DNA structure

What nitrogen base pairs with adenine in DNA?

• T
• U
• C
• G

DNA is a(n)

• atom

• molecule

• nucleus

• cell

A DNA molecule is shaped like a

• toilet

• cone

• ball

• spiraled ladder

Tags

NGSS.HS-LS1-1

Chromosomes occur in the _______ of a cell.

• cell

• chromosome

• gene

• nucleus

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Which 2 molecules forms the sides (backbone) of the DNA ladder?

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• sugar and the nucleus
• deoxyribose (sugar) and phosphate

Tags

NGSS.HS-LS1-1

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base
• Phosphate, Adenine, nitrogen base
• Thymine, Adenine, Cytomine
• Phosphate, Nitrogen, Adenine

The nitrogen bases found in DNA are represented by the letters

• T, U, G, A, and C
• T,A, P and C
• A, U, G, and C
• A, T, G, and C

The diagram represents a molecule of 

• DNA
• ATP
• FSH
• RNA

Tags

NGSS.HS-LS1-1

Adenine (A) bonds with ______________.

• Guanine (G)

• Thymine (T)

• Cytosine (C)

• Adenine (A)