DNAa

Which of the following serves as the template for the assembly of amino acids during protein synthesis?

• DNA

• mRNA

• IRNA

• tRNA

Which of the following is not involved in translation?

• mRNA

• tRNA

• ribosome

• DNA

Which of the following statements about DNA and RNA is incorrect?

• Both have cytosine as a base.

• Both are composed of a nitrogenous base.

• The DNA copies specific instructions from the RNA.

• DNA is a double-stranded helix while RNA is a single-stranded helix..

RNA makes proteins through...

• repair

• replication

• transcription

• translation

A base sequence of one strand AATTCG has the complementary base strand of

• AATTCG

• TTAACG

• TTAAGC

• TTGGÁC

Which type of RNA carries genetic information from DNA to the ribosomes?

• messenger RNA

• ribosomal RNA

• mitochondrial RNA

• transfer RNA

In an RNA, adenine pairs with...

• cytosine

• guanine

• thymine

• uracil

If the DNA polymerase is in contact with cytosine in the parent strand, what complementary base will be added to the daughter strand?

• adenine

• guanine

• thymine

• uracil

The DNA has the two chains held together by

• covalent bonds

• hydrogen bonds

• ionic bonds

• polypeptide bonds

All of the following are true about RNA except...

• RNA can leave the nucleus

• RNA contains uracil in place of thymine

• RNA is a single strand

• RNA and DNA have the same 5-C sugar