Unit 3 Most Missed Questions

Front

What is the relationship between guanine and cytosine in a DNA molecule?

Back

There are equal numbers of guanines and cytosines in any molecule of DNA.

Front

What is the name of the molecule that carries genetic information from DNA to the ribosome?

Back

mRNA (messenger RNA).

Front

What amino acid is coded for by the DNA codon ATG?

Back

Methionine.

Front

Which of the following is NOT a component of DNA: nucleotide, amino acid, or sugar?

Back

Amino acid.

Front

What is the process called where mRNA is translated into a protein?

Back

Translation.

Front

What are the four nitrogenous bases found in DNA?

Back

Adenine, Thymine, Cytosine, and Guanine.

Front

What is the function of mRNA in protein synthesis?

Back

mRNA serves as a template for the sequence of amino acids in a protein.

Front

What is the role of ribosomes in translation?

Back

Ribosomes facilitate the decoding of mRNA into a polypeptide chain.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains thymine, while RNA is single-stranded and contains uracil.

Front

What is a codon?

Back

A codon is a sequence of three nucleotides in mRNA that specifies a particular amino acid.