the answer is the first option
' the daughter cell has one half the number of chromosomes of the parent cell'
The animals found in australia who carry their young in pouches are collectively known as _______________.
The animals found in australia who carry their young in pouches are collectively known as marsupials .
Answer: marsupials
What is the first thing to occur in dna replication?
Which of the following substances contain nucleotides made up of a sugar, phosphate, and a nitrogen base?
DNA
RNA
Both DNA and RNA
Neither DNA nor RNA
Which of the following is single-stranded, found throughout the cell, and has the bases A, C, U, and G?
DNA
RNA
Both DNA and RNA
Neither DNA nor RNA
The sequence of amino acids effects which of the following
the amount of cytoplasm
the number of proteins
the size of the ribosomes
the shape of the protein
Answer:
i) The substances that nucleotides that are made up of sugar, phosphates and a nitrogen base are both DNA and RNA. Both are composed of a carbon ringed structure that is a sugar base with the only difference of -OH group that is absent in DNA and present in RNA, to this carbon ring phosphate diester bond helps in the attachment of nucleotide monomers, and nitrogenous base is attached to the ring at one of the carbon.
ii) RNA is single-stranded structure that is found thought the cell and has bases A, C, U and G. It can't be DNA, because DNA is double stranded helix with adenine, guanine, cytosine and thymine as their bases uracil is not present in DNA. The sugar of DNA lacks the hydroxyl group at 2' position of carbon atom. Both DNA and RNA has a base of a sugar, to which one of the four nitrogenous base is attached and one or two phosphate groups are attached.
iii) The shape of protein is effected by the sequence of amino acids. As through the central dogma of transcription and translation lead to the formation of proteins, any change in the gene would mislead to the production of transcript RNA, this mutated RNA will result in the formation of mutated proteins with change in one or more amino acids. Change in a single amino acid will lead to change in the shape or structure of protein that would ultimately change the function of that protein.
please help
The cell membrane is important for maintaining ___________ because it controls what enters and leaves the cell.
shape
homeostasis
temperature
pressure
Answer: Homeostasis
Remember homeostasis is the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. The cell membrane is providing an equilibrium inside and outside the cell. Hope this helped :)
What is the correct order of processes involving the movement of oxygen from the environment to mitochondria in vertebrates?
Answer:
a.) ventilation, circulation, cellular respiration
Explanation:
a.) ventilation, circulation, cellular respiration
b.) diffusion in tissues, cellular respiration, diffusion at respiratory surface
c.) ventilation, diffusion in tissues, circulation
d.) circulation, cellular respiration, diffusion in tissues
e.) circulation, ventilation, cellular respiration
Ventilation occurs in the lungs and is the process by which carbon dioxide in the capillaries is lost to the environment while oxygen is taken in. Circulation is the process by which this dissolved oxygen is taken by the blood to tissues around the body. When this oxygen is taken to tissue, the concentration gradient allows the oxygen to be taken up by tissue. This oxygen is used as an electron acceptor (when it reduced to water) in the mitochondria during electron transport chain of cellular respiration.
Which of the following parts in the human body cannot be infected by a virus? a) none of the above, as they can all be infected by virusesb) blood cellsc) braind) skeletal muscle
a) none of the above, as they can all be infected by viruses.
The mating strategy in which a female mates with multiple males is
Answer to this is Polygamy
Which polysaccharide is an important component in the structure of many animals and fungi?
a. amylopectin
b. chitin
c. cellulose
d. amylose?
B. Chitin
that' because both animals and fungus are eukaryotic and heterotrophic, so they share same characterstics in terms of feeding and cellular structure. In addition to both share the same protist supergroup, which is (Unikonta).
Chitin is the polysaccharide that is significant in the structure of many animals and fungi, functioning mainly as a protective and supportive component in arthropods and fungi.
Option B is correct
Explanation:The polysaccharide that functions as a crucial component in the structure of many animals and fungi is chitin. This polysaccharide is mainly found in the exoskeleton of arthropods like insects, crabs, and spiders, as well as in the cell walls of fungi. Unlike the other polysaccharides mentioned in the options, chitin has a structural role in nature, helping to provide protection and support.
In contrast, amylopectin and amylose are both components of starch, a polysaccharide used by plants for energy storage. Cellulose, on the other hand, is a polysaccharide found in the cell walls of plants, helping to maintain their structure.
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A diagnosis of one type of cardiovascular disease does not necessarily indicate risk for another type true or false
Answer:
True
Explanation:
There are several cardiovascular issues which are caused due to varied reasons. Hence it is very essential to conduct different diagnosis to determine the exact cause of problem.
For instance -
Abnormal Heart Rhythms causes slowing or fastening of heart beat. There is no physical damage of any of the substructures of heart but there is lack in neural co-ordination.
On the other hand Aorta Disease and Marfan syndrome are caused due to widening or tearing of aorta.
Cardiomyopathy is the problem associated with heart muscle.
Different heart diseases are due to different factors and hence there must be individual diagnosis methods for all the cardiovascular issues.
Hence, the given statement is true
Considering the wavelengths of light shown below, the pigments in the granum absorb mainly in which range?
A. green, which is why plants are green
B. the infrared
C. the entire spectrum of white light
D. blue-violet and red-orange
Answer:
D. blue-violet and red-orange
Explanation:
The light reactions of photosynthesis use only certain wavelengths of visible light.
Light absorbing molecules known as pigments in the membranes of a granum absorb mainly in blue-violet and red-orange wavelengths. We do not see these absorbed wavelengths. What we see when we look at a leaf are the green wavelengths that the pigments transmit and reflect.
The pigments in the granum primarily absorb light in the blue-violet and red-orange range. Chlorophylls A and B are responsible for this absorption, which excludes green wavelengths, making plants appear green. The correct answer is D. blue-violet and red-orange.
The pigments in the granum, specifically chlorophyll A and chlorophyll B, absorb mainly in the blue-violet and red-orange range of the spectrum. These pigments are responsible for capturing the light energy used in photosynthesis. Chlorophyll A absorbs light with wavelengths in the range of 430 nm to 660 nm, while Chlorophyll B absorbs light with wavelengths in the range of 450 nm to 640 nm. Since these pigments do not absorb light in the green wavelength range (500-600nm), green light is reflected, which is why plants appear green to us. Therefore, the accurate answer to the student's question is D. blue-violet and red-orange.
Consuela is an overweight young woman who wants to lose 10 pounds. the most reliable and safe way for her to lose this weight is to ________.
the most reliable and safe way for her to lose this weight is to decrease her usual daily energy intake
The most reliable and safe way for Consuela to lose 10 pounds is by combining a reduced-calorie diet with regular physical activity, aiming to lose about 1/2 to 2 pounds per week and avoiding programs that promise unrealistic quick fixes.
The goal should be to lose about 1/2 to 2 pounds per week. This can be achieved by making healthy food choices, eating smaller portions, and building exercise into daily life.
For example, one might start tracking their calories every day and reducing their calorie intake by 10% each week. It's also beneficial to set realistic exercise goals, such as engaging in moderate-intensity aerobic activity for an hour a day, 5 days a week. Regular checking of body weight can help adjust the level of activity and caloric intake to find a balance that promotes steady weight loss. It is important to avoid programs that promise quick fixes like losing weight without diet or exercise, eating as much as you want, or rapid weight loss. These are often not sustainable and can even be harmful. Instead, focus on lifestyle changes that can be maintained over the long term for better health outcomes.
One function of _____ tissue is to hold organs and other tissue in place. epithelial connective nervous muscular
Answer:
connective
Explanation:
a key term is "connect" it hold it together with this
hope this helps : )
Connective tissue is the correct answer
Which of the following statements about aldosterone is NOT correct?
A. Aldosterone increases the number of passive sodium channels in the luminal membrane of the distal tubule and collecting duct, thus aiding sodium reabsorption.
B. Aldosterone is produced in the adrenal cortex.
C. Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.
D. Aldosterone is stimulated by decreased plasma sodium levels and increased plasma potassium levels.
Answer:
C. Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.
Explanation:
Aldosterone hormone is produced by the adrenal gland and mainly carries out its functions in the kidney.Through the aldosterone hormone the body is able to retain more water for the kidney is able to hold more sodium.When the plasma sodium levels decrease and the plasma potassium levels increase the production of aldosterone hormone is stimulated for sodium is needed in the .body to maintain the high water levels in the body.The incorrect statement about aldosterone is C. Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule. Aldosterone works primarily in the distal tubules and collecting ducts, not the proximal tubule.
Explanation:The statement about aldosterone that is NOT correct is: C. Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule. This is incorrect because aldosterone increases the reabsorption of sodium primarily in the distal tubules and collecting ducts of the nephron, not the proximal tubule. Its impact is through the upregulation of sodium channels and pumps at these locations, facilitating more sodium to be reabsorbed back into the bloodstream to increase sodium and water retention, and therefore increase blood volume and blood pressure. It is produced in the adrenal cortex (Statement B is correct), and is indeed stimulated by decreased plasma sodium levels and increased plasma potassium levels (Statement D is correct).
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In which direction does Earth rotate?
eastward around its axis
in an ellipse around the Sun
counterclockwise around the Sun
from north to south around its axis
What force acts between Earth and the moon?
gravity
mass
motion
newtons
Answer:
The answer is its eastward around its axis
Explanation:
The American Chestnut was the predominant tree in American forests until the 1900s when a fungal pathogen was brought to the United States. This pathogen, known as Chestnut blight, destroyed nearly all of the chestnut trees across the country. Now hickories, oaks, and maples are more prominent in mature forests across the US. Which explanation best depicts the occurrences in American forests in the United States?
Answer: Graph C?
Explanation:
Answer: B - Graph B
Explanation: Since the population of oak trees are significantly reduced and the oaks produce the major food source for the squirrels (acorns), the squirrel population will decrease.
What is the gel-like fluid that fills the cell and surrounds the organelles?
Chloroplast
Cytoplasm
Mitochondria
Ribosome
Answer:
Cytoplasm!!
Explanation:
The gel-like substance that fills a cell and surrounds the organelles is known as the cytoplasm. It primarily contains water, along with various molecules and ions required for cellular activities, housing the organelles within it.
Explanation:The gel-like fluid that fills the cell and surrounds the organelles is called the cytoplasm. The cytoplasm is majorly made up of water and also contains various molecules and ions needed for the cell functions. Organelles such as the mitochondria, ribosomes, and others, are suspended in the cytoplasm and perform their functions there. It's important to note that cytoplasm is not one of the organelles, but the medium in which they reside and operate. Therefore, the cytoplasm is popularly described as the 'backdrop' or 'stage' upon which the 'actors' (organelles) carry out their roles.
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A group of scientists believe that global warming is an irreversible process. Another group of scientists feel that human intervention can reverse the global warming process. Which of these is the most likely outcome of differences in opinions of scientists on the issue of global warming?
All old ideas would be discarded.
Scientific evidence would be weakened.
New ideas would be created and tested.
The limitations of science would be evident.
Answer:
C
Explanation:
Whenever researchers have conflicting opinions, they test their own hypothesis first to ensure it is possible. If neither options are possible then they simply create new ones.
Answer:
The correct answer will be option-New ideas would be created and tested.
Explanation:
The scientists use the scientific method to answer and explain any scientific question based on observations. These explanations must be verified with the peer review fellow scientists on the basis of which a consensus is established.
If two group of scientists on the same issue proposes different or contradictory explanations, then the groups should form new hypothesis to explain the phenomenon.
In the given question, the opinions of the two groups on global warming disagree with each other's explanations. These issues should be handled by forming a new hypothesis which could be tested again to reach a conclusion.
Thus, the selected option is the correct answer.
Which does not increase blood pressure? increased venous return. increased total blood vessel length. increased heart rate. increased parasympathetic impulses. decreased blood vessel radius?
Answer:
The answer is definitely increase heart rate
Explanation:
A zebra mussel is discovered in a lake in Pennsylvania for the first time. Why would this make an ecologist worried?
A. Zebra mussels need to live in hot-water environments.
B. Zebra mussels are vulnerable to many predators in that lake.
C. Zebra mussels need to live in salt-water environments and it will hurt the organism.
D. Zebra mussels are an invasive species that can completely disrupt an ecosystem
Answer:
D
Explanation:
Zebra mussels can be a nuisance in novel ecosystems. When introduced in a non-native ecosystem with no natural predators, they reproduce rapidly displacing native mussels. Zebra mussels take up much of the algar that feeds the other native species hence starving them to death and causing their numbers to plummet. In addition, they attach to the other mussels and clog up power plants, that use the local water, water intakes.
Answer:
D. Zebra mussels are an invasive species that can completely disrupt an ecosystem
Explanation:
How do limiting factors impact local ecosystems?Limiting factors prevent populations in ecosystems from growing any larger. If any of the limiting factors change, animal and plant populations change, too.Limiting factors do not prevent populations in ecosystems from growing any larger. If any of the limiting factors change, animal and plant populations do not change, too.Limiting factors can never impact ecosystems.As biodiversity of an ecosystem increases, the ability to withstand environmental stress due to the loss of a single species or group also increases, improving the sustainability of the ecosystem.
Answer:
If any of the limiting factors change, animal and plant populations change, too.
Explanation:
it changes it's either it's increasing or the other way around. if it's not favourable organisms leave increasing the population of the other area.
If any of the limiting factors change, animal and plant populations change, too.
Explain how limiting factors change, animal and plant populations change?
it changes it's either it's increasing or the other way around.
if it's not favourable organisms leave increasing the population of the other area.
Thus, option "B" is correct, If any of the limiting factors change, animal and plant populations change, too.
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Recently, ruth has difficulty lifting her feet to climb steps. sometimes her hands tremble when she's drinking her afternoon cup of tea. which neurocognitive disorder is she likely suffering from
Answer:she gon die
Explanation:
causes and effect (climate change)
Answer; green house effect because of the ozone layer deteriorating
Explanation:
Answer:
Climate change refers to the global changes in the climate, that are caused due to the changes that occur in terms of precipitation, wind pattern, surface temperature, and other climatic factors.
It is caused due to the increasing amount of greenhouse gases such as carbon dioxide, water vapor, methane and chlorofluorocarbon in the atmosphere that depletes the ozone layer. These gases are released from vehicles, industries, and factories. Deforestation also leads to an increasing amount of global surface temperature.
The effects of climate change are the increasing and decreasing amount of sea level, global rise and fall of surface temperature, as a result of which the ecosystem at various places are affected significantly.
If an animal had 44 chromosomes in its sex cells, how many chromosomes total will they have?
Answer:
88
Explanation:
Sex cells are usually haploid for chromosome number/ genetic material. Sex cells carry one of the set of alleles of a gene. This means a sex cell has half the number of chromosomes of the autosomal cell. Therefore, in this case, the autosomal cell will have 44 * 2 (=88) number of chromosomes.
Which of the following does NOT occur during the Calvin cycle?carbon fixationconsumption of ATPrelease of oxygenoxidation of NADPHregeneration of the CO2 acceptor
I’m fairly sure it’s the last choice. I hope I was helpful
Which most directly led to the increase in food supply as part of the green revolution?
Answer:
the crossbreeding and genetic engineering of crops, such as wheat, rice, and other grains
Wheat rice and grains
Decomposers break down dead plant and animal materials. What happens next?
Answer:
Decomposers mine them from the dead so that these recycled materials can feed the living. In the carbon cycle, decomposers break down dead material from plants and other organisms and release carbon dioxide into the atmosphere, where it's available to plants for photosynthesis
Explanation:
Answer:
Decomposers as you said break down dead plants and such, after that. The animal or plant turns into recycled materials that feed other organisms. They then release carbon dioxide into the air.
Explanation:
A byproduct of amino acid catabolism in the liver is
Answer:
B. Urea
Explanation:
Urea is a byproduct of amino acid catabolism in the liver.Excess amino acids undergoes the process of deamination in the liver. During the process of deamination, the amino acids are broken down into amine group and a carboxyl group.The amine group is then reduced to ammonia by addition of a hydrogen atom while the carboxyl group or the non-nitrogenous part is converted to fats or carbohydrates. Ammonia is then removed from the body in form of urea.The principal byproduct of amino acid catabolism in the liver is urea, which is formed from the ammonia generated during the transamination process and subsequently excreted in urine.
Explanation:A byproduct of amino acid catabolism in the liver is urea. During the breakdown of amino acids, the liver plays a crucial role in removing the amino group from amino acids in a process called transamination. This amino group is eventually converted into ammonia, which is toxic to the body. To safely excrete this ammonia, the liver synthesizes urea, combining two ammonia molecules with a carbon dioxide molecule. Urea is then eliminated from the body through urine, making it the principal waste product of amino acid catabolism in mammals.
The liver is not the only organ involved; tissues such as the kidney, small intestine, muscles, and adipose tissue also participate in amino acid metabolism. When glucose levels are low, such as during fasting or starvation, amino acids are more likely to undergo catabolism, with their carbon skeletons being utilized for energy production through the citric acid cycle.
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in knowledge-based economies, education plays an important role in the lives of citizens and is an important factor in their quality of life. ALL BUT ONE is the result of an appropriate education on one's quality of life.
a. limiting factor. May determine the job an individual will have.
b. May be excluded from the power of networking through social connections.
c. Quantity and quality of available jobs; working hours, safety, ethics of employers.
d. lack of opportunity. Individual will have fewer prospects for economic prosperity in their lifetime.
Answer:
B
Explanation:
Just did the assignment and buddy got me wrong
Final answer:
Education in knowledge-based economies impacts quality of life, career prospects, and economic stability; it also enhances networking. However, b. exclusion from networking is not a typical result of appropriate education.
Explanation:
In knowledge-based economies, education has a profound impact on various aspects of quality of life. Firstly, education acts as a limiting factor in determining the jobs an individual may have, directly influencing career prospects and economic stability. Secondly, through social connections and networking, education opens doors to opportunities that might otherwise be inaccessible. Thirdly, the quantity and quality of jobs, working conditions, workplace safety, and the ethics of employers are all influenced by the level of education and skills of the workforce.
Lastly, a lack of education can lead to a lack of opportunity, resulting in fewer prospects for economic prosperity over an individual's lifetime. Given these outcomes, the result of an appropriate education on one's quality of life that is NOT consistent with the others is being 'excluded from the power of networking through social connections.' An appropriate education typically enhances one's ability to network and build social connections, rather than exclude them.
On the Earth, there are several scientific classifications for animals of all types, whether scaled, feathered, or furry. When is comes to animals, all are under certain kingdoms. Which of the following would represent animals that are very closely related to one another?
Groups
Genus
Species
Families
Answer:
C.) Species
Explanation:
Since you mentioned classifications for animals, the answer would not be families. Genus is a more general classification for animals and groups aren't even part of the classification for animals, so that would leave us with one answer, species.
Hope this helps ya :D
What is the definition of a dihybrid cross?
Answer:
A dihybrid cross describes a mating experiment between two organisms that are identically hybrid for two traits. A hybrid organism is one that is heterozygous, which means that is carries two different alleles at a particular genetic position, or locus. hope this helps you
Explanation:
A Dihybrid cross is defined as a cross between 2 true-breeding parents that possess different forms of two genes.
What is Dihybrid?A dihybrid cross is defined as a mating experiment between two organisms that are alike hybrid for two traits. A hybrid organism is one that is heterozygous, which means that it carries two different alleles at a single genetic position or locus.For example color and the shape of seeds at a time they picked. He picked the wrinkled-green seed and round-yellow seed and meet them. He procures only round-yellow seeds in the F1 generation.Genetics is the offspring of two individuals that are unlike with respect to two pairs of genes.To learn more about dihybrid refer to:
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