Unit 5 DNA Review

The two parts that make up the “backbone” of the DNA molecule are....

Adenine and Guanine

Deoxyribose and Cytosine

Phosphate and Deoxyribose

Hydrogen bonds

• Adenine and Guanine

• Deoxyribose (sugar) and Cytosine

• Phosphate and Deoxyribose (sugar)

• Hydrogen Bonds

What is the structure of a DNA strand?

• pyrimidine ring

• double helix

• carbon chain

• "S" shaped curve

Each DNA subunit is composed of

• Adenine, ribose, 3 phosphate groups

• carbon, hydrogen, and oxygen

• oxygen, phosphate, and nitrogen base

• deoxyribose, phosphate group, and nitrogen base

A subunit of DNA is called

• double helix

• an organelle

• RNA

• a nucleotide

Each DNA molecule contains ____ strands

• 2

• 4

• 5

• 36

Which is TRUE about nitrogenous base pairs?

• Adenine pairs with thymine

• adenine pairs with cytosine

• thymine pairs with guanine

• none of these

Segments of DNA are called _____.

• genes

• RNA

• Phospholipids

• ribose

Tags

NGSS.HS-LS3-1

The type of RNA that brings instructions from DNA on the nucleus to the cytoplasm

• ribosomal

• messenger

• transfer

The type of RNA that delivers amino acids to the ribosomes to be assembled into proteins

• ribosomal

• messenger

• transfer

DNA is copied in a process called

• mitosis

• meiosis

• DNA Replication

• translation