In what way are the glycoproteins on SARS-CoV involved in its ability to infect humans?
A.
The glycoproteins help the virus move around the human respiratory tract so it can damage the lungs.
B.
The glycoproteins help the virus travel in the air so it can spread among humans.
C.
The glycoproteins interact with receptors on a human cell so the virus can enter the cell.
D.
The glycoproteins interact with a human cell's DNA replication machinery so the virus can replicate.
Answers
Answer:
C
Explanation:
glycoproteins are like keys of a door. they are exhibiting mutual identification between cells. viruses lockpick these glycoproteins and enter the host cell.
Related Questions
I need help with this practice In your own words, give a general description of the species: Blue Jay Please,(If you use any words that are not your own, please reword it to your own words) as I would like you to explain it
Answers
The Cyanocytta crystal commonly known as a Blue jay is native of eastern North America, it lives in deciduous and coniferous forests, though can be found in certain urban areas. It feeds mostly on seeds, sometimes even stockpile generating seed banks, or on rare occasions can feed on small invertebrates and vertebrates si can be considered as mainly a primary consumer.
Mira analyzed oxygen and carbon dioxide in inhaled and exhaled air. She found that the percentages of both gases were different
in each.
What other gas would most likely also have different amounts in inhaled and exhaled air?
ozone (O3)
hydrogen (H)
water vapor (H20)
sulfur dioxide (S02)
Answers
Water vapor (H2O) would most likely have different amounts in inhaled and exhaled air.
Water vapor is a component of the air we breathe, and its concentration can vary depending on various factors such as humidity and temperature. When we inhale air, it can contain varying levels of water vapor depending on the surrounding environment. However, during exhalation, the air we breathe out usually has a higher concentration of water vapor because our respiratory system adds moisture to the air as we exhale. This difference in water vapor content between inhaled and exhaled air is a natural physiological process in the respiratory system.
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What is the best way to determine family relationship between two individuals?
a. Comparing their blood types.
b. Comparing their genes.
c. Comparing their fingerprints.
d. Comparing their appearances
Answers
b. Comparing their genes.
what is released as a byproduct of photosynthesis
Answers
Answer:
oxygen is released as a byproduct of photosynthesis.
Explanation:
Answer:
carbon dioxide
Explanation:
According to catastrophists what was the rate of geological change?
Answers
Which situation will most likely result in a substance diffusing into a cell?
a. The pH of the substance is different from the pH of the cell.
b. The cell is a plant cell and possesses a cell wall and a plasma membrane.
c. The concentration of the substance is greater inside the cell than outside.
d. The substance is a mixture of large organic molecules.
Answers
The concentration of the substance is greater inside the cell than outside situation will most likely result in a substance diffusing into a cell.
The correct option is C.
What is cell and types of cell?Like in the case of bacteria and protozoans, a single cell can be a whole organism in and of itself. In multicellular creatures like higher plants and animals, specialised cell groups are arranged into tissues and organs. Prokaryotic cells and eukaryotic cells are two different kinds of cells.
Why are cells important?Cells provide the structure and functionality of all living organisms, including germs and humans. Scientists consider them to be the smallest form of life. Cells contain the biological machinery that produces the protein, hormones, and signals necessary for every body function.
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the informed consent form may be signed by the patient after they have been given sedation medication.(True/False)
Answers
The statement “The informed consent form may be signed by the patient after they have been given sedation medication” is False.
What is informed consent? Informed consent is the process of giving permission for a medical procedure or treatment after receiving all of the relevant information concerning it. A properly executed informed consent form documents this agreement. The informed consent form may be signed by the patient before any procedure or treatment is given. This is to ensure that the patient is aware of the potential risks and benefits of the procedure. A sedation medication can alter a patient's decision-making ability. Therefore, it is not recommended that a patient sign an informed consent form after they have been given a sedation medication, as they may not fully comprehend the information given to them.
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which molecules does a plant need to make glucose in the process of photosynthesis?choose all correct answers.
Answers
Answer:
water and carbon dioxide into glucose ....
Explanation:
During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil.
1.photosynthesis
2.chlorophyll
3.sun light
4.carbon dioxide
Plants need several molecules to make glucose during the process of photosynthesis. The correct answers include:
Carbon dioxide (CO2): Plants take in carbon dioxide from the air through small openings called stomata on their leaves.
Water (H2O): Plants absorb water from the soil through their roots and transport it to their leaves.
Sunlight: The energy from sunlight is captured by chlorophyll, a pigment found in the chloroplasts of plant cells, and is used to power the photosynthesis process.
Chlorophyll: Chlorophyll is a green pigment found in the chloroplasts of plant cells that absorbs light energy and converts it into chemical energy, which is used to make glucose.
Therefore, the correct answer is (1) Carbon dioxide, (2) Water, (3) Sunlight, and (4) Chlorophyl
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Viruses are not considered living organisms. Which of the following choices explains that?
F.Viruses only contain molecules.
G.Viruses contain genetic material.
H.Viruses are active only in their host.
I.Viruses have an outer and inner core.
Answers
Answer:
H. Viruses are only active in their hosts.
Viruses are abiotic because they are not made of cells and do not have a cytoplasm. All living things are made of 1 or more cells. Viruses can only be active inside a host, although they are still not, "living" even then.
Hope this helps! Have a great day. ♣
Which of the following is not a good way to manage stress?
A. Get enough sleep
B. Eat a healthful diet.
C. Spend most of the time alone.
D. Get plenty of exercise.
Answers
The easiest answer that can be chosen would be C. Spending time alone often worsens stress and will allow your thoughts and feelings to be isolated and not get the reassurance you may need from family or friends. Being a others will often help with stress and improve your overall mental state.
Getting enough sleep is CRUCIAL to management of thoughts and feelings (think about it, when you don’t get enough sleep you get cranky and in a bad mood). Eating a healthful diet will make you feel overall better physically and mentally and your body is getting the correct nutrients it needs to survive, junk food will make you feel oily, exhausted quickly, and overall not energized. Lastly, getting exercise has been PROVEN to reduce stress, if you ever need to get things off your head you should always just take a jog and enjoy the beauty of the outdoors and relax and calm yourself.
what organelle is labeled K in figure 7-4 and what is the function of this organelle?
Answers
Answer:
I think that will be the Cell membrane to keep the organelles inside the cell and other materials out of the cell
Explanation:
function:
-Helps organisms maintain homeostasis by being selectively permeable
or
-Helps organisms maintain homeostasis by choosing what may or leave the cell
What is the function of sugar in DNA?
Answers
The sugar molecule in DNA is called deoxyribose, and it has an important function as it serves as a component of the nucleotides that make up the DNA molecule.
The sugar molecule in DNA provides the backbone for the nucleic acid chain. The deoxyribose sugar molecule in DNA has a five-carbon ring structure, and the phosphate groups attach to the 5' carbon of one sugar molecule and the 3' carbon of the adjacent sugar molecule. This creates a sugar-phosphate backbone for the DNA molecule.
The nitrogenous bases (adenine, guanine, cytosine, and thymine) are attached to the 1' carbon of each sugar molecule, and they form the rungs of the DNA ladder by pairing up in specific ways (adenine with thymine and guanine with cytosine) through hydrogen bonding.
Together, the sugar, phosphate, and nitrogenous base molecules make up the nucleotides that form the DNA molecule. The specific sequence of these nucleotides in DNA carries the genetic information that is passed from one generation to the next.
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Brown and White are codominant in Cows. A hetrozygote cow that has both brown and white spots is called a Roan Cow (BW). Cross two Roan cows together.
Answers
About the question:
I failed to find the complete question. However, in the following box, I will perform the cross and explain the results.
Answer and Explanation:
Due to technical problems, you will find the complete answer and explanation in the attached files
Why is it difficult to fossilize large animals?
Answers
Answer:
The onerous elements of organisms, like bones, shells, and teeth have a far better likelihood of changing into fossils than do softer elements. One reason for this can be that scavengers typically don't eat these elements. onerous elements conjointly decay additional slowly than soft elements, giving longer for them to be buried.
Explanation:
Which statement is true of fungi?
A. Some fungi are parasites of plants & animals, causing diseases.
B. Fungi are all single-celled micro-organisms.
C. Fungi are classified in 5 major groups based on their life cycles.
D. Most fungi can be found in water habitats like ponds & lakes.
Answers
Answer:
A
Explanation:
B Fungi can be single celled or multi celled so they are not all single celled
C is not true, fungi are categorized into 4 classes
D not true fungi grow everywhere, most are not restricted to water
hey i need bio help asap will give crown
Answers
A.) Deoxyribose sugar
B.) phosphate group
C.) Nitrogen base
Please answer as soon as possible!!
Thanks...
Answers
Answer:
for me I'll agree to both statement before and after, because both are true. the first statement is also true as this is one of the process of weathering that can occur, not necessarily relating to the formation of metamorphic rocks
The Lincoln family has 3 children, 1 girl and 2 boys. What is the probability that their 4th child will be a boy?
1/4
1/8
1/2
1/16
Answers
Answer:
1/2
Explanation:
You have a 1/2 chance of having a boy and a 1/2 chance of having a girl.
Unless the question specifies whether or not there is a mutation present with the male parent, it is safe to assume there is a 50/50 shot of having a boy or girl.
Answer:
it sh ng duh ofc di j.g DDT ygfd
define reproduction plz
Answers
Answer:
biological process by which new individual organisms are produced
Answer:
Reproduction is defined as a biological process in which an organism give rise to young ones similar to itself.
hope this will help you more
When rocks are broken down by heat and pressure, chemical weathering has taken place. t or f
Answers
Answer:
f. chemical whetearing occurs when rocks minerals are broken down
Glycolysis is the first step in cellular respiration. Which option best summarizes the process?
A. aerobic; 6-carbon glucose forms four 3-carbon pyruvates; forms a net total of 3 ATP
B. anaerobic; 6-carbon glucose forms two 3-carbon pyruvates; forms a net total of 2 ATP
C. aerobic; 6-carbon glucose forms three 2-carbon pyruvates; forms a net total of 2 ATP
D. anaerobic; 6-carbon glucose forms two 3-carbon pyruvates; forms a net total of 4 ATP
Answers
Explanation:
In both aerobic and anaerobic respiration, glycolysis of 1 glucose molecule (6C) will produce 2 pyruvate (3C).
Glycolysis use 2 ATP and produce 4 ATP, so the net total energy produce is 2 ATP
Glycolysis of 1 glucose molecule also produce 2 NADH
Glycolysis is anaerobic and it involves 6-carbon glucose forming two 3-carbon pyruvate and a net production of 2 ATP.
WHAT IS GLYCOLYSIS?
Glycolysis is the first step of cellular respiration in all living organisms. It involves the breaking down of glucose molecule to form pyruvate molecules and 2 ATP molecules. Glycolysis is an anaerobic process, hence, it does not require oxygen to occur. This is why every living organism can undergo glycolysis.In summary of the process of glycolysis, it is an anaerobic process involving the formation of 3-carbon pyruvate from 6-carbon glucose and a net production of 2 ATP molecules.
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can anyone say the answer
Answers
Answer:
If you were to ask me I would say that your answer is C
Explanation:
Answer:
I would say it's the last one
Explanation:
Use the word bank below to fill in the blanks in the next question. Be careful, spelling counts! histone modification genomic conflict genetic maternal effect genomic imprinting environmental maternal effect DNA methylation induced pluripotent stem cells embryonic stem cells
usually inactivates genes, while We discussed two different types of epigenetic marks for "tags") in lecture. can activate or inactivate genes The hypothesis suggests that there are opposing evolutionary pressures on alleles of maternal versus paternal origin with respect to genes that affect early embryonic and fetal growth. Ideally, the cloning of whole organisms flike pets) should involve because these have very few or no epigenetic markers silencing specific genes. are usually used instead because they are easier to obtain, but they retain epigenetic tags that make cloning less successful The phenomenon in which a gene's expression is determined by its parental origin is called
Answers
DNA methylation usually inactivates genes, while histone modification can activate or inactivate genes. Genomic imprinting is the phenomenon in which a gene's expression is determined by its parental origin. Embryonic stem cells are usually used instead of induced pluripotent stem cells in cloning due to the retention of epigenetic tags that make cloning less successful.
DNA methylation plays a role in gene inactivation by adding methyl groups to DNA, while histone modification can activate or inactivate genes by modifying the histone proteins associated with DNA. Genomic imprinting refers to the phenomenon where gene expression is influenced by the parent of origin. In cloning, embryonic stem cells are preferred over induced pluripotent stem cells due to the retention of epigenetic tags that affect gene expression and may impact the success of cloning.
Learn more about: mechanisms and significance of DNA methylation
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I need this today please help me I’ll help you
Answers
Answer:
3
Explanation:
3 at a time
Answer:
3 bases.
iebdjndidndusoandusidjxjidjduxhdjdhdjdndudhdisndudhdkdndidj-it asked me to write 20 letters
Read through the following scenario and answer the questions that follow. \begin{tabular}{|l|} \hline Scenario A \\ Tshepiso has accepted a new job as a medical sales representative at PharmCo Inc. Sh
Answers
Tshepiso has accepted a new job as a medical sales representative at PharmCo, Inc. She is excited to start working for the company. Tshepiso has a background in sales and marketing, and she is looking forward to using her skills in her new role. However, Tshepiso knows that she will need to learn a lot about the pharmaceutical industry to be successful in her new role. She plans to work hard and learn as much as she can so that she can excel in her new position.
1. What is Tshepiso's new job title?
Tshepiso's new job title is medical sales representative.
2. What skills does Tshepiso have that will be useful in her new role?
Tshepiso has a background in sales and marketing, and she is looking forward to using her skills in her new role.
3. What does Tshepiso plan to do to be successful in her new role?
Tshepiso plans to work hard and learn as much as she can so that she can excel in her new position.
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Examine the DNA sequence in the image.
One DNA strand with two repeats of the code AATC is highlighted.
© 2014 NHS National Genetics and Genomics Education Centre
Creative Commons, by Attribution 2.0 Generic
Which of the following analysis tools is represented by the DNA sequence in the image?
DNA cloning
STR analysis
SNP profiling
Electrophoresis
Answers
In the image, the form of DNA sequence that is highlighted therein is C. SNP profiling.
What is SNP profiling?SNP profiling is a way of categorizing the genetic variations of a single nucleotide. In the diagram, we can see a DNA strand and the nucleotides that make it up.
Also, we can see how these nucleotides are categorized by their genetic variations. So, the term that represents the image in the figure is SNP profiling.
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A dietician asks a patient about the food that the patient eats and makes the table below to summarize the results.
Macromolecule
Suggested percentage of diet
Actual percentage of diet
Carbohydrates 45–65% 70%
Lipids 20–35% 5%
Proteins 10–35% 25%
Based on the table, what advice do you think that the dietician will give the patient?
Answers
Answer: The answer is C.
Explanation:
the patient is eating to much carbohydrates and not enough lipids.
The dietician will advise the patient to decrease rice and pasta in their diet and to increase the lean meat to have a balanced diet. Thus, option D is correct.
Who is a dietician?A dietician is a person that is an expert in nutrition and diet. They provide the details and charts about the diet and food one should consume to have a balanced diet and nourishment.
As the percentage of carbohydrates is more in the diet the dietician will suggest decreasing the rice and pasta intake and increasing the protein percentage by increasing the intake of lean meat.
Therefore, dieticians will suggest decreasing carbohydrates and increasing proteins.
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The complete question is attached to the image below.
What is the difference between the axial skeleton and the appendicular skeleton?
Answers
The purpose of the microvilli in the small intestine is to _______________. MULTIPLE CHOICE.
A. increase friction
B. propel chyme along the digestive tract
C. aid in locomotion
D. increase surface area
Answers
Answer: D. increase surface area
Explanation:
Microvilli are hairs that aid in absorption of nutrients. In the small intestine, these cells contain microvilli, which are tiny hair-like projections that increase nutrient absorption. These projections increase the surface area of the small intestine allowing more area for nutrients to be absorbed.Answer:
D
Explanation:
With more surface area food can be broken down faster
4. In which layer do most (90%) of rainforest organisms live?
A. Emergent layer
B. Canopy layer
C. Understory
D. Forest Floor
Answers
So yes the person above is correct :)