Answers
Answer:
B
Explanation:
Answer:
option B is the answer
Related Questions
How much ATP is required to transform N2 into ammonia?
Answers
To transform N2 (nitrogen gas) into ammonia (NH3), the biological process called nitrogen fixation is carried out by nitrogen-fixing bacteria, like those found in the root nodules of legume plants. During this process, 16 ATP molecules are required to convert 1 N2 molecule into 2 NH3 molecules.
The process of transforming N2 into ammonia is known as nitrogen fixation and it requires a significant amount of energy in the form of ATP. Specifically, it takes approximately 16 ATP molecules to convert one molecule of N2 into two molecules of ammonia (NH3) through the action of nitrogenase enzymes in nitrogen-fixing bacteria or in industrial processes. This is because nitrogen fixation is a highly energy-intensive process that requires the breaking of the strong triple bond between nitrogen atoms in N2.
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The protein responsible for triggering the actual release of neurotransmitter at the synapse is a. synapsin. b. synaptotagmin. c. SNARE. d. dynamin.
Answers
Synaptotagmin is a protein that plays a crucial role in the release of neurotransmitters at the synapse, option (b) is correct
It is located on the synaptic vesicles, which store neurotransmitters inside nerve terminals. When an action potential reaches the presynaptic terminal, it triggers a series of events that result in the release of neurotransmitters into the synaptic cleft.
Upon depolarization of the presynaptic membrane, calcium ions \((Ca_2^+)\) enter the nerve terminal. Synaptotagmin serves as a calcium sensor, and the increase in intracellular calcium concentration leads to a conformational change in synaptotagmin. This conformational change then triggers the fusion of the synaptic vesicle membrane with the presynaptic membrane, allowing the release of neurotransmitters into the synaptic cleft, option (b) is correct.
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In the scientific method, questioning does which of the following?
Defines the problem to be explored
Challenges the work of other scientists
Articulates the results of an experiment
Creates doubt within the scientific community
Answers
Answer:
defines the problem to be explored
In a healthy ecosystem, which trophic level should
have the most energy? Why? *WILL MARK BRAINLIEST*
Answers
Answer:
Producer(plants)
Explanation:
They can produce there own energy and they help all of the other animals stay alive.
in a healthy ecosystem, the trophic level that should have the most energy is the producer.
WHAT IS TROPHIC LEVEL:Trophic level of an organism refers to the position of the organism in the flow of energy in an ecosystem.Organisms feed on one another in an ecosystem to obtain energy needed for their metabolic activities.More energy is contained in lower trophic levels than that of higher trophic levels. This means that, according to this question, more energy will be in the producers as the lowest trophic level.Therefore, in an healthy ecosystem, the trophic level that should have the most energy is the producer.
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Return Next ? 14 1 point When the brain integrates signals from different sensory systems, all these signals receive equal weight in determining the actions & forming memories True False Next Previous
Answers
It is FALSE that the brain integrates signals from different sensory systems, all these signals receive equal weight in determining the actions & forming memories.
The relative importance of each signal is determined by the particular task or context when the brain combines inputs from many sensory systems. For instance, it's more likely that visual information will be prioritized when driving a car than aural information will when listening to music. The brain also has systems for prioritizing or selectively filtering out particular sensory data based on its importance or salience. The brain can, for instance, choose focus to certain sounds in a busy environment or block out unimportant noise.
The importance of the sensory information, the task or context, as well as the brain's own processing priorities and filters, all play a role in the complex and dynamic process of integrating signals from many sensory systems.
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When someone is having a blood test done to see if they are hiv-positive, what specifically is being looked for in the blood sample?.
Answers
When someone is having a blood test done to see if they are hiv-positive, the antibodies to the virus are specifically being looked for in the blood sample.
What are Antibodies?
This is referred to as immunoglobulin and they are protective proteins which are produced by the immune system. They normally attach to the antigens and use different mechanisms to eliminate or fight against it.
In the laboratory , blood test is done to see if they are hiv-positive and they look out for antibodies to the virus which depicts that it is present in the body system of the individual.
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when someone is having blood test done for hiv-positive. the test looks for both antibodies and antigen in the blood sample.
what are antibodies?
An antibodies is a blood protein produced in response to and counteracting a specific antigen. antibodies mixes chemically in the body with substances which the body recognizes as alien.
what is an antigen?
An antigen is a toxic substances which induces an immune response in the body.
In conclusion HIV antibodies are disease-fighting protein that the immune system makes when you have an HIV infection.
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EASY BIO QUESTION
15 PTS WILL MARK BRAINLIEST
Which is the best description of carbohydrates?
biomolecules made up of amino acids
biomolecules made up of nucleic acids
hydrophilic molecules that provide energy for the body
hydrophilic molecules that are part of the cell membrane
Answers
Answer:
hydrophilic molecules that provide energy to the body.
Explanation:
because looked in my study book, then asked my teacher.
The last common ancestor of all animals was probably a(n) The last common ancestor of all animals was probably a(n) algae. chytrid. yeast. protist. fungus.
Answers
Answer:
The correct answer is - protist.
Explanation:
Protist is a single-celled eukaryote that contains organelles. It is the last common ancestor of all animals as is consider as most primitive animal cells as it has no cell wall but contains the nucleus and other double-membrane organelles. The protists are the cell that distinguishes fungus, plant cells, and animal cells into these three different kingdoms.
Thus, the correct answer is - protist.
pllsssssss help i will mark brainliest
Answers
Answer:
EU genes enclosed in nuclei, contain organelles,
BOth rigid cell wall, bacteria, divide by mitosis
Pro genes float fee in cytoplasm
Explanation:
bộ lưỡng cư không đuôi có đặc điểm cơ bản là
Answers
Answer:
thân ngắn,hai chi sau dài hơn 2 chi trước, đa số hoạt động về đêm
what type of cell is activated in lymphatic tissue by macrophages presenting antigens during a viral infection?
Answers
During a viral infection, macrophages in lymphatic tissue will present viral antigens to T lymphocytes (T cells). Specifically, macrophages will present antigens on their surface using major histocompatibility complex (MHC) class II molecules, which act as a signal for T cells to recognize and respond to the viral infection.
The type of T cell that is activated in response to the viral antigens depends on the specific antigens being presented and the type of T cell receptor (TCR) expressed by the T cell. Generally, CD4+ T helper cells are activated in response to viral antigens presented by macrophages, which then activate other immune cells to mount an immune response against the virus.
CD4+ T helper cells secrete cytokines that can activate and recruit other immune cells, such as B cells and CD8+ T cells, to target and eliminate the virus-infected cells. Overall, the activation of T cells by macrophages in lymphatic tissue is a critical step in the immune response to viral infections.
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What evidence have you discovered to explain what powers a cell?
Answers
The strength of the cell lies in the mitochondria organelles. Mitochondria are involved in inviting the energy needed by cells.
Mitochondria are round to oval-shaped organelles found in almost all eukaryotic materials. This component produces energy known as ATP for cells through a series of chemical reactions.
Most of the ATP is produced in mitochondria through a series of reactions. Most of the energy production occurs in the folds or cristae of the inner membrane. Mitochondria convert the chemical energy from our food into forms of energy that cells can use. This process is called oxidative phosphorylation.
Mitochondria are known as the powerhouse of the cell. Mitochondria are small organelles present in cells that are involved in extracting energy from food. Cellular mitochondria are responsible for respiration.
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which of the following is not a feature of natural selection?
Answers
Answer:
naturally living organisms
n the circles, show the alleles in the gametes of the parent generation. Show how the alleles recombine in the F1 plants.
Answers
The first generation of parents to cross is referred to as the parenting generation.
What is Parent generation?The offspring's genotype would be predicted based on the genotypes of the parents (F1 generation) Mendel's research on inheritance, or passing genetic traits from one generation to the next, began with the P generation.
In essence, it refers to characteristics or genes that are passed down from one generation of parents to their kids.
Parental generation is the first generation involving two individuals that are mated to foresee or analyze the genotypes of their offspring. Their probable set of offspring would constitute the so-called first filial generation (or F1 generation).
Therefore, The first generation of parents to cross is referred to as the parenting generation.
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what will most likely happen if the plankton population decreases in this ocean system?
Answers
Answer: here
Explanation: If the plankton population decreases, there will be less food available for the shrimp. 2. As a result, the shrimp population may also decrease due to lack of food.
hope this helps
how can a point mutation impact and organism
Answers
Answer:
it can be a hard like thing to get it from each
Select the correct answer.
What is evolution?
Evolution explains how life on Earth diversified.
Evolution explains why Earth can support life.
Evolution explains how life on Earth began.
Evolution explains how fossils form.
Answers
Answer: Evolution explains how life on Earth diversified (through natural selection, and other evoloutionary processes).
The Abert's squirrel is native to the southern Rocky Mountains and down into Mexico. The Kaibab squirrel is a subspecies that
evolved from a common ancestor of Abert's squirrel and lives on the north rim of the Grand Canyon.
Which option most likely describes the mechanism that led to the evolution of the Kaibab squirrel?
O Radiation introduced genetic mutations quickly into the Kaibab squirrel.
O Migrants exchanged genetic info between the Kaibab and Abert's squirrels.
O Geographic isolation cut off gene flow with the Abert's squirrel.
O The Kaibab squirrel interbred with other rodents in the Grand Canyon.
Answers
The most likely mechanism that led to the evolution of the Kaibab squirrel is Geographic isolation cut off gene flow with the Abert's squirrel.
option C.
How does the squirrel evolve?The Kaibab squirrel is a subspecies that evolved from a common ancestor of Abert's squirrel and lives on the north rim of the Grand Canyon, which is geographically isolated from the southern Rocky Mountains where the Abert's squirrel lives.
This geographic isolation prevented gene flow between the two populations, which can lead to genetic divergence and ultimately speciation. Over time, genetic differences can accumulate in the isolated population, leading to the evolution of distinct subspecies or species.
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Which part of the cell control the cell activities
Answers
Answer: The answer would be nucleus.
Explanation:
The nucleus is well known for the command center. That’s how you get the answer.
Answer:
the nucleus
Explanation:
What is A trait that makes it more likely that an individual will survive in a specific environment *
Answers
Answer:
I assume this is the assignment about investigating changes in trait distribution? if I,m rightcompare and contrast respiration In insect and fish?
Answers
Answer:
insect is small and lives on land and the fish lives in water
Explanation:
..................
Why do we need human dna
Answers
DNA. Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions for the development and function of living things.
All known cellular life and some viruses contain DNA. The main role of DNA in the cell is the long-term storage of information.
We need human DNA since it give us the long term info storage, which is needed
DNA contains instructions for development, survival, and reproduction. DNA sequences must be translated into signals to make proteins, which do most of our body's job.
What is human genome?DNA stores the instructions that are necessary for an organism to grow, maintain its existence, and reproduce itself. In order for these duties to be carried out, the sequences of DNA need to be transformed into messages that can be utilized in the production of proteins. Proteins are the complex molecules that are responsible for the majority of the work that is done in our bodies.
The human genome is comprised of all of the nucleic acid sequences that are found in humans. These sequences are stored as DNA within the 23 chromosome pairs that are found in the nucleus of cells, as well as in a tiny DNA molecule that is located within the mitochondria of each individual cell. In most cases, these are considered to be two distinct components: the nuclear genome and the mitochondrial genome.
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A species of frog lives in a forest. A snake species moves to the ecosystem where the frogs live and begins to hunt the frogs. Using your
understanding of natural selection, what is the most likely explanation of what will happen to the frog population when the snakes, who
are predators and will hunt the frogs, move into the ecosystem?
O A. Some of the frogs would try to develop new traits to avoid the predator and pass those on traits to offspring, and the other frogs
would die.
OB. All of the frogs would try to develop new traits to be able to avoid the predator, and they will all survive and pass on their new
traits to offspring.
OC. The frogs that were born with traits that allow them to avoid the snake would be more likely to survive and reproduce, and the
frogs that are not would be less likely to survive and reproduce.
o D. Since all of the frogs have identical traits, they would all be equally good or bad at avoiding the snake and so they would all survive
and reproduce or they all would die.
Answers
Answer:
The answer is C
Explanation:
Natural selection is the process in nature by which organisms better adapted to their environment tend to survive and reproduce more than those less adapted to their environment.
When the snakes moved in, the environment changed. The frogs that have the traits to avoid the snakes will be able to adapt to this change and survive and reproduce. Those without these traits will be found by and eaten by the snakes.
What does "the process of making more of the same producing offspring" called?
Thanks..
Answers
Ryan is experimenting with core materials for an electromagnet. He slides different core materials through a coil of current-carrying wire. Sort the core materials based on whether they will or won’t increase the strength of Ryan’s electromagnet.
Answers
Answer:
Electromagnets are basically coils of wire which behave like bar magnets with a distinct north and south pole when an electrical current passes through the coil. The better the conductivity of the material the bigger the strength of Ryan's electromagnet.
The material is sorted as follows:
1. C) silver - the best conductor
2. E) iron
3. D) nickel
4. C) steel
5. F) glass-insulator
5. A) wood-insulator
Insulators do not conduct electricity.
Explanation:
What Would Happen to the Carrying Capacity?
What Would Happen to the Carrying Capacity of the Ecosystem, and Why?
A volcano covers an area with 2 feet of lava.
Heavy rains cause a mudslide that destroys the plant life in a mountainous area.
A hurricane destroys the bayou where sawgrass grows, which many insects eat.
A company buys an area of forest and decides to cut down the trees and bushes to build a new neighborhood.
PLZZ HELP THIS IS DUE SOON
Answers
Answer:
In all of these the carrying capacity would go down substantially
Explanation:
This is because these natural disasters are very detrimental to the environments and would decrease life.
In all the below conditions the carrying capacity would go down substantially.
What is ecosystem?An ecosystem have each and every organism and the relation between physical environment by which they interact. The function of ecosystem is to satisfy the need of humans by supplying them services and goods from nature.Ecosystem is the system in which both living as well as nonliving organisms are present in a particular location.
There are various types of ecosystem such as Grassland ecosystem, Tundra ecosystem, Desert ecosystem, Forest ecosystem. Biodiversity is all the different kinds of life living in a particular area like the variety of animals, plants, fungi and microorganisms like bacteria and virus that plays a major role in framing of natural world usually three levels of biodiversity are observed and these are genetic species, and ecosystem diversity.
Therefore, In all the below conditions the carrying capacity would go down substantially.
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Select the correct locations in the images.
Among pea plants, we see more peas with smooth pods than with constricted pods. If a plant with constricted pods is mated with a plant with smooth pods, the offspring have smooth pods. When the offspring mature, and two of them are mated, they have a 25 percent chance of producing offspring with constricted pods. Identify the offspring with homozygous alleles for the smooth pod trait.
Answers
Based on the information you provided, I can explain the concept of homozygous alleles for the smooth pod trait.
In the given scenario, if a plant with constricted pods (which is likely heterozygous for the trait) is mated with a plant with smooth pods (which is likely homozygous for the trait), the resulting offspring with smooth pods would be heterozygous for the trait.
Homozygous alleles refer to having two identical alleles for a particular gene. In this case, if the offspring with smooth pods from the initial mating are mated with each other, there is a 25 percent chance that they will produce offspring with constricted pods. This suggests that the parents must have carried a recessive allele for the constricted pod trait.
To identify the offspring with homozygous alleles for the smooth pod trait, you would need additional information or data on the genetic makeup or genotypes of the specific plants involved in the mating process.
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The plants that have homozygous alleles for the smooth pod trait are those identified with SS.
How to identify the plants with homozygous alleles for the smooth pod trait?To begin, if there are homozygous alleles, this implies the alleles are identical, which means the letters representing the alleles would be identical as well.
Moreover, the allele for the smooth pod trait is a dominant allele as this is the allele expressed if combined with constricted pods. Based on this, the allele should be represented in capital letters as SS.
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in which type of joint does a slightly flexible interosseous ligament bind the bones? a) syndesmosis b) suture c) gomphosis d) synchondrosis
Answers
Answer:
A. Syndesmosis
Explanation:
Hope this helps!
Jocelyn Smith is an excellent singer. In fact, she has a band called Jocelyn Smith and
Friends that play often on the local music scene. She has a gig in two days at the County Fair where several talent scouts will be present. Jocelyn feels this may be her big break.
She wakes up two days before her event with what feels like a head cold. You know the symptoms—cough, runny nose, headache, chills, and muscle aches. As the day progresses, Jocelyn begins to feel worse. The day before her gig she wakes with a fever of 103˚F, a severe sore throat, and all of the same symptoms as yesterday.
Our job is to discover why Jocelyn is feeling so ill. Is it because of the infectious agent or is it her own body that is making her sick? To discover the answer, we will go through the steps of the immune response.
We will assume that Jocelyn has Influenza A virus.
Upon initial infection, the innate immune system responds with _______.This process involves the infected area of the body becoming very warm. The warmth comes from physiologic responses that are triggered to combat the infection. When a breech occurs in the physical barriers of the body (i.e. skin or mucus membranes), the innate immune response follows a set of steps to contain the infection.
Step 1. Increase the amount of white blood cells that will get to the area of infection.
How can this be done?
What physiologic response, if increased, will allow more white blood cells to get to the area of infection?
Step 2. Now that the cells are at the site of infection, they need to migrate to the specific area. We increased heart rate to get the cells to the area (by pumping the heart faster, more white blood cells will be able to get to the site of infection faster through the vasculature).
How do cells get out of the vessels?
Step 3. The cells that were initially infected are releasing immune chemicals called chemokines. These specialized immune chemicals are designed to create a trail for white blood cells to follow. The greatest concentration of these chemokines are at the site of infection and the concentration tapers off as the molecules move to the vessels.
Using this information, how do you think white blood cells move to the site of infection?
Answers
The innate immune response helps recruit and direct white blood cells to the site of infection, allowing them to combat the infectious agent and initiate the immune response.
The innate immune system inflames upon infection. This procedure heats the diseased region. When the skin or mucus membranes break, the innate immune response kicks in to confine the infection.
Step 1: Increase white blood cell flow to the infection.
Increase blood flow to the diseased region. Blood flow brings additional white blood cells to the infection location. Vasodilation—widening blood vessels—can improve blood flow.
Step 2: Cells must move from vessels to the target.
Diapedesis (extravasation) lets cells leave blood arteries. White blood cells enter contaminated tissue through blood vessel walls.
Step 3: Chemokines guide white blood cells to the infection. Chemokines secreted by infected cells form a gradient with the highest concentration near the infection site. White blood cells follow this gradient to the infection site.
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Homologous Structures Relate to...
O Different People Studying Evolution
O Different Building Where Evolution is Studied
O Different Animals with Similar Structures
Similar Animals with Different Structures