GIZMO STEM Case Protein Synthesis AP bio

DNA is made up of a long chain of___

• amino acids
• proteins
• nucleotides
• carbohydrates

Which of the following is not a difference between DNA and RNA?

• RNA does not have base pairs
• RNA has uracil
• RNA is single stranded
• RNA contains a different sugar

Instead of Thymine as a nitrogen base, RNA has

• Adenine
• sugar
• uracil
• phosphate

Mistakes in the replication process are called _____

• helicase
• excision repair
• mutations 
• RNA 

Tags

NGSS.HS-LS3-2

All of the following statements are true of a DNA molecule except that it-

• is made up of lipids.
• contains nucleotides.
• stores genetic information.
• duplicates itself.

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Nucleotide pairing is always

• purine and purine
• pyrimidine and pyrimidine
• purine and pyrimidine
• none of the above-pairing is random

What is the corresponding codon for AGT?

• UCA
• TCA
• UGA
• ACU

Which description of nucleotide triplets best represents a codon?

• a triplet separated spatially from other triplets
• a triplet that has no corresponding amino acid
• a sequence of tRNA at the 3' end
• a triplet in the same reading frame as an upstream AUG

What is the anticodon on the tRNA that binds to mRNA codon for the DNA coding sequence AAA?

• TTT
• UUU
• UUA
• AAA