Question

What is NOT true about codons in mRNA molecules?

Codons in mRNAs bind to complementary anticodons in tRNAs
b
Some codons do not code for amino acids
c
Some codons code for more than 1 amino acid
d
In some cases, several different codons code for the same amino acids
e
Codons contain 3 nucleotides
f
In our cells, "AUG" specifies the START of translation and sets the reading frame.

Answer 1

Codons in mRNA molecules do not bind to complementary anticodons in tRNAs, some codons do not code for amino acids, and some codons code for more than 1 amino acid.

Step-by-step explanation:

There are several statements that are NOT true about codons in mRNA molecules:

1. Codons in mRNAs do not bind to complementary anticodons in tRNAs.
2. Some codons do not code for amino acids.
3. Some codons code for more than 1 amino acid.

The correct statements about codons in mRNA molecules are:

1. Codons contain 3 nucleotides.
2. In our cells, "AUG" specifies the START of translation and sets the reading frame.