Can you guys help me out with some honors bio questions I have? I will give brainliest thanks in advance!! 1. When using a codon chart you use the sequence from which molecule to determine the amino acid?
A) DNA
B) mRNA
C) tRNA

2. Refer to the picture - Which amino acid is represented by the codon UUA?
A) Leucine
B) Serine
C) STOP

1. When using a codon chart, the mRNA sequence (option B) is used to determine the amino acid .

2. The amino acid that is represented by the UUA codon is leucine (Option A).

Explanation:

Messenger RNA (mRNA) is the molecule that contains the genetic code that must be translated by the ribosome for protein synthesis to be possible.

The nitrogenous bases in mRNA are adenine, guanine, uracil and cytosine, which form specific sequences in the molecule. The sequence of bases in the MRA can be organized into triplets of bases, called codons, which code for:

From this information it can be stated that the mRNA contains the sequence used to synthesize amino acids and UUA codon codes for the amino acid leucine (Leu).

The other options are not correct because:

1.    A) DNA contains the genetic information, and its molecule must be transcribed into mRNA to be translated into amino acids.

    C) tRNA is in charge of conducting the amino acids to the ribosome during protein synthesis, matching its anticodon to the mRNA codon.

2. UUA does not code for:

    B) Serine, which is coded by UCU, UCA, UCG and UCC.

    C) STOP. The three STOP codons are UAA, UAG and UGA.

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