Components of DNA

Which components bond with adenine in a section of double-stranded DNA?

• 1, 3, 5,and 6 only

• 3 and 5 only

• 2 and 4 only

• 3, 4, 7, and 8 only

Different traits such as hair texture are determined by differences in:

• the location of sugar groups in DNA

• the sequence of nucleotides in DNA

• the number of nitrogenous bases in DNA

• the molecules attached to the phosphate in DNA

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Students are given data from an investigation that identified some of the chemical elements present in four different samples. Which sample was most likely DNA?

• Sample 1

• Sample 2

• Sample 3

• Sample 4

Tags

NGSS.HS-LS1-1

A student used poster board to construct this model of a section of DNA. Which statement describes this model of DNA?

• The model is inaccurate because the base pairs are incorrect

• The model is accurate because it contains correctly paired bases

• The model is accurate because it shows each base splitting to form a double helix

• The model is inaccurate because some of the typical bases in DNA are missing

Tags

NGSS.HS-LS1-1

What is DNA made of?

• Nucleotide subunits

• Deoxyribonucleic acid

• genetic material

• sugar, phosphate, and bases

Subunits of nucleotides make up ________________.

• DNA

• all cells

• a nucleus

• mitochondria

Which of the following are DNA bases?

• Thymine

• Adenine

• Guanine

• Cytosine

What is the structure of DNA?

• a double helix

• a long string

• a square

• a pentagon

What does a double helix most resemble?

• twisted ladder

• a hover board

• Mrs. Atchison

• two pentagons

What are the components of a nucleotide?

• Deoxyribose(sugar)

• Phosphate

• a base

• chromosome