Which of the following statements about retroviruses is false?
(a) Retroviruses are packaged with a few molecules of reverse transcriptase in each virus particle.
(b) Retroviruses use the host-genome integrase enzyme to create the provirus.
(c) The production of viral RNAs can occur long after the initial infection of the host cell by the retrovirus.
(d) Viral RNAs are translated by host-cell ribosomes to produce the proteins required for the production of viral particles.
(b) Integrase is typically encoded by the viral genome.
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A pharmaceutical company is developing a new drug to treat a rare disease. They need to determine which of the cell’s proteins can bind the drug. What tool can help them survey the proteome for drug interactions?
A. ENCODE B. protein microarray C. using a monoclonal antibody D. SAGE E. DNA microarray Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about proteomics? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Microdomains in eukaryotic plasma membranes can participate in
A. cell division. B. cell movement. C. signal transduction. D. All of the choices are correct.
If a reaction is endergonic, what can we infer about the reaction?
a. ?H must be positive
b. ?H must be negative c. ?G must be positive d. ?G must be negative e. ?S must be positive
Hairlessness in dogs is inherited from a single dominant allele. Inheriting two dominant alleles is lethal for an embryo. Penelope, a hairless dog mates with Arnold, a dog with hair. The probability Penelope will have hairless puppies is
A) 3/4. B) 2/3. C) 1/4. D) 1/2.