Answer:
merocrine, sebaceous, and apocrineExplanation:
Merocrine: merocrine sweat glands are widely distributed across the body surface,
Sebaceous glands are located where hair follicles have existed,
apocrine sweat glands are found only in a few areas like axilla. Apocrine -are restricted to specific areas like the axilla, nipple of the breast, pubic region and around the anus area etc.
Two short tail cats are bred together. They produce three kittens with long tails, five short tails. From these results, how do you think tail length in these cats are inherited?
The complete question is as follows:
Two short-tailed (Manx) cats are bred together. They produce three kittens with long tails, five short tails, and two without any tails. From these result, how do you think tail length I’m these cats are inherited? Show the genotypes for both the parents and the offspring to support your answer.
Answer: Incomplete dominance
Explanation:
The incomplete dominance is a kind of intermediate inheritance in this one allele responsible for the expression of a particular trait is not completely expressed. As a result of this an intermediate phenotype get expressed in the physical trait, which is a combination of the phenotypes of both type of alleles.
Manx cat is indicating towards the incomplete dominance in this the kitten can be born with the full length, short length tails or even without the tails.
If the genotype of the parent is heterozygous (Tt) then kittens are expected to have genotypes like TT ( long tail) Tt ( short tail) tt ( no tail).
Thus the kitten can be short length, long tailed and they can be without tail.
When constructing a Punnett square, the symbols on the outside of the boxes represent _______, while those inside the boxes represent _______. When constructing a Punnett square, the symbols on the outside of the boxes represent _______, while those inside the boxes represent _______. gametes, progeny parents, gametes gametes, parents progeny, gametes
Answer:
Gametes, progeny.Explanation:
Punnett square is used to analyse the genotypes of a particular cross. The symbols in Punnett square on the outside of the boxes represent gametes.
The symbols in Punnett square those inside the boxes represent progeny.
Punnett square named due to Reginald C. Punnett, who invented this square.
This square diagram is mainly used to determine the probability of an offspring having a particular genotype or traits.
In a Punnett square, symbols on the outside represent parental gametes, while those inside represent the potential genetic combinations in the offspring. This system helps predict the genotypes and phenotypes of offspring in a genetic cross.
Explanation:When constructing a Punnett square, the symbols on the outside of the boxes represent the gametes from each parent, while those inside the boxes represent the possible genetic combinations in the progeny or offspring. A Punnett square is a simple and visual way to predict the types of genetic traits an offspring might inherit from its parents. Given each parent's genotypes, the top and side of the square are marked with possible gametes, derived from the law of segregation. The boxes inside the grid are then filled with possible genotypes of progeny, and hence, it predicts the genotypes and phenotypes of resulting offspring in a cross.
A practical example could be: Suppose we have a parent with genotype Rr (R being the dominant allele for red, r being the recessive allele for white). This parent could produce gametes carrying either R or r. If this parent crosses with another same genotype parent (Rr), a Punnett square would be constructed, producing the progeny genotype RR, Rr, rR, or rr.
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Plants need oxygen because a the earth’s atmosphere contains too much oxygen and too little carbon dioxide. b oxygen is consumed during photosynthesis to make carbon-containing organic molecules. c they carry out cellular respiration just like all other aerobic organisms. d none of the above
Answer:
c they carry out cellular respiration just like all other aerobic organisms.
Explanation:
Oxygen, for plants, is essential because it makes the process of respiration more efficient (known as aerobic respiration).
the flaking off of the outside of a rock is called
Answer:
exfoliation
Explanation:
this process of exfoliation takes place due to thermal stresses developed in the rock causing cracks in the materials and then making the outside layer of the rock appear to be peeled off.
Answer:
exfoliation.
Explanation:
Which of the following events could cause a trisomy in a diploid zygote?
A)The cell membrane does not divide at the end of telophase II.
B)Two sister chromatids remain joined during meiosis II.
C)All the answers are correct.
D)The chromosomes do not condense at the beginning of meiosis I.
A trisomy occurs when two sister chromatids fail to separate during meiosis II, leading to a gamete with an extra chromosome and upon fertilization results in a zygote with a trisomy condition.
Explanation:The event that could cause a trisomy in a diploid zygote is when two sister chromatids remain joined during meiosis II. This event is known as nondisjunction, which typically occurs if the sister chromatids do not separate properly during meiosis II. As a result, one of the gametes ends up with an extra chromosome (n+1), and when this gamete fuses with another during fertilization, it leads to the formation of a zygote with an extra chromosome, resulting in a trisomy condition.
_____ consists of long, cylindrical, striated fibers with multiple nuclei located at the periphery of the fiber.
Answer: skeletal muscles cells
Explanation: Skeletal muscle cells are elongated or tubular. The cells are striated and multinucleated they appear as long, unbranched cylinders. They have multiple nuclei which are located on the periphery of the cell.
Skeletal muscle is basically voluntary and it responds to conscious stimuli.
Answer:
Skeletal muscle
Explanation:
*Skeletal muscle* is the most abundant tissue in the vertebrae body. These muscles bring about the movement of the various bones of the skeleton, hence the name "Skeletal muscle ".The whole muscle ,such as the biceps, is enclosed in a sheath of connective tissue,the *Epimysium*. This sheath folds inwards into the substance of the muscle to surround a large number of smaller bundles,the fasciculi. These fasciculi consist of still smaller bundles of elongated, *cylindrical muscle cells*, the fibres. Each fibre is a syncytium i.e,a cell that *has many nuclei*. The nuclei are oval in shape and *found at the periphery of the cell*, just beneath the thin, elastic membrane (sarcolemma). The sarcoplasm has many alternating light and dark bands, giving the fibre a striped or *striated appearance (hence the name striated muscle*.
FUNCTIONS OF THE SKELETAL MUSCLE
1)Skeletal muscles *function in pairs to bring about co-ordinated movements of the limbs, trunk, jaws,eyeballs*, e.t.c.
2)Skeletal muscles are *directly involved in the breathing process*.
Therefore, the Skeletal muscle tissue consists of long, cylindrical, striated fibres with multiple nuclei located at the periphery of the fiber/cell.
If you consistently build your diet by choosing mostly nutrient-dense foods, you may be able to meet your nutrient needs without using your full calorie allowance. In this case, the balance of calories is called your ____.
Explanation:
Discretionary calories are overabundance calories to appreciate once your necessary supplement needs are met. They can be utilized toward higher-fat types of nourishments like milk, cheddar and meat, and high-fat and sugary fixings, for example, margarine, sauce, sugar, and syrup. Discretionary calories can likewise tally toward pop, treats, and liquorOn the off chance that none of these nourishments sound alluring, they can even be utilized for extra servings of your preferred solid food sourcesThe structure and function of _______ directly determine the structure and function of organs and organ systems.
Answer:
organism
Explanation:
organism are the highest point of cell organization followed by organs and organ systems
What is not a contribution of the cardiovascular system to other body systems?
OPTIONS:
a) Blood delivers calcium and phosphate ions that are needed for building bone extracellular matrix.
b) Blood carries carbon dioxide to body tissues and removes oxygen for use by other organs.
c) Blood carries newly absorbed nutrients and water to the liver.
d) Blood circulates cells and chemicals that carry out immune functions.
e) Blood delivers clotting factors and WBCs that aid in hemostasis when skin is damaged
Answer:
b) Blood carries carbon dioxide to body tissues and removes oxygen for use by other organs.
Explanation:
Options a, c, d, e are all true statements about the contributions of the cardiovascular system to other body systems except option b which states that “Blood carries carbon dioxide to body tissues and removes oxygen for use by other organs”.
Actually, the cardiovascular system works together with the respiratory system to supply oxygen to body tissues as blood is circulated in the body, while carbon dioxide is removed from the body at the lungs. In order words, carbon dioxide is removed, while oxygen is picked up as blood is transported through the capillaries of the lungs.
One similarity between cell receptors and antibodies is that both
Answer: they are specific in action
Explanation: The similarity between cell receptors and antibodies is that both are specific in action. They bind to their specific targets.
These targets can be determined by the shape of the receptor or the antibody. shape of a protein has a profound effect on its functions
A young animal has never had much energy. He is brought to a veterinarian for help and is sent to the animal hospital for some tests. There they discover his mitochondria can use only fatty acids and amino acids for respiration, and his cells produce more lactate than normal. Of the following, which is the best explanation of his condition?
A) His mitochondria lack the transport protein that moves pyruvate across the outer mitochondrial membrane. B) His cells cannot move NADH from glycolysis into the mitochondria. C) His cells contain something that inhibits oxygen use in his mitochondriaD) His cells lack the enzyme in glycolysis that forms pyruvate.
Answer:
A. His mitochondria lack the transport protein that moves pyruvate across the outer mitochondrial membrane.
Explanation:
Pyruvate is from the breakdown of carbohydrates such as glucose through glycolysis. Glucose enters the cytosol through specific transporters (the GLUT family) and is processed by one of several pathways depending on cellular requirements. Glycolysis occurs in the cytosol and produces a limited amount of ATP, but the end product is two 3-carbon molecules of pyruvate, which maybe diverted again into many pathways depending on the requirements of the cell. In aerobic conditions, pyruvate is primarily transported into the mitochondrial matrix and converted to acetyl-coenzyme A (acetyl-CoA) and carbon dioxide by the pyruvate dehydrogenase complex (PDC).
Initially it was proposed that pyruvate was able to cross the membrane in its undissociated (acid) form but evaluation of its biochemical properties show that it is largely in its ionic form within the cell and should therefore require a transporter.
Transport of pyruvate across the outer mitochondrial membrane appears to be easily accomplished via large non-selective channels such as voltage-dependent anion channels/porin, which enable passive diffusion. Indeed, deficiencies in these channels have been suggested to block pyruvate metabolism
The nuclear lamina is an array of filaments on the inner side of the nuclear membrane. If a method were found that could cause the lamina to fall into disarray, what would you expect to be the most likely consequence? A) the loss of all nuclear function B) the inability of the nucleus to divide during cell division C) a change in the shape of the nucleus D) failure of chromosomes to carry genetic information E) inability of the nucleus to keep out destructive chemicals
Answer:
C) a change in the shape of the nucleusExplanation:
Nuclear lamina is made up of intermediate filaments and proteins, it is present under the inner nuclear membrane.
It's thickness is approximately 30 to 100 nm thick,
It functions are to maintain nuclear stability, bind nuclear pore complexes (NPCs), organize chromatin and many others .
If we cause the lamina to fall into disarray a change in the shape of the nucleus occurs.
Match the following words with the appropriate definition. achromatic logophile autophagy multiparous anthropometry A. The measurement of the human body. B. Giving birth to more than one offspring at a time. C. One who loves words. D. The drawing of nourishment by the body from its own tissue. E. Lacking color.
The terms achromatic, logophile, autophagy, multiparous, and anthropometry match definitions E, C, D, B, and A, respectively. Humans are both heterotrophs and omnivores.
Explanation:The terms achromatic, logophile, autophagy, multiparous, and anthropometry can be matched with their definitions as follows:
Achromatic refers to something that is lacking color (E).Logophile is someone who is a lover of words (C).Autophagy is the process by which the body consumes its own tissue, described as the drawing of nourishment by the body from its own tissue (D).Multiparous describes an individual that is capable of giving birth to more than one offspring at a time (B).Anthropometry is the measurement of the human body (A).Regarding the terms related to dietary habits and trophic levels:
Humans are classified as heterotrophs because they acquire nutrients by consuming organic substances from other organisms.They are also considered omnivores because their diet includes both plant and animal materials.The data obtained from the meselson–stahl experiment after one generation of replication eliminated the dispersive model of dna replication. True or False
Answer:
FalseExplanation:
Meselson-stahl experiment: The experiment done by Meselson and Stahl demonstrated that DNA replicated semi-conservatively, meaning that each strand in a DNA molecule serves as a template while DNA replication for synthesis of a new, complementary strand.
The conservative model was eliminated because according to it, there would be 2 bands, one representing the parental DNA at one density and other representing the daughter DNA at a different density. The result from the Meselson–Stahl experiment after one generation was consistent with both the semi-conservative as well the dispersive model.
The data from the Meselson-Stahl experiment after one generation of replication supports the semi-conservative model rather than the dispersive model of DNA replication. The dispersive model was eliminated because it predicted a broad band of mixed light and heavy DNA, but the experiment showed a single band of hybrid DNA. The statement is true.
Explanation:The statement that the data obtained from the Meselson–Stahl experiment after one generation of replication eliminated the dispersive model of DNA replication is True.
The Meselson–Stahl experiment was designed to determine the method by which DNA replicates. It did so by incorporating Nitrogen-15, a heavy isotope of nitrogen, into DNA and then monitoring the distribution of this heavy DNA during subsequent replication cycles. After one generation of replication, the results showed a single band of hybrid DNA, refuting the dispersive model which predicted a mix of light and heavy DNA distributed throughout a broad band. This provided strong evidence for the semi-conservative model of DNA replication, in which each of the two strands of the DNA molecule serves as a template for the synthesis of a new, complementary strand.
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NADH is also used by cells when making certain molecules. Based on your knowledge of the role of NADH in cellular respiration, what do you think NADH's role is in biosynthesis of molecules?1. Oxidising molecules2. Phosphorylating molecules3. Dehydrating molecules4. Reducing molecules
Answer:
2. Phosphorylating molecules
Explanation:
NADH and NADPH are coenzymes resulting from the reduction of NAD⁺ and NADP⁺ (through electron transfer).
Although NADH and NADPH are almost identical in structure, they have different functions.
NADH uses free energy from oxidation of metabolites to synthesize ATP (oxidative phosphorylation), while NADPH uses energy for reducing biosynthesis of fatty acids, cholesterol and other substances.
Answer:
4. Reducing molecules
Explanation:
NADH is a cofactor and is short for nicotinamide adenine dinucleotide. That is critical in cellular respiration since it accepts and donates electrons to facilitate redox reactions. During many of these cell cycles the biosynthesis of molecules often involve NADH which is oxidised to NAD+. NADH is an electron donor as well. In these cases it acts as a reducing agent to other molecules.
Mary is an adolescent who currently has a small pimple on her cheek that is causing her to be overly self-conscious. She is convinced that everyone she meets stares at and talks about her pimple. Mary's behavior exhibits __________. a sense of idealism imaginary audience personal fable puberty
Answer:
imaginary audience
Explanation:
Imaginary audience is a state in which an individual, most especially growing adolescent, are preoccupied with excessive and exaggerated belief and thought that they are the main focus of other people’s attention, and as such become worried unnecessarily and overtly self-conscious. The individual often feels they are the center focus of discussion of other people.
Answer:
Mary's behavior exhibits puberty
Explanation:
Puberty is the maturation of a child into an adult capable of reproduction, characterized by changes in physical appearances initiated by the hormones of the gonads. Among other signs, increased self consciousness is a characteristic of puberty especially in females, because, the changes in the body occurs at a rapid rate that the mind is not fully prepared for most times, making her overly conscious of herself. Other signs include, breast development, elongation of bones, development of external genitalia, etc.
Why are regions called promoters essential to rna transcription
Answer:
Because the promoter region is initiation sites for transcription to occur.
Explanation:
Transcription is the first process of gene expression in both eukaryotic and prokaryotic cells. Transcription involves the synthesis of a complementary RNA strand from a DNA template. It is carried out by an enzyme called RNA polymerase which binds to the DNA molecule and adds nucleotides based on the sequence it reads on the DNA.
On the DNA molecule, are sequences of nucleotides which the RNA polymerase recognizes and binds to in order for the transcriptional process to start. These sequences are called PROMOTER regions. They are located upstream i.e. after initiation site, of the DNA. Without these promoter region, RNA polymerase cannot bind to the DNA molecule and hence transcription cannot occur.
If a meal supplies 110 g of carbohydrates, 25 g of protein, 20 g of fat, and the equivalent of 5 g of alcohol, what % of the kcalories comes from carbohydrate
Carbohydrates account for about 58.28% of the total calories in a meal.
You can use the following steps to determine what portion of a calorie is made up of carbohydrates:
Carbohydrates provide 4 calories per gram.Proteins also provide 4 calories per gram.Fats provide 9 calories per gram.Alcohol provides 7 calories per gram.Given the nutrient values:
Carbohydrates: 110 gProtein: 25 gFat: 20 gAlcohol equivalent: 5 gCalculate the calories from each nutrient:
Carbohydrates: 110 g * 4 calories/g = 440 calories
Protein: 25 g * 4 calories/g = 100 calories
Fat: 20 g * 9 calories/g = 180 calories
Alcohol: 5 g * 7 calories/g = 35 calories
Total calories: 440 + 100 + 180 + 35 = 755 calories
We will calculate the percentage of calories from carbohydrates:
Percentage from carbohydrates = (Calories from carbohydrates / Total calories) * 100
Percentage from carbohydrates = (440 / 755) * 100 ≈ 58.28%
Therefore, Carbohydrates account for about 58.28% of the total calories in a meal.
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Approximately 48.44% of the kcalories in the meal come from carbohydrates.
To calculate the percentage of kcalories that come from carbohydrates, you need to know the calorie content of each macronutrient. In this case, we can assume that there are 4 kcal per gram of carbohydrate. So, the total kcal from carbohydrate is 110 g * 4 kcal/g = 440 kcal.
To find the percentage, we divide this by the total kcal of the meal and multiply by 100: (440 kcal / (440 kcal + 25 g * 4 kcal/g + 20 g * 9 kcal/g + 5 g * 7 kcal/g)) * 100% = 48.44%. Therefore, approximately 48.44% of the kcalories in the meal come from carbohydrates.
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Whichregion of the ear contains the opening of a canal that equalizes pressure in the middle ear
Answer:
ear drum
Explanation:
Edema occurs when____________
A) areolar tissue soaks up excess fluid in an inflamed area
B) reticular connective tissue invades the area
C) collagen fibers enlarge as they change from dehydrated to hydrated shape
D) adipose cells enlarge by pinocytosis
Answer:
A) areolar tissue soaks up excess fluid in an inflamed area
Explanation:
Areolar tissue is found around blood vessels, muscles, nerve bundles. Edema which is also a part of inflammation occurs when blood capillaries of blood vessels leak the fluid and is soaked by areolar tissue. So excess fluid in these tissue cause swelling of that part.
Edema is one type of defense reaction to the cell injury. With fluid white blood cells and defense proteins move in the area and counter the infectious agent of injury and helps in eliminating the injurious factor. So the correct answer is A.
__________ is the preference for using either the right or left hand in gross or fine motor activities.
Answer:
hand dominance
Explanation:
This includes activities like writing, cutting, and catching and throwing a ball. Parents should be cautioned about trying to switch their child from one dominant hand to another.
Who was the general in charge of the vimy ridge campaign in 1917?
Answer:
British First Army commander General Henry Horne approved the plan on 5 March 1917. The plan divided the Canadian Corps advance into four coloured objective lines.
By 1917, Canadians had been fighting for two years. The raw levies that held the Germans off at Ypres in April 1915 now were experienced soldiers. But the key to the success at Vimy came when Byng sent General Arthur Currie of the First Canadian Division to study the methods of the French.
The Battle of Vimy Ridge, 9-12 April 1917. Many historians and writers consider the Canadian victory at Vimy a defining moment for Canada, when the country emerged from under the shadow of Britain and felt capable of greatness. ... But it was a victory at a terrible cost, with more than 10,000 killed and wounded.
Explanation:
A true-breeding plant that produces yellow seeds is crossed with a true-breeding plant that produces green seeds. All of the seeds of all of the offspring are yellow. Why
Since the offspring seeds are yellow this means that the yellow allele is dominant to the green allele.
The fish Astyanax mexicanus has populations in surface lakes and in caves. Cave populations lose their eyes through degeneration and are unpigmented, while surface populations have normal eyes and pigment. The two groups can form hybrids when mated in the laboratory, but rarely interact in the wild. This is an example of a species currently undergoing hybridization.
A: hybridization.
B: immigration.
C: allopatric speciation.
D: sympatric speciation.
Answer:
C: allopatric speciation.
Explanation:
Allopatric speciation occurs because a given group has been separated from a parent group, usually because of geographic separation as time goes by. Gene flow is interupted when a population is divideed into geographically isolated subpopulations. It is also referred as geographic speciation.
Extrisic factors-as great distance or a physicl barier prevents two or moe groups from mating.
Various geographical changes can arise such as montains, islands, bodies of water or glaciers.
AS in the above scenario, This is an example of allopatric speciation.
The wall of the __________ is much thicker than any other chamber in the heart, which allows for stronger contractions to pump blood through the systemic circulation.
Answer:
The ventricles.
Explanation:d
The heart ventricles have thicker muscular walls than that of the arteries. With a lot of pressure, the left ventricle pumps blood through the body system while the right ventricle pumps blood to the lungs.
Reset Hemopoiesis occurs in ____________ of certain bones. The process of hemopoiesis starts with hemopoietic stem cells called ____________ . They produce two different lines for blood cell development: The ____________ forms (1) erythrocytes, (2) all leukocytes except lymphocytes, and (3) megakaryocytes. The ____________ forms only lymphocytes. The maturation and division of hemopoietic stem cells is influenced by ____________ . These molecules are all growth factors.
Hemopoiesis occurs in the red marrow of bones, starting with hemocytoblasts. These produce the myeloid line (forming erythrocytes, all leukocytes except lymphocytes, and megakaryocytes) and the lymphoid line (forming only lymphocytes). The process is guided by colony-stimulating factors.
Explanation:Hemopoiesis, also known as hematopoiesis, occurs in the red marrow of certain bones. This process begins with hemopoietic stem cells known as hemocytoblasts. These produce two different lines for blood cell development. The myeloid line forms multiple cells including (1) erythrocytes, (2) all leukocytes except lymphocytes, and (3) megakaryocytes. The lymphoid line produces only lymphocytes. The growth, maturation, and division of hemopoietic stem cells are influenced by colony-stimulating factors, which are essentially growth factors for cells. Therefore, hemopoiesis is a critical process for the constant regeneration and maintenance of our blood cells.
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Hemopoiesis occurs in the red bone marrow of certain bones. The process involves hematopoietic stem cells that produce different lines for blood cell development. Growth factors influence the division and maturation of hematopoietic stem cells.
Explanation:Hemopoiesis occurs in the red bone marrow of certain bones. The process starts with hematopoietic stem cells. These cells produce two different lines for blood cell development: the myeloid line forms erythrocytes, all leukocytes except lymphocytes, and megakaryocytes; while the lymphoid line forms only lymphocytes. The maturation and division of hematopoietic stem cells are influenced by hemopoietic growth factors, which are molecules called growth factors.
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Fiber has been recommended in the diet for its possible benefits in reducing heart disease by lowering blood cholesterol. How is fiber thought to play its role in lowering blood cholesterol?
Answer: fiber play an important role in lowering blood cholesterol by binding to cholesterol particles in the small intestines. Thus, preventing cholesterol to pass into the bloodstream. The indigestible fiber together with cholesterol pass out through the feces.
Explanation:
Fiber is a plant derived food that cannot be completely broken down by digestive enzymes in human body. Fiber aids proper bowel functions, improves heart health and function. They are of two types:
Soluble fiber
Insoluble fiber.
The soluble fiber is know to lower blood cholesterol. It can dissolve in water and create a gel-like uniformity in the digestive track. Researches have shown that taking ten to twenty-five grams soluble fiber per day can lower cholesterol by 18%. The soluble fiber bind cholesterol and prevent it from moving into the blood and circulating to other parts of the body and then, ejected out in feces.
The maximum number of grams of fat (F) that should be in a diet varies directly as a person's weight (W). A person weighing 99 lb should have no more than 66 g of fat per day. What is the maximum daily fat intake for a person weighing 117 lb?
Answer:
The maximum daily fat intake for a person weighing 117 lb is 78 g.
Explanation:
Fat is a macronutrient which acts as an energy source for the body. It helps in the regulation of hormones and genes, absorption of fat-soluble vitamins such as vitamins A, D, E and K, and maintains brain health.
The maximum daily fat (F) intake varies directly as a person's weight (W). So we can conclude that the weight of a person, W is 'k' times the maximum daily fat intake, F where k is a constant.
In the question, it is given that a person weighing 99 lb should have no more than 66 g of fat per day. Here, W = 99 lb and F = 66 g.
so, [tex]W = k * F[/tex] ............................. (1)
i.e., [tex]99 = k * 66[/tex]
therefore, [tex]k = 99/66[/tex]
[tex]= 1.5[/tex]
From equations (1), the maximum daily fat intake (F) for a person having weight, W = 117 lb can be written as;
[tex]117 = k*F[/tex], where [tex]k = 1.5[/tex]
i.e., [tex]117 = 1.5 * F[/tex]
therefore, [tex]F = 117/1.5[/tex]
[tex]= 78[/tex]
Thus, the maximum daily fat intake for a person weighing 117 lb is 78 g.
The maximum daily fat intake for a person weighing 117 lb is: [tex]\[ {78} \, \text{grams} \][/tex]
To find the maximum daily fat intake for a person weighing 117 lb, we can use the concept of direct variation. Direct variation means that if one quantity varies directly as another, they can be related by a constant of proportionality.
In this case, we have:
F = kW
where F is the grams of fat, W is the weight in pounds, and k is the constant of proportionality.
Given that a person weighing 99 lb should have no more than 66 g of fat per day, we can set up the equation:
[tex]\[ 66 = k \cdot 99 \][/tex]
Solving for k :
[tex]\[ k = \frac{66}{99} = \frac{2}{3} \][/tex]
Now, we need to find the maximum daily fat intake for a person weighing 117 lb. We use the same relationship:
[tex]\[ F = kW \][/tex]
Substitute [tex]\( k = \frac{2}{3} \) and \( W = 117 \):[/tex]
[tex]\[ F = \frac{2}{3} \cdot 117 \][/tex]
Calculate F :
[tex]\[ F = \frac{2}{3} \times 117 = 78 \][/tex]
Therefore, the maximum daily fat intake for a person weighing 117 lb is:
[tex]\[ \boxed{78} \, \text{grams} \][/tex]
Trauma to the anterior pituitary caused secondary hyposecretion of thyroid-stimulating hormone (TSH). What would you expect to happen to the levels of thyroid-releasing hormone (TRH) and thyroid hormones (TH)?
Answer:
TRH level will increase and the TH level will decrease.
Explanation:
The thyroid gland produces two forms of hormones known as the T3 and T4. The thyroid secretion is controlled by the secretion from the anterior pituitary gland which is also controlled by the hypothalamus therefore a loop is formed especially negative loop.
The thyroid secretion regulates the secretion of the thyroid releasing hormones which release the thyroid-stimulating hormone from the thyroid.
If a tumour occurs in the anterior pituitary gland then the thyroid secretion will be decreased that is TH will be decreased. The deceased TH will not be able to inhibit the secretion of TRH as a result of which the TRH level increases.
Thus, TRH level will increase and the TH level will decrease.
According to the principle of parsimony, the evolution of the 4-chambered heart should placed birds and mammals in the same clade. Why does the most accepted evolutionary tree show them as separate branches from the reptilian line?
Explain the reason behind the statement " Evolution is not goal or oriented?
The first appearance of free oxygen in the atmosphere triggered a massive wave of extinctions among prokaryotes of the time. Why?
Answer:
The ecological tree is formed after the different beings are well arranged on the basis of there basic characteristics and taxonomic level inside the region or environment giving rise to a more unique branch of the enormous structure of the taxonomic order.As, the different organisms have there own unique structural, mental and morphological characteristics on basis of which the different branches and kinds of the species are either placed inside the same category or either they are placed inside a more different groups of organisms.However, the different organisms when generalized and evaluated inside the different taxonomic order can be termed to be less of a issues these days because we know more of these animals then we did in the past. Evolution as we say occurs more spontaneously then ever, as the different beings experience the requirement for the resources and the shelter to live in a more proper way inside a given region.While, we can never term the idea of evolution to be more objectified by any company or individuals, as it can not occur on our will as the process takes generations to happen and more spontaneous then ever. The amount of Oxygen inside the atmosphere is more crucial for the different beings and play the most pivotal role in the development of the cell structure, as the prokaryotic cellular structures did not end or faced extinction but it was then when after the symbiotic association between the different organelles resulted in the formation of much bigger and more complicated form of cellular structures, which are called as the eukaryotes.