DNA Replication, Transcription, Translation

The two strands of a DNA molecule are held together by ________ bonds between their base pairs.

• covalent
• hydrogen
• ionic
• peptide

Which of the following is not a base found in DNA?

• adenine
• thymine
• cytosine
• uracil

What part of a nucleotide accounts for the genetic variation between individuals?

• phosphate
• nitrogenous base
• deoxyribose
• sugar

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

What does mRNA do?

• provides information from DNA to ribosomes
• transfers amino acids to the ribosomes
• makes up ribosomes
• builds proteins

What does rRNA do?

• provides information from DNA to ribosomes
• transfers amino acids to the ribosomes
• makes up ribosomes
• builds proteins

What does tRNA do?

• provides information from DNA to ribosomes
• transfers amino acids to the ribosomes
• makes up ribosomes
• builds proteins

What is the process that copies information from DNA into RNA?

• protein synthesis
• transcription
• translation
• DNA Polymerase

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

Tags

NGSS.HS-LS3-2