Question

13) In transcription, a new strand of RNA is created as bases are added by which enzyme?
A. Bacterial duplicating complex        B. DNA polymerase
C. DNA replicase                D. RNA polymerase

14) Which of the following molecules is most responsible for converting the nucleic acid language into the amino acid language?
        A. DNA            B. mRNA        C. tRNA            D. rRNA

15) Which of the following statements best describes prokaryotes and eukaryotes?
    A. Prokaryotes have no introns, eukaryotes do.    B. Both have mitochondria.
    C. Only prokaryotes have a nucleus    .        D. All eukaryotes have cell walls.

16) The genetic code is universal. What does this mean?
    A. There is only one codon for each amino acid.     B. All scientists agree on the translation of code.
    C. All living things follow the same code.        D. Every living thing expresses the same genes.

Answer 1

Answer :

13)

Correct choice is D

RNA polymerase is in RNA forming transcription and DNA polymerase in DNA synthesis.

3 different types of RNA polymerase I, II and III.

14)

Correct choice is B

Question asks about translation. Formation of protein from mRNA. t RNA and rRNA are important in translation. But mRNA is the base information for protein formation. Proteins are formed of amino acids.

15)

Correct choice is A.

In prokaryotes transcription is coupled with translation, so they cant splice in between. So no introns.

16)

Correct choice is C

All living things, animals, plants, fungi, bacteria all have same aminoacid for same codon.

There are more than 1 codon for a single aminoacid.