Universal Genetic Code

Using the mRNA sequence and chart, write down the corresponding three-letter abbreviations from the amino acids. Separate each amino acid by a hyphen (eg: "phe-leu-"). Do not include any spaces.

mRNA sequence AUU-GCA-UCG-AGC-CUA

Tags

NGSS.HS-LS1-1

UAA, UGA, and UAG are all ________ codons.

The genetic code is redundant because a single amino acid may be coded for by more than one ______.

Which amino acids do the following codons encode- UUC, UCU, CUU?

• phenylalanine, serine, leucine

• serine, alanine, leucine

• methionine, serine, leucine

The genetic code is a:

• sequence of sugars

• sequence of nitrogen bases

• sequence of phosphates

• all of the above

How many bases code for one amino acid?

• 4

• 1

• 3

• 2

________ are the groups of three nitrogen bases in an mRNA molecule

• genetic code

• reading frame

• codon

Genetic information is present in ______.

• Proteins

• Lipids

• DNA

• none of the above

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the universal genetic code?

• A set of rules by which information encoded in genetic material is translated into proteins

• A universal language for all living organisms

• A code used in computer programming

• A code for encrypting messages

Which of the following is a characteristic of the universal genetic code?

• It is ambiguous

• It is redundant

• It is species-specific

• It is variable