The viral attachment protein, which is present on the surface of the virion and binds to particular receptors on the surface of the host cell, is the structure on the virion that attaches it to the host cell.
For the virion to enter the host cell and start the infection process, this interaction between the viral attachment protein and the host cell receptor is essential. The cell structure of both the host cell and the virion has an impact on this process.
The structure on the virion that attaches the virion to the host cell is called the "glycoprotein spike" or "surface protein." These glycoprotein spikes are present on the surface of the virion and help it bind to specific receptors on the host cell, facilitating entry and infection.
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Ecology webquest
1) Explain how the last food chain represents a full circle of life.
2) Diagram the water cycle
3) Write three to five sentences describing what you learned:
Answer:
1) At each link in the chain, energy is being transferred from one animal to another. ... So food chains make a full circle, and energy is passed from plant to animal to animal to decomposer and back to plant! There can be many links in food chains but not TOO many
2) Collection.Evaperation .Condesation. Precipitation
what is the relationship between the cytoplasm and nucleus of a cell
Answer:
The nucleus is a cell's central organelle, which contains the cell's DNA (Figure 3.6). The cytoplasm is composed of two parts, the cytosol and organelles. Cytosol, the jelly-like substance within the cell, provides the fluid medium necessary for biochemical reactions.
Explanation:
Directions: Select all the correct answers.
Which of the following details are presented in the body of the passage and in the accompanying chart?
-Oxygen is a product of photosynthesis.
-Photosynthesis uses energy from the Sun.
-The products of cellular respiration are carbon dioxide and water.
-Photosynthesis and cellular respiration are interdependent.
-Glucose is a product of photosynthesis.
Photosynthesis and cellular respiration are interdependent.
What is cellular respiration?
Cellular respiration is a metabolic process by which cells convert nutrients, such as glucose, into energy in the form of ATP (adenosine triphosphate). This process occurs in all living cells and is essential for the survival of living organisms.The process of cellular respiration occurs in three main stages: glycolysis, the Krebs cycle, and the electron transport chain. During glycolysis, glucose is broken down into pyruvate and a small amount of ATP is produced. The Krebs cycle then uses the pyruvate to produce more ATP and energy-carrying molecules like NADH and FADH2. Finally, in the electron transport chain, NADH and FADH2 are used to produce a large amount of ATP.To know more about cellular respiration, click the link given below:
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Describe How fossils provide evidence of evolution.
Why is it important to rely on factual evidence when classifying organisms?
Answer:
because it helps us to understand the relationship, similarities, and differences between the individual type of organisms
Explanation:
because it helps us to understand the relationship, similarities, and differences between the individual type of organisms
hope that helped :)
What is the purpose of a dichotomous key? (Select all that apply.)
to find a common ancestor
to identify organisms
to show the evolution of organisms
to show evolutionary relationships between organisms
MORE THAN ONE COULD BE THE ANSWER!!
Which step is shown?
transpiration
translocation
transcription
translation
The given question is incomplete, and as there is two steps present in protein synthesis, attaching the the image related the question to answer.
Answer:
The correct answer is : translation.
Explanation:
Translation is the second essential step of the central dogma or the protein synthesis process that is takes place in the ribosomes of the cell, Ribosome reads decode the codon, a sequence of 3 sequence. tRNA comes with the anticodon to the codons that are present on ribosome in order to bind the amino acids to it.
The amino acid that was brought by the tRNA is detaches itself as it bind to the polypeptide chain forming on ribosome to create polypeptide chain, this process repeats itself up-to the stop codon.
Thus, the correct answer is : translation.
Answer:
translation
Explanation:
the folded organelle just outside of the nucleus that is covered in ribosomes and plays a role in protein synthesis is called the:
Answer:
endoplasmic reticulum (ER)
Explanation:
A contracting skeletal muscle fiber typically shortens as all of its ______ shorten in length.
Answer:
sarcomeres
Explanation: A contracting skeletal muscle fiber typically shortens as all of its sarcomeres do this.... Thick and thin protein filaments in sarcomeres interact to cause.... True or false, thick and thin filaments maintain their same length whether the muscle is relaxed or contracted?
Sickle cell anemia is known to run in a family. A pedigree chart for this family is shown below.
The parents are shown at the top and from left to right appear as a half-shaded circle labeled 1 next to a half-shaded square labeled 2. The two are connected by a straight line. Below the parent pair is a vertical straight line connecting to the next row of circles and squares which are the offspring. Starting from left an unshaded square labeled 1, half-shaded circle labeled 2, another half-shaded circle labeled 3, and a completely shaded square are shown labeled 4. All of these are also connected by a horizontal straight line.
What best describes offspring 4?
A female carrier of the disease
A female having the disease
A male carrier of the disease
A male having the disease
Answer:
A male having the disease
Explanation:
A male is a square, and if it is shaded it means that the male has the disease.
Answer:
A male that have a disease
Explanation:
hi can someone pls help me
Answer:
B
Explanation:
What happened in the F2 generation of Mendel's crosses?
Answer:
from the F1 generation the cross pollination of two parent which contain all purple flower.In the F2 generation from self pollination of F1 plants and contain 75% purple flower and 25% white flowers
what are three ways that substances can be described?
Answer:
chemical name, for example, benzene;
number, for example, EC number 200-753-7, and.
chemical composition, for example, >99 % benzene and <1 % toluene. The composition is determined by chemical analysis.
Explanation:
hope thishelps!
natural selection is based on all of the following except question 27 options: a) individuals who survive longer tend to leave more offspring than those who die young. b) individuals need to adapt to their environments and, thereby, evolve c) genetic variation exists within populations. d) the best-adapted individuals tend to leave the most offspring.
The correct is option (c), as In natural selection individuals do not need to adapt to their environments and, thereby, evolve.
Natural selection is a process through which a population with favourable set of characters is selected by the nature to survive over those individual who lacks them. A population is comprised of varied number of individual having a wide variety of chromosomes and allels for a single trait. Due to this variation some characters are more favoured by the environment and thus get selected. These are regarded as the elements of natural selection's evolutionary mechanism.
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What is neuroception and how does it work?
Neuroception is a term coined by Dr. Stephen Porges, which refers to the subconscious detection and interpretation of cues in the environment by the nervous system, particularly the autonomic nervous system.
It is the ability of the body to sense and respond to threat, safety, and social engagement cues in the environment, even without conscious awareness. This process occurs in the background of our brains, below our conscious awareness, and allows us to determine whether a situation is safe or dangerous.
Neuroception works by constantly scanning the environment for cues that indicate safety, danger, or social engagement. This process is carried out by the autonomic nervous system, which is responsible for regulating our physiological responses to stress and emotion. When the autonomic nervous system detects a cue that indicates danger, such as a loud noise or an aggressive gesture, it triggers a stress response, activating the sympathetic nervous system and releasing stress hormones. On the other hand, when the autonomic nervous system detects a cue that indicates safety or social engagement, such as a friendly smile or a warm touch, it triggers the parasympathetic nervous system, promoting relaxation and social bonding.
Neuroception is an automatic and unconscious process that can be influenced by past experiences and learning. For example, if a person has experienced trauma or abuse in the past, they may have a heightened sensitivity to cues of danger and be more likely to perceive neutral or ambiguous situations as threatening. Understanding neuroception is important in many fields, including psychology, neuroscience, and education, as it can help us better understand how individuals perceive and respond to their environment, and develop interventions to promote a sense of safety and well-being.
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any ideas? thanks for the help!
Answer:
pretty sure its c
Explanation:
dont forget to five-star and heart! :)
Which two main processes take place to produce proteins?.
Answer:
Protein synthesis is a two-step process that involves two main events called transcription and translation.
Explanation:
Protein synthesis is a two-step process that involves two main events called transcription and translation.
The construction of a new coal-burning power plant would have the greatest impact on which environmental issue?.
Answer:
Climate Change
Explanation:
Climate change is coal’s most serious, long-term, global impact. Chemically, coal is mostly carbon, which, when burned, reacts with oxygen in the air to produce carbon dioxide, a heat-trapping gas. When released into the atmosphere, carbon dioxide works like a blanket, warming the earth above normal limits.
one effect of washing regularly with antibacterial agents is the removal of normal microbiota. this can result ingroup of answer choicesincreased susceptibility to disease.fewer diseases.normal microbiota returning immediately.body odor.
One effect of washing regularly with antibacterial agents is the removal of normal microbiota, which are the beneficial microorganisms that live on and inside our body and play a crucial role in maintaining our health.
Therefore, the correct answer from the provided group of answer choices is "increased susceptibility to disease.
One effect of washing regularly with antibacterial agents is the removal of normal microbiomicrobiotata, which are the beneficial microorganisms that live on and inside our body and play a crucial role in maintaining our health. This can result in increased susceptibility to disease because the normal microbiota help to protect us from harmful pathogens by competing for resources and producing antimicrobial compounds.
Therefore, the correct answer from the provided group of answer choices is "increased susceptibility to disease." Removing the normal microbiota can also disrupt the delicate balance of microorganisms in our body, which can lead to other problems such as overgrowth of harmful bacteria or fungi, skin irritation, and allergies. It is important to maintain good hygiene practices, but excessive use of antibacterial agents should be avoided to preserve the normal microbiota.
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Why do you think sundews need to capture insects?
A. The sundew is unable to make enough food.
B. The insects provide water to the plant.
C. The sundew is protecting itself from insects.
D. The insects provide nutrients that are missing from the soil.
Answer:
d
Explanation:
Some plants eat insects because they don't get enough of nitrogen from the soil and to regulate the amount of nitrogen they eat insects. These plants are called Insectivorus plants.
Answer:I think sundew is a carnivorous plant isn't it?Then it must be its nature to capture insect and eat them.
Explanation:I don't say you must have to mark my ans as brainliest but my friend if it has helped you a lot then don't forget to thank me...
Matching Responses and Stimuli
wpUp
Match each stimulus with the most likely response.
smelling rotten eggs
pulling your hand away
covering your nose
touching a hot dish
OOO
shivering
jumping into a cold pool
Done
Intro
Activity
Answer:
smelling rotten eggs - covering your nose
touching a hot dish - pulling your hand away
jumping into a cold pool - shivering
Explanation:
A stimulus generally refers to a detectable change in the environment of an organism. These changes could be physical or chemical and could be in the internal or external environment of organisms.
Organisms react to changes in their internal or external environment by responding appropriately. Hence perceiving the smell of rotten egg, feeling the hotness of a dish by touching it, and feeling cold immediately one jumps into a cold pool are all examples of stimuli and their corresponding responses would be covering one's nose, pulling the hand away, and shivering of the body in order to counter the cold.
In other words:
smelling rotten eggs - covering your nose
touching a hot dish - pulling your hand away
jumping into a cold pool - shivering
Read it carefully and answer it.
Answer:
1) types of music - independent
performance in doing homework - dependent
person - control
2) period of time - control
number of flowers - dependent
types of rose bushes - independent
Explanation:
describe the normal respiratory movements. note the characteristics of the trace such as the rate, and the relative durations of inspiration (breathing in) and expiration (breathing out).
The normal inspiration and respiration time ratio 1:2 to 1:3 which means that respiratory phase is 2 time longer than inspiratory phase.
Respiratory movements are held by two phases.
1. Inhalation( breath in )
2. Exhalation(breath out)
The normal respiration rate for an adult at rest is 12 to 20 breaths per minute if the respiratory rate is under 12 or above 25 then we can say that it is abnormal.
When pneumotaxic signal is strong than inspiration might last as little as 0.5 second when pneumotaxic signal is weak than inspiration might continue for 5 or more seconds thus filling the lungs with greater amount of air.
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which sequence represents structures organized from most complex to least complex
The correct sequence that represents structures organized from the most complex to the least complex is oak tree-leaf- guard cell- chloroplast.
A tissue is made of groups of the same kind of cells with a common structure and function. An organ is a structure that contains at least two different types of tissue functioning together. These are called level of organization .
In plants the cells have cell wall which is the more complex , hence it is considered as most complex structure .The body of a multicellular organism, such as a tree or a cat, exhibits organization at several levels that includes tissues, organs, and organ systems .
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In the 1890s, Northern elephant seals were hunted almost to extinction. An unknown population of less than one hundred animals managed to survive on the tiny island of Guadalupe off of Mexico. The current population of over 100,000 is thought to be derived from that tiny remnant population. Compared to the Southern elephant seals (which did not experience such a bottleneck), the Northern elephant seals likely have (Click to select) genetic diversity and (Click to select) levels of genetic diseases.
Complete question:
In the 1890s, Northern elephant seals were hunted almost to extinction. An unknown population of less than one hundred animals managed to survive on the tiny island of Guadalupe off of Mexico. The current population of over 100,000 is thought to be derived from that tiny remnant population. Compared to the Southern elephant seals (which did not experience such a bottleneck), the Northern elephant seals likely have -------- (Lower - Higher) genetic diversity and -------- (Lower - Higher) levels of genetic diseases.
Answer:
In the 1890s, Northern elephant seals were hunted almost to extinction. An unknown population of less than one hundred animals managed to survive on the tiny island of Guadalupe off of Mexico. The current population of over 100,000 is thought to be derived from that tiny remnant population. Compared to the Southern elephant seals (which did not experience such a bottleneck), the Northern elephant seals likely have Lower genetic diversity and Higher levels of genetic diseases.
Explanation:
Genetic drift is the random change that occurs in the allelic frequency of a population through generations. The magnitude of this change is inversely related to the size of the original population. These changes produced by genetic drift accumulate in time. Eventually, some alleles get lost, while some others might set. Genetic drift affects a population and reduces its size dramatically due to a disaster or pressure-bottleneck effect- or because of a population split -founder effect-.
In the exposed example, extensive hunting acted as a pressure that reduced the number of Northern elephant seals to fewer than 100. This population experienced one or many generations of small size since these animals were affected by hunting. As the survivors did not have the whole genetic pool of the original population, the population size might have recovered to a current population size of 1000,000 individuals, but the genetic pool might have not. When the small population increases in size, it will have a genetically different composition from the original one. In these situations, there is a reduced genetic variability, with a possibility of developing a peculiar allelic component. If the survivors in the population carried or developed a mutation, probably this mutation passed from generation to generation. It will involve more individuals each time and increase the probability of developing a genetic disease.
Breathing is controlled solely by the medulla oblongata and pons. FALSEThe rate of oxygen diffusion is affected by the pressure gradient of carbon dioxide. FALSEAccording to the Bohr effect, a low level of oxyhemoglobin enables the blood to transport more CO 2 .FALSEHemoglobin releases the same amount of oxygen to all the tissues regardless of variations in their metabolic rate. FALSE(could you explain these questions? thank you. )
In the lungs' millions of alveoli and the capillaries that surround them, gas exchange occurs. As seen in the diagram below, breathed oxygen travels from the alveoli to the capillaries' blood, while carbon dioxide travels from the capillaries' blood to the air in the alveoli.
Oxygen is carried by the air we breathe, which raises the amount of oxygen in the blood that circulates throughout the body. The blood's levels of carbon dioxide rise as it travels back to the lungs, discharging it from there and into the atmosphere. In order to increase the rate of diffusion, breathing in and out (a ventilation mechanism) maintains a sharp concentration gradient between the oxygen (and carbon dioxide) in the alveoli and the blood.
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How are the functions of the small intestine and the large intestine different? A: The small intestine absorbs nutrients and wastes out of the digested food, while the large intestine produces a digestive juice to break down the food. B: The small intestine breaks down food into a thin mixture containing nutrients, while the large intestine absorbs water from the food mixture and turns it into solid waste. C: The small intestine provides oxygen to the digested food before it goes to the rest of the body, while the large intestine absorbs nutrients and wastes from the food mixture. D: The small intestine pumps food and nutrients throughout the body, while the large intestine turns the digested food into a thin liquid mixture. PLS HELP
Answer:
B: The small intestine breaks down food into a thin mixture containing nutrients, while the large intestine absorbs water from the food mixture and turns it into solid waste.
Explanation:
Small intestine and large intestine are the important organs of digestive system in the human body. The small intestine functions by absorbing the nutrients of the simpler form of food. After absorbing the nutrients, the residue left is passed to the large intestine. The large intestine absorbs the water and further helps in eliminating the feces. It do not produces any enzyme to break the food unlike the small intestine. The process of digestion is completed by the small intestine.
Answer:The small intestine breaks down food into a thin mixture containing nutrients, while the large intestine absorbs water from the food mixture and turns it into solid waste. (B. I just took test got it right.)
Explanation:
(13.02 MC)
How are the functions of the small intestine and the large intestine different? (2 points)
Group of answer choices
The small intestine absorbs nutrients and wastes out of the digested food, while the large intestine produces a digestive juice to break down the food.
The small intestine breaks down food into a thin mixture containing nutrients, while the large intestine absorbs water from the food mixture and turns it into solid waste.
The small intestine provides oxygen to the digested food before it goes to the rest of the body, while the large intestine absorbs nutrients and wastes from the food mixture.
The small intestine pumps food and nutrients throughout the body, while the large intestine turns the digested food into a thin liquid mixture.
This is one of the \( 8 \mathrm{C} \) 's of research where the DMO can clear up any misconceptions regarding a particular destination? Select one: a. Conference b. Contest c. Collaboration d. Course
Among the 8 C's of research, collaboration is one where DMO (Destination Marketing Organization) can clear up any misconceptions regarding a specific destination.
What is DMO?
DMO (Destination Marketing Organization) is an agency responsible for promoting a tourist destination to potential visitors. The DMO's primary responsibility is to develop and execute strategic marketing strategies to attract tourists to the destination. They are in charge of promoting tourist destinations to potential visitors, assisting in the development of tourism infrastructure, and working with other agencies to create tourism policies.8 C's of Research:
The 8 C's of research are the fundamental principles that researchers follow when conducting market research.
They are as follows:
1. Clear
2. Complete
3. Concise
4. Concrete
5. Correct
6. Considerate
7. Courteous
8. Confidential
Collaboration: It is the most effective way for DMO to clear up any misconceptions regarding a particular destination. By working closely with local businesses, tourism organizations, and community leaders, DMO can build a shared understanding of the destination's attractions, which is critical for effective tourism marketing.
A collaboration between DMO and local tourism businesses is beneficial because it enables both parties to pool their resources, resulting in a stronger marketing campaign that promotes the destination's unique attractions and increases visitor traffic.
In conclusion, Collaboration is one of the 8 C's of research where DMO can clear up any misconceptions regarding a particular destination. By working closely with local businesses, tourism organizations, and community leaders, DMO can build a shared understanding of the destination's attractions, which is critical for effective tourism marketing.
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Pls I need help with this question they didn’t say anything about it
Answer:
I don’t know
Explanation:
what enzyme catalyzes the slowest step of oxidative decarboxylation of pyruvate?
The enzyme pyruvate dehydrogenase (PDH) catalyzes the slowest step of oxidative decarboxylation of pyruvate.
The oxidative decarboxylation of pyruvate is an important step in cellular respiration, where pyruvate, the end product of glycolysis, is converted into acetyl-CoA, which enters the citric acid cycle. This process occurs in the mitochondria.
The oxidative decarboxylation of pyruvate involves multiple enzymatic reactions, but the slowest step is catalyzed by the enzyme pyruvate dehydrogenase (PDH). PDH removes a carboxyl group from pyruvate, releasing carbon dioxide (CO₂) and generating acetyl-CoA.
The reason for this step being the slowest is that it involves complex enzymatic reactions and requires the involvement of multiple cofactors, such as thiamine pyrophosphate (TPP), lipoic acid, and Coenzyme A (CoA). Additionally, the regulation of PDH activity through phosphorylation and dephosphorylation adds another layer of control to the overall process.
The slow rate of the PDH-catalyzed step ensures proper control and regulation of the oxidative decarboxylation process, allowing for the efficient utilization of pyruvate and subsequent energy production through the citric acid cycle and oxidative phosphorylation.
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