DNA Review

What is a nucleotide?

• Lipid
• A single base, deoxyribose sugar, and a phosphate
• Carbohydrate
• All of the above

Fill in the complementary bases according to the base-pair rule in DNA: A T C C A G

• T U G G T C
• T A G G T C
• T A C G T G
• T A C C A C

What is the function of DNA helicase?

• Attach new nucleotides
• To unzip the strands of DNA
• Remove nucleotides
• To perform crossing over

This image shows that DNA Replication is _______.

• Conservative
• Semiconservative
• Dispersive
• Spontaneous

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

Tags

NGSS.HS-LS1-1

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands

Tags

NGSS.HS-LS3-2

Which of these bases does not exist in RNA?

• C
• T
• U
• A

DNA codes for...

• cholesterol
• proteins
• fatty acids
• a sandwich

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

what does mRNA do?

• carry info from genes to ribosomes
• carry amino acids to ribosomes
• help with RNA splicing
• make up ribosomes

Where does transcription take place?

• nucleus
• ribosome
• cytoplasm
• smooth ER