DNA and the Genetic Code

Which molecule is most responsible for determining an organism’s eye color, body structure, and cellular enzyme production?

• Complex starch

• Fatty acid

• Carbohydrate

• Deoxyribonucleic acid

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

DNA and RNA are two types of nucleic acids which are both found in all types of cells. Which of the following components is found in DNA, but not in RNA?

• Uracil

• Phosphate

• Adenine

• Deoxyribose

Characteristics such as a widow’s peak or attached earlobes are determined by the genetic code. Which parts of DNA are actually create the genetic code?

• Phosphate groups

• Nitrogenous bases

• Deoxyribose sugars

• Hydrogen bonds

Tags

NGSS.HS-LS3-1

Which of the following explanations describes how DNA is used to create complex traits?

• DNA creates the cellular energy used by cells inside all forms of life.

• DNA is coiled and folded into the nucleus of each cell inside eukaryotes.

• The information in DNA codes for all of the cell's proteins

• DNA is changed from a nucleic acid into all other forms biomolecules to make cells.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

“Thymine—guanine—thymine—cytosine” describes —

• nucleotides within an RNA strand

• a sequence of amino acids

• a sequence of bases within a DNA section

• origins of DNA replication

Which of these make up the primary link between a gene and the expression of a trait?

• Proteins

• Sugars

• Lipids

• Vitamins

Tags

NGSS.HS-LS1-1

What amino acid is this codon?
UGU

• Leucine
• Cystine
• Valine
• Glycine

What amino acid is this codon?
GUA

• Threonine
• Serine
• Valine
• Arginine

What amino acid is this codon?
CCA

• Proline
• Serine
• Valine
• Arginine

What amino acid is this codon?
UAA

• Aspargine
• Histidine
• Stop
• Alanine