the enzymes that digest proteins in the small intestine are the enzymes that digest proteins in the small intestine are phosphofructokinases. pepsins. proteases. pepsinogens.
Answers
The enzymes that digest proteins in the small intestine are proteases, including trypsin, chymotrypsin, and elastase.
The enzymes that digest proteins in the small intestine are called proteases, not phosphofructokinases. Phosphofructokinases are actually enzymes involved in glycolysis, not protein digestion.Pepsins, on the other hand, are enzymes that are produced in the stomach and play a role in the initial breakdown of proteins. However, the main proteases responsible for digesting proteins in the small intestine are trypsin, chymotrypsin, and elastase. These enzymes are secreted by the pancreas in their inactive forms, known as zymogens. When these zymogens reach the small intestine, they are activated by an enzyme called enterokinase, which converts them into their active forms. These active proteases then break down proteins into smaller peptide fragments, which can be further digested by other enzymes.For more questions on enzymes
https://brainly.com/question/14577353
#SPJ8
Related Questions
What is the function of steroids? Choose the best answer.
A)They are only cell membrane stabilizers.
B)They have many functions, including being an energy source.
C)They only regulate the immune system.
D)They have many functions, including endocrine signals.
pls quickly I had to make another account so katie wouldn't ban me
Answers
the answer should be D
Imagine that you are looking at a living cell undergoing replication. Because of the microscope you are using you cannot see any features of the cell other than the dna that is currently undergoing replication. What are some features that would help you determine whether the sample was from a prokaryote or eukaryote?.
Answers
The differentiating feature would be the presence of Cell Wall.
What is Cell Wall?Some types of cells have an outside structural layer called a cell wall. It could be firm, malleable, or sporadically stiff. In addition to protecting and supporting the cell structurally, it functions as a filtering mechanism. Cell walls are absent in the majority of prokaryotes, which include most fungi, algae, and plants, as well as many eukaryotes, which include mammals (except mollicute bacteria). One of their primary functions is to act as pressure channels, preventing the cell from overexpanding when water enters.
The kind of cell and stage of development may have an impact on the structure of cell walls, which varies between taxonomic groups and species. The primary cell wall of terrestrial plants is made up of the polysaccharides cellulose, hemicelluloses, and pectin.
Learn more about Cell Wall with the help of the given link:
https://brainly.com/question/873276
#SPJ4
TRUE/FALSE: Food webs are the best depictions of feeding relationships because they show many ways that plants and animals are connected.
Answers
Answer:
True
Explanation:
Food webs are the best depictions of feeding relationships because they show a single path for the flow of energy through an ecosystem.
What type of mutation leads to a frameshift in the reading of DNA?
a. All point mutations
b. Insertions only
c. Deletions only
d. Both insertions and deletions
Answers
Both insertions and deletions can lead to a frameshift mutation in the reading of DNA.
A frameshift mutation occurs when the addition or removal of nucleotides disrupts the correct reading frame during translation.
In a frameshift mutation, the reading frame of the genetic code is shifted, causing all subsequent codons to be read incorrectly. This results in a significant alteration of the amino acid sequence of the resulting protein.
Insertions occur when one or more nucleotides are added to the DNA sequence, shifting the reading frame. This causes all subsequent codons to be read differently from their original arrangement.
Deletions, on the other hand, involve the removal of one or more nucleotides from the DNA sequence. This also disrupts the reading frame, leading to incorrect interpretation of subsequent codons.
Therefore, both insertions and deletions can introduce a frameshift mutation, which can have profound effects on the resulting protein's structure and function.
To learn more about mutations, here
https://brainly.com/question/13923224
#SPJ4
3.
A process that occurs in the human body is shown in the diagram.
What would happen if a temperature change caused the shape of the active site to be altered?
a. The dipeptide would digest faster.
b. The dipeptide would digest slower or not at all. C. The amino acids would combine faster. D. The amino acids would combine slower or not at all
Answers
Answer:
The dipeptide would digest faster. The dipeptide would digest slower or not at all.
If a temperature change caused the shape of the active site to be altered?
The correct answer is Option B The dipeptide would digest slower or not at all.
Do enzymes speed up reactions?The answer is enzymes. Enzymes in our body are catalysts that speed up the reaction by helping to reduce the activation energy required to initiate the reaction. Each enzyme molecule has a special place called the active site where another molecule called the substrate fits.
The rate of enzyme-catalyzed reaction increases as the concentration of enzyme increases. At low temperatures, the rate of an enzyme-catalyzed reaction increases as the temperature rises. At high temperatures, proteins denature and the reaction rate drops dramatically.
Learn more about the human body here
https://brainly.com/question/9180258
#SPJ2
who has a comparative advantage at sculpting? A. Mikhail B. Stefan C. Sasya
Answers
It is not possible to determine who has a comparative advantage at sculpting without additional information.
Comparative advantage refers to the ability of an individual or group to produce a good or service at a lower opportunity cost than another individual or group. In order to determine who has a comparative advantage at sculpting, we would need to know the opportunity cost for each individual (Mikhail, Stefan, and Sasya) of producing a sculpture. This would include information such as the time and resources required for each individual to produce a sculpture, as well as the value of alternative goods or services that they could be producing instead. Without this information, we cannot accurately determine who has a comparative advantage at sculpting.
For more such questions on Comparative advantage.
https://brainly.com/question/13221821#
#SPJ11
Feathers either play a role, or may have played a role, in _____. Feathers either play a role, or may have played a role, in _____. courtship extended hops flight gliding all of these
Answers
Answer:
flying
Explanation:
what is the first thing to look for on a nutrition label?
Answers
Answer:
When looking at the Nutrition Facts label, first take a look at the number of servings in the package (servings per container) and the serving size.
Explanation:
What will happen to the rate of photosynthesis if a plant stops receiving water?
Answers
The rate of photosynthesis if a plant stops receiving water the photosynthesis will decrease.
Photosynthesis is a process by which plants, algae, and some bacteria use energy from the sun to synthesize foods, using carbon dioxide and water, this process mainly takes place in the leaves of plants. However, the process of photosynthesis is highly dependent on many environmental factors, including light intensity, carbon dioxide concentration, and water availability. The plant requires water to conduct photosynthesis. Without water, photosynthesis cannot take place.
Lack of water leads to stomata closing, which reduces the exchange of gases between the plant and the atmosphere. The closure of stomata leads to a reduction in carbon dioxide intake, which in turn leads to a reduction in the rate of photosynthesis. Furthermore, water is essential for the plant to produce glucose, which is used as an energy source for the process of photosynthesis. Therefore, if a plant stops receiving water, its rate of photosynthesis will decrease. If this persists, the plant will eventually die, in short, water is a critical factor in photosynthesis.
Learn more about photosynthesis at:
https://brainly.com/question/29775046
#SPJ11
The repeated movement of certain substances between organisms and the atmosphere is called a(n)
A. biogeochemical cycle.
B. evaporation cycle.
C. nitrate cycle.
D. Abiotic cycle.
Answers
metagenomics involves the study of the dna of all organisms within an ecosystem.
Answers
Metagenomics is a field of molecular biology that involves the study of the DNA of all organisms within an ecosystem. In this field, scientists use advanced sequencing technologies to analyze microbial communities that are typically too complex to study through traditional methods.
Because of the significant role that microorganisms play in ecosystem functioning, metagenomics provides insight into how entire ecosystems work. By analyzing the genetic information of organisms in an ecosystem, metagenomics can help identify specific microorganisms that are responsible for certain functions.
This information can be used to develop new technologies and approaches to manage ecosystems and to improve human health.Metagenomics is used to study microorganisms, which include bacteria, archaea, viruses, and fungi. These organisms are important because they are involved in many ecological processes such as nutrient cycling, decomposition, and carbon fixation. Metagenomics can also be used to identify previously unknown organisms or to study the genetic diversity of known organisms within an ecosystem.
Learn more about Metagenomics
https://brainly.com/question/13049661
#SPJ11
Water covers approximately:
a. 25% of Earth's surface
b. 50% of Earth's surface
c. 70% of Earth's surface
d. 95% of Earth's surface
Answers
Answer:
c. 70% of Earth's Surface
Population density (ecology) definition ?
Answers
Answer:
Population density is the number of individuals per unit geographic area, for example, number per square meter, per hectare, or per square kilometer.
Explanation:
The population density of organisms determines how successful they will be and what effects they will have on their environment. In biology, populations are a group of individuals belonging to the same species that live in the same region at the same time.
Which statement about biomes is true?
A.Different biomes share similar plants and wildlife.
B.)Each biome has only one ecosystem.
C.)There are only three biomes on the Earth.
D.)Biomes are determined by climate zones.
Answers
Answer:
Biomes are determined by climate zones.
Explanation:
Because the makeup of a biome is dependent on its climate, biomes are often regarded as a synonymous with climate zones.
What do mitochondria do in healthy cells, and ny had defective mitochondria caused
David to lose his vision?
Answers
Muscle weakness, intolerance to exercise, decreased hearing and vision, ataxia, seizures, learning difficulties, heart problems, diabetes, and poor growth are the hallmark signs of mitochondrial myopathy.
What will happen if have a defective mitochondria?Defects in mitochondria, the body's energy producers that may be found inside practically all cells, are the root cause of mitochondrial disorders. mitochondrial myopathies are mitochondrial diseases that create noticeable muscular issues, while mitochondrial encephalomyopathies are mitochondrial disorders that cause noticeable muscular and neurological abnormalities.Several of the syndromes linked to mitochondrial disease include Barth syndrome, Chronic progressive external ophthalmoplegia, Kearns-Sayre syndrome, Leigh syndrome, Mitochondrial DNA depletion syndromes , Mitochondrial encephalomyopathy, Lactic acidosis, and stroke-like episodes, Mitochondrial neurogastrointestinal encephalomyopathy, Myoclonus epilepsy with ragged red fibers, Neuropathy, ataxia, and retinitis pigmentosa , Pearson syndrome.The mtDNA mutation that causes NARP also causes MILS, and the two disorders can coexist in the same family. NARP can cause developmental delay, seizures, and dementia in addition to the primary symptoms for which it is called.To learn more about mitochondria refer :
https://brainly.com/question/24518086
#SPJ1
Which plant hormone(s) increases leaf size
Answers
Answer:
Gibberellin
Explanation:
I've studied that gibberellin is a plant hormone that promotes cell elongation and division, causing the cells in the leaves to elongate and divide more, this leads to an increase in leaf size.
Hope it helps! :)
The plant hormone that helps in increasing the leaf size is the phytohormone Auxin .
Plants create signalling molecules called plant hormones, which are found in low concentration. All plant's growth and progression are regulated by plant hormones.
There are basically five types of plant hormones that are considered to be essential for plant growth . They are Auxin , Cytokinin , Gibberellin , ABA , Ethylene .
The Cytokinin and Auxin work together to enhance the development of leaf as both of the phytohormones are responsible to modulate the growth of leaf as well as controlling the cell cycle . These hormones are considered essential for plant growth and it occur naturally at various concentrations within plants throughout the duration .
To learn more about Auxin
https://brainly.com/question/16939476
Purple flowers are dominant to white flowers
PP
PP
PP.
Answers
Answer:
the allele P (purple) is dominant.
Explanation:
your welcome
6.01 earth space science
Answers
Answer:
6.01 Geological Time Scale
Reflection
How long (in centimeters and years) was the Precambrian period compared to the rest of the scale?
The Precambrian period was the longest period on the timeline. It lasted approximately from 4.6 billion years ago to 543 million years ago. It was characterized by the formation of space
How many years and “centimeters” of time separated the dinosaurs and humans on Earth?
Dinosaurs existed during the Mesozoic Era, while humans existed during the Cenozoic Era. They were approximately 65 million years apart.
How many years and centimeters of time passed before life appeared on Earth?
Humans appeared around 6 million years ago, however aquatic life was the first to exist. This was during the Paleozoic Era around 3.7 billion years ago!
For how many years of geologic time have humans existed?
Around 200,00 years.
Did dinosaurs exist at the same time as mammals? Explain your answer using the geologic time scale.
No, dinosaurs died out before mammals. We know this since the first sign of mammals was the Cenozoic Era, but dinosaurs existed in the Mesozoic Era which was several million years later.
By: Nikayla Bodon
Mesozoic Era
Triassic Period: 210-251 mya
Jurrassic Period: 145-210 mya
Cretaceous Period: 65-145 mya
The Precambrian Era
During the Mesozoic Era, big creatures such as dinosaurs roamed the Earth. You may have heard the name Jurrassic from the movie Jurrassic park, however this was a reality back then with creatures such as Velociraptor, Apatosaurus, Stegosaurus, and Triceratops roaming the Earth.
Cenozoic Era
Teritary Period: 65-2.5 mya
Quantenary Period: 2.5 mya- now
This period of time is the era me and you live in today. It was the start of human life and the development of many living organisms you see today and don't!
Hadean Eon: 4.6-3.8 bya
Archean Eon: 3.8-2.5 bya
Proterozoic Eon: 2500- 543 mya
This is the eras major events include the formation of galaxies, planets, asteroids, comets, and stars, and is the earliest time period. It began around 4.6 billion years ago and is very contreversial. It consisted of the Hadean, Archean, and Proterzoic Eons.
Paleozoic Era
Cambrian Period: 500-550 mya
Ordovician Period: 438-500 mya
Silurian Period: 410-438 mya
Devonian Period: 360-410 mya
Cargoniferous Period: 290-360 mya
Permian Period: 251-290 mya
The Paleozoic Era was characterized by the formation of Pangea and known as the "Age of Fish". There several types of aquatic life
Which statement is a valid inference based on the information in the diagram? a.) species A is the common ancestor of all life on Earth b.) species D is more closely related to species E than to species F c.) species B is the ancestor of species F d.) species C is the ancestor of species that exist at the present time
Answers
A valid inference base on the common ancestry diagram is species D is more closely related to species E than to species F. Option B
What is meant by common ancestry?A species can be said to be a common ancestor of all life on Earth when it is the most recent common ancestor of all living things.
This means that all living things share a common ancestor that is more recent than any other common ancestor.
The diagram shows that species D and E share a more recent common ancestor than species D and F. This means that species D and E are more closely related to each other than to species F.
Find more exercises on common ancestry;
https://brainly.com/question/31239546
#SPJ1
Name the following.
(a) Tissue that forms the inner lining of our mouth.
(b) Tissue that connects muscle to bone in humans.
(c) Tissue that transports food in plants.
(d) Tissue that stores fat in our body.
(e) Connective tissue with a fluid matrix.
(f) Tissue present in the brain
Answers
b) tendon
c) phloem
d) adipose tissue
e) blood
f) gray matter and white matter.
A mouse is given a drug and then runs a maze. The time it takes to complete the maze is compared to the time it took for it to complete the maze without the drug.
What is the manipulated variable and the responding variable ?
Answers
Answer:
manipulating variable would be the drugs and the responding is the time that it completes the maze
Explanation:
when did modern humans become the only species in the genus homo living in europe and mainland asia?
Answers
Modern humans, Homo sapiens, became the only species in the genus Homo living in Europe and mainland Asia around 40,000 years ago.
This occurred during the Upper Paleolithic period, a time when Homo neanderthalensis and Homo erectus were no longer present in these regions.
The extinction of these other hominid species may have been caused by a combination of factors, including competition for resources, climate change, and interbreeding with modern humans.
Genetic studies have also suggested that interbreeding between modern humans and Neanderthals occurred, with non-African populations today having 1-4% of Neanderthal DNA.
However, by around 30,000 years ago, modern humans had become the dominant and only hominid species in Europe and mainland Asia, paving the way for the development of advanced cultures and civilizations.
For more such answers on Homo Sapiens
https://brainly.com/question/1388908
#SPJ11
A widespread population of the miniature burrowing pig (Microscrofus troglodytes) is thought to actually consist of smaller local breeding units either side of an ecotone. 120 individuals were sampled across this distribution and genotyped for the AbClocus. The results were as follows: Is this population in HWE? Test using the chi-square test. Show working. If not, how does it deviate from HW expectation? What is the result? Do the data support the original hypothesis? Can you think of any other explanation? How might you test your hypotheses further?
Answers
Answer:
Explanation:
To determine whether the population is in Hardy-Weinberg equilibrium (HWE) for the Ab locus, we need to compare the observed genotype frequencies with the expected frequencies under HWE assumptions. The expected genotype frequencies under HWE can be calculated using the allele frequencies observed in the population.
Let's assume that the Ab locus has two alleles, A and B. We'll denote the allele frequencies as p and q, respectively, and the expected genotype frequencies under HWE as p^2 (AA), 2pq (AB), and q^2 (BB).
Given the genotyping data, we can analyze the observed genotype frequencies and calculate the expected frequencies. Let's say we obtained the following counts:
AA: 45 individuals
AB: 60 individuals
BB: 15 individuals
To determine the allele frequencies, we can calculate the allele counts. Let's denote the frequency of allele A as p and allele B as q.
Count(A) = 2 * AA + AB = 2 * 45 + 60 = 150
Count(B) = 2 * BB + AB = 2 * 15 + 60 = 90
Total count = Count(A) + Count(B) = 150 + 90 = 240
p = Count(A) / Total count = 150 / 240 = 0.625
q = Count(B) / Total count = 90 / 240 = 0.375
Now, we can calculate the expected genotype frequencies under HWE:
p^2 = (0.625)^2 = 0.390625
2pq = 2 * 0.625 * 0.375 = 0.46875
q^2 = (0.375)^2 = 0.140625
To determine whether the population is in HWE, we can perform a chi-square test using the observed and expected genotype frequencies.
Observed:
AA: 45 individuals
AB: 60 individuals
BB: 15 individuals
Expected (calculated above):
AA: (0.390625) * 120 = 46.875
AB: (0.46875) * 120 = 56.25
BB: (0.140625) * 120 = 16.875
To conduct the chi-square test, we compare the observed and expected frequencies for each genotype and calculate the chi-square statistic:
Chi-square = Σ [(Observed - Expected)^2 / Expected]
Calculating for each genotype:
AA: [(45 - 46.875)^2 / 46.875] = 0.07602
AB: [(60 - 56.25)^2 / 56.25] = 0.26765
BB: [(15 - 16.875)^2 / 16.875] = 0.10741
Summing the values:
Chi-square = 0.07602 + 0.26765 + 0.10741 = 0.45108
Degrees of freedom (df) = Number of genotypes - 1 = 3 - 1 = 2
To determine whether the population is in HWE, we compare the chi-square statistic with the critical value from the chi-square distribution table for the given significance level and degrees of freedom. If the calculated chi-square value exceeds the critical value, we reject the null hypothesis of HWE.
Alternatively, we can use statistical software or an online chi-square calculator to obtain the p-value associated with the calculated chi-square value. If the p-value is below the chosen significance level (e.g., 0.05), we reject the null hypothesis.
Further analysis:
If the population is not in HWE, it suggests that there are deviations from the expected genotype frequencies. The deviations could indicate factors such as non-random mating, genetic drift, selection, mutation, or migration.
To explore the deviations further and understand the factors contributing to the population's deviation from HWE, additional investigations can be conducted. These might include:
1. Investigating mating patterns: Assessing whether individuals are preferentially mating with individuals of certain genotypes or from specific breeding units.
2. Genetic drift: Analyzing the population size and potential bottlenecks or founder effects that could contribute to deviations from HWE.
3. Selection: Examining whether natural selection is acting on the Ab locus, leading to deviations from expected genotype frequencies.
4. Mutation and migration: Assessing the potential impact of new mutations or migration from other populations on the observed genotype frequencies.
By conducting these additional investigations, we can gain a better understanding of the factors influencing the population's deviation from HWE and further test the original hypothesis.
which of the following is a decomposer ?
a. hawk b. ant c. fungus d. owl
Answers
Answer:
C. fungus
Explanation:
A decomposer is an organism that breaks dead matter.
2. Use the diagram to answer the question.
Which structure represents a single thylakoid?
a. structure A
b. structure B
c. structure C
d. structure D
Answers
Answer:
c. structure C represent a single thylakoid
Answer:
Structure C!
Explanation:
I got it right on my test :)
How is self-pollination similar to cross-pollination? how is it different?.
Answers
Answer:
Self-pollination occurs when the pollen from the anther is deposited on the stigma of the same flower, or another flower on the same plant. Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species.Explanation:
Which term describes a single female arctic The group of polar bears that live along the eastern coast of Russia makes upfox?
Answers
The term that describes a single female arctic fox is a vixen.
A vixen is a female fox, including the arctic fox, that is not pregnant or nursing young. It belongs to the Canidae family and is found in the tundra and other Arctic regions of the Northern Hemisphere.The Arctic fox is a small, compact, and sturdy mammal that can survive in some of the world's harshest environments.
The population of Arctic foxes that lives along the eastern coast of Russia is not referred to as a group of polar bears. It is known as a population, a community, or a family.A population is a group of animals of the same species that live in the same area and interact with one another.
A family of arctic foxes is made up of a male and female adult and their offspring. They live together in underground dens that are used for shelter and protection.Arctic foxes are considered a keystone species in the Arctic region because they play a crucial role in the ecosystem. They feed on small animals like lemmings and voles, which helps to regulate their populations. In addition, they are a food source for larger predators like wolves and polar bears, which helps to maintain balance in the food web.
For more such questions on arctic fox, visit:
https://brainly.com/question/27754416
#SPJ8
The cell spends most of its life in
Answers
Answer:
Interphase
Explanation:
the eel is an example of a fish that suited to both freshwater and seawater. Which zone of an estuary would you expect to find eels in abundance
Answers
Answer:
A subtidal zone.
Explanation:
At that zone there would be a balance between fresh water and salt water. Fresh water stems from river processes while wavy waters stems from sea processes which produces salty water.
Who explored Texas, New Mexico, and Arizona in 1528, while lost for nine years?
A) Hernando de Soto
B) Francisco Vasquez de Coronado
C) Cabeza de Vaca
D) Juan Ponce de Leon
Answers
The person who explored Texas, New Mexico, and Arizona in 1528, while lost for nine years was Cabeza de Vaca. The correct option is C.
Cabeza de Vaca Cabeza de Vaca, full name Alvar Núñez Cabeza de Vaca, was a Spanish explorer who is best known for being one of four survivors of the 1527 Narváez expedition, during which he and his companions were shipwrecked off the coast of Texas, leading to a nine-year-long ordeal during which they explored parts of the present-day southwestern United States and northern Mexico.
The Narváez expedition was a large-scale \(attempt\) by the Spanish to establish a presence in Florida, which at the time was believed to contain vast amounts of gold. The expedition included 600 men and several ships, but it quickly ran into trouble due to a combination of bad weather, hostile native tribes, and poor leadership. Ultimately, only four men survived: Cabeza de Vaca, Andrés Dorantes de Carranza, Alonso del Castillo Maldonado, and an enslaved Moor named Esteva Nico.
To know more about Texas visit:
https://brainly.com/question/29874906
#SPJ11