Answer the following multipule choice: 1.) Viruses can infect _____. Select one:

Question

Answer the following multipule choice:

1.) Viruses can infect _____.

Select one:

a. animals

b. plants

c. bacteria

d. All are able to be infected by viruses

2.)The reason for differences in the sets of proteins expressed in a nerve and a pancreatic cell of the same individual is that nerve and pancreatic cells contain different _____.

Select one:

a. sets of regulatory proteins

b. promoters

c. regulatory sequences

d. genes

3.)The release factor (RF) _____.

Select one:

a. releases the amino acid from its tRNA to allow the amino acid to form a peptide bond

b. binds to the stop codon in the A site in place of a tRNA

c. supplies a source of energy for termination of translation

d. releases the ribosome from the ER to allow polypeptides into the cytosol

4.)Translation requires _____.

Select one:

a. mRNA, tRNA, DNA, and rRNA

b. mRNA, tRNA, and rRNA

c. mRNA, tRNA, and DNA

d. mRNA, DNA, and rRNA

5.) Viruses can cause _____.

Select one:

a. both diseases and cancers.

b. only diseases

c. only cancers

d. neither diseases nor cancers.

6.) Viruses _____.

Select one:

a. use the host cell to copy themselves and make viral proteins

b. manufacture their own ATP, proteins, and nucleic acids

c. use the host cell to copy themselves and then viruses synthesize their own proteins

d. metabolize food and produce their own ATP

Explanation / Answer

Answers

1. (d) all are able to be infected by viruses

2. (a) sets of regulatory proteins

3. (b) binds to the stop codon in the A site in place of a tRNA

4. (b) mRNA , tRNA and rRNA

5. (a) Both diseases and cancer

6. (a) use the host cell to copy themselves

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