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(a) Distinguish between a virus, viroid and prion.
(b) What is a bacteriophage?
(c) What are the 3 basic viral shapes?
(d) During the lysogenic cycle of s virus, what happens to the viral nucleus acid after it is injected into the host cell?
(b) What is a bacteriophage?
(c) What are the 3 basic viral shapes?
(d) During the lysogenic cycle of s virus, what happens to the viral nucleus acid after it is injected into the host cell?
1. What are the two components shared by all viruses?
2. Viruses are generally considered to be non living. Should viroids and prions also be viewed as non living. Why or why not?
3. A wart is caused by a virus that may lie dormant for years before any symptoms appear. Does this resemble a lytic or Lysogenic infection? Explain.
2. Viruses are generally considered to be non living. Should viroids and prions also be viewed as non living. Why or why not?
3. A wart is caused by a virus that may lie dormant for years before any symptoms appear. Does this resemble a lytic or Lysogenic infection? Explain.
1.During the lysogenic cycle of virus, what happens to the viral nucleic acid after it is injected into the host cell? [1]
2.Explain relationship between shingles and chickenpox. [2]
2.Explain relationship between shingles and chickenpox. [2]
1. Viruses are generally considered to be non living. Should viroids and prions also be viewed as non living? Why [2]
2.A wart is caused by a virus that may lie dormant for years before symptoms appear. Does this resemble a lytic or lysogenic infection. Explain [2]
2.A wart is caused by a virus that may lie dormant for years before symptoms appear. Does this resemble a lytic or lysogenic infection. Explain [2]
How can we keep the application of recombinant DNA technologies ethica as a scientist, student, and as a citizen?
1. What are two components shared by all viruses?
2. Viruses are generally considered to be non-living. Should viroid and prions also be viewed as non-living? why? [2]
3. A wart is caused by a virus that may lie dormant for years before any symptoms appear. Does this resemble a lytic or lysogenic infection? Explain [2 marks]
4. During the lysogenic cycle of a virus, what happens to the viral nucleic acid after it is injected into the host cell? [1]
5. Name four viruses that can cause diseases, that are fatal.
6. Explain the relationship between shingles and chickenpox? [2]
2. Viruses are generally considered to be non-living. Should viroid and prions also be viewed as non-living? why? [2]
3. A wart is caused by a virus that may lie dormant for years before any symptoms appear. Does this resemble a lytic or lysogenic infection? Explain [2 marks]
4. During the lysogenic cycle of a virus, what happens to the viral nucleic acid after it is injected into the host cell? [1]
5. Name four viruses that can cause diseases, that are fatal.
6. Explain the relationship between shingles and chickenpox? [2]
What is the age of the Earth? Describe using the two methods of dating.
Object example and justification of peroxisomes
Determine the stimulus, receptor, control center response and effector for gas exchange for plants.
I was doing revision for my test and came to a question that asks how to eliminate a prozone reaction. I think done threw refrigeration but one of my friend says it by diluting the antibody and another says it's by concentrating the antibody by centrifugation. So just wondering if someone can help me to get to the correct answer
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#340153 on Dec 2023
#340153 on Dec 2023