Category2 SPRING 2026 - STAAR 2.0

DNA replication is when

• DNA makes RNA

• DNA makes a copy of itself

DNA must _______________ in order to replicate each strand.

• close

• emerge

• unwind

DNA's structure is described as a

• single helix

• double helix

DNA must replicate in order for

• cell replication to take place

• protein synthesis to take place

Tags

NGSS.HS-LS1-4

A nucleotide is made up of:

• sugar, phosphate, and nitrogen base

• glucose, phosphate, and nitrogen base

DNA contains which type of sugar

• ribose

• deoxyribose

Prove why this image is a nucleotide of DNA

• because of its phosphate

• because of its nitrogen base

• because of its deoxyribose sugar

What forms the structural "backbone" of a DNA molecule?

• Alternating sugar and phosphate molecules.

• Nitrogenous bases

• Deoxyribose sugar and ribose sugar

Tags

NGSS.HS-LS1-1

Protein synthesis is when

• proteins are produced in the mitochondria

• proteins are produced in the nucleus

• proteins are produced in the ribosome

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

What are the two processes of protein synthesis in the correct order?

• replication and translation

• transverse and transcription

• transcription and replication

• transcription and translation