Protein Synthesis

DNA is made up of repeating subunits called

• monosaccharides

• amino acids

• nucleotides

• fatty acids

Hydrogen bonds in DNA exist between

• phosphate groups

• sugars

• nitrogen bases

• phosphate and sugar

The product of DNA Replication is

• two identical strands of DNA

• two different strands of DNA

• four identical strands of DNA

• four different strands of DNA

Tags

NGSS.HS-LS3-2

____________ is the enzyme that unzips the DNA strand by breaking the hydrogen bonds between nitrogen bases.

• DNA Helicase

• DNA Polymerase

• DNA Ligase

• Topoisomerase

_____________ is the enzyme that adds free nucleotides to the parent strands of DNA.

• DNA Helicase

• DNA Polymerase

• DNA Ligase

• Topoisomerase

________________ is the enzyme that bonds the backbone of DNA back together.

• DNA Helicase

• DNA Polymerase

• DNA Ligase

• Topoisomerase

During DNA replication, which strand would be created to match this parent strand: GACTCTCCA

• CTGAGAGGT

• ACCTCTCAG

• GUGAGUGGT

• CGCTCTAGA

The sequence of ____________ carries the genetic information of an organism.

• phosphate groups

• enzymes

• lipids

• nucleotides

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Three nitrogen bases on mRNA which code for an amino acid are called a

• codon

• anti-codon

• genes

• nucleic acid

__________ brings amino acids to the ribosome during translation.

• rRNA

• mRNA

• tRNA

• DNA