DNA and RNA

Translation always starts with a(n) _______ codon

• AUG

• UAG

• AAA

• GUA

Genetic information is present in ______.

• Proteins

• Lipids

• DNA

• none of the above

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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 ______.

The ______ code is the universal code of three-base codons which encodes the genetic instructions for the amino acid sequence of proteins.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

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

Tags

NGSS.HS-LS1-1

The entire genetic code consists of ___ amino acids and ___ codons.

• 20, 64

• 30, 68

• 20, 20

• 30, 75

How many bases code for one amino acid?

• 4

• 1

• 3

• 2