Biology Midterm 2023

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

The enzyme that unzips the DNA to prepare for replication

• helicase
• replicase
• polymerase
• synthase

What is a section of DNA that codes for a specific protein called?

• RNA

• replication

• gene

• protein

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Tags

NGSS.MS-LS1-2

What makes up the rungs (steps) of a DNA ladder?

• sugars & phosphates

• nitrogen bases

• sugars

• genes & chromosomes

What is the molecule in the image?

• Nucleotide

• Deoxyribose Sugar

• Nitrogenous base

• Phosphate

What is "C"?

• Nucleotide

• Deoxyribose Sugar

• Nitrogenous base

• Phosphate

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

What type of RNA carries the DNA message out of the nucleus to the ribosomes?

• mRNA
• tRNA
• RNA
• DNA

Amino acids are the building blocks of... 

• DNA
• RNA
• Atoms
• Proteins

Tags

NGSS.HS-LS1-6

_______ is made during transcription and ________ is made during translation.

• mRNA / a protein
• a protein / mRNA
• Ribosome / Nucleus
• mRNA / tRNA