Answer:
The cell membrane is a multifaceted membrane that envelopes a cell's cytoplasm. It protects the integrity of the cell along with supporting the cell and helping to maintain the cell's shape. Proteins and lipids are the major components of the cell membrane.
Answer:
The cell membrane has two functions: first is to keep the constituents of the cell in and unwanted substances out. Its second function is to be a gate allowing the transport of essential nutrients into the cell and movement from the cell of waste products. It's important because it protects the cell.
What enzymes make up pancreatic juice? What does each enzyme do to help digestion?
Answer:
The following enzymes make up the Pancreatic Juice
1. Trypsinogen
2. Chymotrypsinogen
3. Elastase
4. Carboxypeptidase
5. Pancreatic Lipase
6. Nucleases
7. Amylase
Explanation:
1. Trypsinogen helps in Protein Digestion.
2. Chymotrypsinogen is also used in the small intestine to break down proteins into individual amino acids, but it specifically targets the aromatic amino acids, tyrosine, phenylalanine, and tryptophan.
3. Elastase cleaves the peptide bonds in elastin, aiding in its digestion.
4. Carboxypeptidase breaks down the first peptide or amide bond at the carboxyl/C-terminal end of proteins and peptides.
5. Pancreatic Lipase is a primary enzyme that breaks down dietary fat in the digestive system.
6. Nucleases are responsible for breaking the bonds between nucleotides in nucleic acids.
7. Amylase catalyze the splitting of starch into smaller carbohydrate molecules such as maltose (two glucose molecules) by addition of water molecule.
one parent is homozygous cleft chin and the other is heterozygous. MAKE A PUNNET SQUARE to show the propability in their offspring will be heterozygous for a cleft chin.
Answer:
50% AA and 50% Aa
Explanation:
Punnet square is a tool used to examine the offspring's genotype result of a breeding experiment. We will need to put the genotype of a parent in the row, and other parents at the column. The parent is homozygous(AA) and heterozygous(Aa), the square will be:
AA
A A
A AA AA
Aa a Aa Aa
The result will be 50% AA and 50% Aa
Savannah wraps some gifts and then brings them to the post office where
they are delivered to people in different parts of the country. Which
organelle is Savannah most like?
Golgi body
cell membrane
lysosome
chloroplast
Need ASAP
Answer:
Savannah is acting as the golgi body.The golgi body is responsible for shipping nutrients around the cell to keep it functioning well
hope this helps....mark me the brainliest plzz
Answer:
Savannah wraps some gifts and then brings them to the post office where
they are delivered to people in different parts of the country. Which
organelle is Savannah most like?
Golgi body plays such vital role that Savannnah plays in the above description
Explanation:
Golgi body entails putting together of protein before they are distributed to where needed.
Which of the following are true about both the sun and the stars? Choose the three correct answers.
A.
Both are visible during the day in summer.
B.
Both move across the sky from east to west.
C.
Both change positions in the sky due to Earth's revolution.
D.
Both are visible at night in winter.
E.
Both appear in different positions in the sky due to Earth's rotation.
F.
Both move from north to south in the sky
Answer:
B. Both move across the sky from east to west.
C. Both change positions in the sky due to Earth's revolution.
E. Both appear in different positions in the sky due to Earth's rotation.
Explanation:
Sun and stars doesn't move in the sky. We see sun and stars move from east to west, it is due to the rotation of earth, not the movement of sun and stars.
Sun and stars are luminous objects, so only sun is visible at daytime and starts are not because sun is more luminous than stars.
Answer:
b,c and e
Explanation:
Which effect can an ocean have on the climate
Answer:
Tempature
Explanation:
The ocean cools and heats up slower then land so let's take NY in the US for an example a city in upstate NY is not near a body of water so the tempatures will be much hotter in the summer and colder in the winter now let's take NYC one of the biggest cities in the world it's on the coast and in the winter the water stores heat making the winter a littler warmer then upstate and the summers a little cooler then upstate
Each give
_ of their
DNA to their offspring
~
Female
Male
+
=
genetic
Explanation:
each have phenotype and genotype
Which statement describes the offspring of the Fı generation when crossing a pea plant that is true breeding for green seeds with
a pea plant that is true breeding for yellow seeds?
The green trait is the dominant trait.
The offspring will inherit one allele from each parent.
The offspring will have both green and yellow seeds.
Each offspring will have a unique set of alleles.
The offspring will inherit one allele from each parent.
Explanation:The genetic crossing experiments lead to the formation of different hybrids which has several characters unlike their parents. Here the parents are homozygous.
One of the parent is homozygous yellow with respect to seed colour. So genetic combination of the parent will be YY.
The other parent is homozygous green with respect to seed color. So genetic combination of the parent will be yy.
Now as they are crossed the offsprings will have genetic combination of Yy.
This is seen that the offsprings carry one allele from both the parents.
a pollutant released on one continent is found concentrated in the tissues of organisms on another continent. Is this likely an air, land, or water pollutant? Explain
Answer:
It is most likely an air and water pollutant.
Explanation:
The continents are separated with water and air. Therefore, if a pollutant is released from one continent, it could have transported to the other continent via water and air. Although the effect of air is less due to dispersing of air masses, it still have a chance to transport the pollutant at far distance. This phenomenon can also be related with the transboundary pollution where a pollutant travels to another place. For example, many persistent organic pollutants have beend detected in the bodies of polar bears living in arctic.
A pollutant found concentrated in organisms across continents is likely an air pollutant, as air pollution can spread far and wide, crossing continental boundaries due to the wind currents and atmospheric deposition.
Explanation:A pollutant released on one continent and found concentrated in organisms on another continent is most likely an air pollutant. This is because air pollution has the capability to spread across vast distances and is known to be a significant nonpoint source of pollution. Airborne contaminants, such as nutrients and pesticides, can travel far from their original source, as they are carried by wind currents and can eventually settle in different regions via atmospheric deposition. This process enables pollutants to contaminate areas far from where they were released, often crossing continental boundaries.
Examples of this long-range transport of pollutants include acidic compounds contributing to acid rain, or industrial emissions leading to the accumulation of chemicals in the food chain of remote areas. The spread of air pollution can result in ecological disasters, as documented by the shrinking of West Africa's Lake Chad, partially attributed to European air pollution that reduced rainfall. While soil and water pollutants also pose significant environmental threats, their movement is typically more localized and less likely to reach distant continents without human activity directly transferring them.
It's important to address air pollution through regulations and awareness, as it not only affects local environments but can also have far-reaching consequences on global ecosystems and public health.
What is a consequence of excess protein intake?
Excessive protein intake can lead to kidney problems, weight gain, and nutrient imbalances.
Explanation:An excessive intake of protein can have several negative consequences on the body. One consequence is an increased risk of kidney problems, as the kidneys have to work harder to filter and eliminate the excess protein. Another consequence is potential weight gain, as excess protein can be converted into body fat if it is not used for energy. An excessive protein intake may lead to nutrient imbalances, as a diet high in protein may lack other essential nutrients.
Additionally, imbalanced protein consumption can disrupt nutrient ratios in the diet. It is important to maintain a balanced diet and consult with a healthcare professional or nutritionist to determine the appropriate protein intake for individual needs and goals.
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An excess of protein in the diet can lead to health complications, especially concerning the kidneys due to the overproduction of glycogen. This unregulated production results from the body's need to use or store the excess, which can create strain and eventually health problems. Therefore, a balanced diet is crucial for maintaining appropriate levels of proteins.
Explanation:Excessive protein intake, much like an imbalance of any macromolecule in one's diet, can lead to various health problems. A significant consequence of excess protein intake can be related to the kidneys. Consuming an excess of protein can lead to an overproduction of glycogen, which is typically used to produce energy when food resources are scarce.
Normally, proteins are essential for our bodies functioning, being a vital part of the structure of our cells, enzymes, and much more. However, when proteins are present in excess, the body is forced to convert them into glucose or triglycerides in order to use or store them. This unnatural production of glycogen can place undue strain on the kidneys, possibly leading to health problems.
Equally, just as metabolic fuel sources are necessary for functioning, an imbalance can create complications. Therefore, although proteins can serve as potential fuel sources, this is only true when balanced appropriately, highlighting the importance of a well-regulated diet and lifestyle.
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PLZ HELP What would happen if a cell dissolved in water like sugar does
Answer:
Okay I don’t really think anything would happen to the cell part from maybe it could be affected physically if it’s physical maybe it it could get brighter or smaller or nothing at all. It depends what cell it is.
Which of these is not a form of pollution caused by humans? A.light B.chemical contaminats C.volcanic activity D.noise
Answer:
Volcanic pollution
Explanation:
The interaction between the hummingbird and the orchid flowers is mutualistic in nature. Hummingbirds benefit by getting nectar from the flowers. How would the flowers benefit in return?
Answer:
The flower is pollinated
Explanation:
The mutualistic relationship between hummingbirds and orchid flowers primarily benefits the flowers through pollination, which aids in their reproductive process. Option B is correct.
This means that both parties benefit from the interaction. While the hummingbirds gain energy-rich nectar from the flowers, the flowers benefit through pollination. As the hummingbirds feed on the nectar, they inadvertently transfer pollen from one flower to another, facilitating the flowers' reproductive process.
Pollination: The primary benefit is that the flowers get pollinated. The hummingbirds carry pollen on their heads and necks, transferring it to other flowers they visit.Reproduction: This pollination process is essential for the flowers' reproduction, helping to produce seeds for the next generation of plants.Complete question as follows:
The interaction between the hummingbird and the orchid flowers is mutualistic in nature. Hummingbirds benefit by getting nectar from the flowers. How would the flowers benefit in return?
A. The fragrance of the orchid flowers spreads farther.
B.The orchid flowers get pollinated.
C. The orchid flowers get protected.
D.The orchid flowers are able to attract more insects.
which one?
What does it mean if somebody has a lump under their testes?
A.) AIDS
B.) Herpes
C.) Cancer
D.) Ghonnaherpasyphillis
Tropical storms and hurricanes are weather patterns formed in the Atlantic Ocean. Name the same weather pattern that travels across the Pacific Ocean
A. cyclone
B. tsunami
PLEASE HELP!!!!!!!
Answer:
A)Cyclone
Explanation:
The term 'synapsis' is associated with which process?
The term 'synapsis' is associated with crossing over process.
Explanation:
An exchange or reciprocal segmental switch between chromatids of a homologous pair of chromosomes that results in a gene recombination, is understood as a crossing over. Synapsis is the fusion of two homologous chromosomes occurring while meiosis.
Synapsis enables the alignment of homologous pairs and probable chromosomal fusion between them previous to their division. The synapsis happens during meiosis prophase I. Crossing over takes place during prophase I of meiosis until tetrads are paired in metaphase I along the equator. Even sister chromatids survive by meiosis II, and homologous chromosomes were transferred to separate cells. Notice that the point of convergence is to raising genetic variability.
what must happen before crossing over can occur in meiosis
Answer:
Crossing over occurs between prophase I and metaphase I and is the process where two homologous chromosome non-sister chromatids pair up with each other and exchange different segments of genetic material to form two recombinant chromosome sister chromatids.
Before crossing over can occur in meiosis, homologous chromosomes must line up during prophase I, and DNA replication must have taken place to form sister chromatids. Crossing over involves precise DNA exchanges between non-sister chromatids, and is critical for genetic diversity and integrity.
Before crossing over can occur in meiosis, several steps must take place. Firstly, during prophase I, the homologous chromosomes line up together. This alignment is crucial because it sets the stage for the exchange of DNA between these paired chromosomes. Before the exchange, the DNA must be replicated to form sister chromatids, and the chromosomes condense and coil up tightly. During prophase I, crossing over occurs when a double strand break on one DNA molecule is joined with a double strand break on another, allowing the exchange of genetic material between non-sister chromatids, typically at the same relative locations.
The accuracy of crossing over is vital for maintaining genetic integrity, as it must be done with precision to prevent the gain or loss of genes. Any inaccuracy, such as a frameshift mutation, could result in a defective gene product or no product at all. Crossing over not only assists in holding the chromosomes together until they separate in anaphase I, but it also facilitates genetic recombination between linked genes. After crossing over, during metaphase I, the homologous chromosomes randomly assort on the metaphase plate, further contributing to the unique genetic makeup of the resulting gametes.
Which of the following is a fossil fuel?
A) water
B) gasoline
C) carbon dioxide
D) ice
Answer:
B) gasoline
Explanation:
yes
Answer:
gasoline
Explanation:
it's it's a natural field such as a coal or gas formed in the gorge Alaska space for the remains of living organism organism he's going to be like
Which of the following best describes the process of meiosis?
A it is the first stage of mitosis
B it occurs in all tissues that require growth or replacement
C it happens in all cells except in the brain and nervous system.
D it is carried out in cells that are involved in sexual reproduction
i think is B= It occurs in all tissues that require growth or replacement
Why is it important for ecologists to be aware of forest deforestation?
Answer:
Why is it important for ecologists to be aware of forest deforestation?
As an ecologist, both biotic and abiotic interactions matters which calls for deforestation must be curtailed by an ecologist as it reduces the oxygen content in the atmosphere which is essential to life
Explanation:
Final answer:
Ecologists must be aware of deforestation because it leads to biodiversity loss, disrupts the water cycle, and causes soil erosion. Deforestation also diminishes forests' carbon sink function, contributing to climate change. Sustainable forest management and reforestation are essential to mitigate these negative impacts.
Explanation:
It is important for ecologists to be aware of forest deforestation because it leads to significant environmental and ecological issues. The removal of trees at a faster rate than they can be replenished causes loss of biodiversity, disruption of the water cycle, and aggravated soil erosion. In tropical areas, the elimination of trees results in degraded soils that cannot support new forest growth due to the loss of essential nutrients which were once recycled by the forest ecosystem. Furthermore, forests serve as carbon sinks, absorbing carbon dioxide from the atmosphere; their destruction contributes to increased greenhouse gases and climate change.
One of the most critical ecosystems affected by deforestation is the tropical rain forest, renowned for its vibrant biodiversity. These forests are not just home to a plethora of species, but also contribute to potential medical and biological breakthroughs. The extinction of species accelerates as their habitats are destroyed. Deforestation impacts not just the environment but also the native species that depend on these habitats for survival. Ecological balance, poverty alleviation, and sustainable development face significant hurdles due to deforestation.
One of the crucial steps toward combating deforestation involves integrating afforestation, reforestation, and natural regeneration policies. These practices, along with smart management such as strip cutting and secondary forest regeneration, offer hope in mitigating the catastrophic loss created by deforestation. Governments and private sectors must work together to implement policies that curb deforestation and promote sustainable use of forest resources.
What is the product of transcription and translation?
O
O
A. Nucleic acids
B. RNA
O
c. Proteins
O
D. DNA
Answer: Proteins
Explanation: Proteins are produced in a process by which the genetic information in an mRNA sequence is converted into a polypeptide chain. The first step in the process of protein synthesis is transcription. Transcription is a process by which the genetic message encoded in a DNA is copied into an mRNA. Transcription takes place in the nucleus. After transcription, the mRNA leaves the nucleus and enters the ribosome where translation takes. In the ribosome, the mRNA sequence is used to make a protein. The genetic information encoded in the mRNA strand is converted into a polypeptide chain. The newly synthesized polypeptide chain undergoes posttranslational modifications to become a biologically functional protein.
Name the different pigments that can be found in plant leaves
Answer:
A leaf has several pigments. ..such as
green pigments-chlorophyll a and chlorophyll b
Yellow orange pigments- catotenoids and xanthophylls which are present in mature and yellow leaves
purple coloured pigmrnts are anthocyanin which could be seen in dome leaves specially in winters.
Explanation:
How do the three types of RNA work together at a ribosome to synthetize
A polypeptide?
Answer:
Explanation:
Ribonucleic acid (RNA) is a polymeric molecule essential in various biological roles in coding, decoding, regulation and expression of genes. RNA and DNA are nucleic acids, and, along with lipids, proteins and carbohydrates, constitute the four major macromolecules essential for all known forms of life. Like DNA, RNA is assembled as a chain of nucleotides, but unlike DNA it is more often found in nature as a single strand folded onto itself, rather than a paired double strand. Cellular organisms use messenger RNA (mRNA) to convey genetic information (using the nitrogenous bases of guanine, uracil, adenine, and cytosine, denoted by the letters G, U, A, and C) that directs synthesis of specific proteins. Many viruses encode their genetic information using an RNA genome.
tRNA, is found in the cytoplasm and is involved in protein synthesis. Transfer RNA transports amino acids to the ribosome, one for each three-nucleotide codon of rRNA. The amino acids can then be combined and processed to form polypeptides and proteins. The template for this is formed by mRNA.
What is a polypeptide?A polypeptide is an unbranched chain of amino acids connected by peptide bonds.
mRNA is the one that make template for protein synthesis. tRNA is a protein synthesis enzyme found in the cytoplasm.
Transfer RNA, one for each three-nucleotide codon of rRNA, transports amino acids to the ribosome. After that, the amino acids can be combined and processed to create polypeptides and proteins.
Thus, in this way the three RNA works together to form a polypeptide.
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Producers that are part of your diet
Answer:
and plant so fruits and vegetables
•lettuce
•carrots
•spinach
•carrots
•broccoli
•brussel sprouts
•green beans
•snow peas
•seaweed
•kelp
•kiwis
•strawberries
•blueberries
•banana
•cherries
•raspberries
•blackberries
•pomegranates
•apples
•dragon fruit
•starfruit
etc. etc. etc.
☆i hope this helped! :) have a nice day☆
How is it possible for an offspring to exhibit a recessive trait if neither parent exhibited that recessive trait? What must be true about the parents’ genes for this to occur?
Hello!
I will use a capital letter to demonstrate dominant (B) and lowercase letter to demonstrate recessive (b).
The given scenario would only be possible of both of the parents had heterozygous genes (Bb), meaning that they have one dominant allele and one recessive allele.
The offspring will only exhibit a recessive trait if that particular gene has two recessive alleles (bb). If both parents have only one recessive allele (Bb), then neither will exhibit the recessive trait.
It is possible, however, that each parent will pass on their one recessive allele. In this case, the offspring would now have two recessive alleles (bb) and begin exhibiting the recessive trait.
I hope this helps!
Answer: it is possible for an offspring to exhibit a recessive trait if neither parent exhibited that recessive trait if both parents are heterozygous for the trait. The parents' genotype must be heterozygous i.e., having one dominant allele and one recessive allele.
Explanation: It is possible for an offspring to exhibit a recessive trait when neither of the parents exhibited the recessive trait.
For example, if (A) is the allele for normal skin colour and it is dominant to (a) which is the allele for albinism that is recessive, two parents with heterozygous genotype Aa will have offsprings with the following possible genotypes: Aa x Aa = AA, Aa, Aa and aa.
One of the offsprings will inherit recessive allele for albinism from each parent (aa), and thus will manifest outwardly as albino child.
The continental United States is closer to the equator than Canada is. Based on this information, we'd expect the continental U.S. to have a _____ climate than Canada.
A. drier
B. hotter
C. colder
D. wetter
7. Structure X would be involved in the
(1) storage of digestive enzymes
(2) absorption of energy from the Sun
(3) development of pathogens
(4) synthesis of proteins
Answer:
4
Explanation:
Mitosis - responsible for growth, repair, and development in all cells. Can you place the stages of mitosis in correct order?
Answer: prophase, (prometaphase,) metaphase, anaphase, and telophase
Explanation:
17. Which of the following actions by humans adds the greatest amount of carbon dioxide to
the atmosphere?
A cultivating new breeds of plants
C burning coal for electricity
B using solar powered calculators
D planting grass in neighborhoods
Answer:
C. Burning coal for electricity.
Explanation:
When fuels like wood, coal petroleum and natural gas are burnt, the carbon in them is oxidized to carbon dioxide which returns to the atmosphere. Coal, petroleum and natural gases are known as fossil fuels. Coal comes from the partly decayed remains of ancient plants that became buried millions of years ago and were subjected to great pressure. As these fossil fuels take time millions of years to form, the carbon in them tends to recycle very slowly. In as much as they take time to form, they are been used up rapidly.
7. When a snake moves to a sunny place to keep warm, the snake is responding to what kind of stimulus?
learned
innate
external
Internal
Answer: external
Explanation: warmth on outside so u can feel inside
what is the habitat of a hummingbird clearwing moth
Answer:
It is found in a wide variety of habitats which includes open meadows,forest edges, and some suburban gardens.
Explanation: these are birds which fly during the day unlike most of sphinx moths that fly at night.
They feed on flower nectars