Science Unit Texas

What does DNA stand for?

• deoxyri acid

• dogs, nemo, and algae

• deoxyribonucleic acid

Tags

NGSS.MS-LS3-1

Most DNA is located in the cell nucleus

• True

• False

Tags

NGSS.MS-LS1-2

What are the four bases of DNA?

• A, B, C, and D

• E. F. G. and H

• A, G, T, and C

• G, T, C, and D

Which bases are correctly paired? Select all that apply

• A with G

• T with C

• A with T

• G with C

What is the double helix structure of a DNA strand made up of?

• Nucleus

• Sugars

• Glucose

• Nucleotides

Tags

NGSS.MS-LS3-1

Humans have between 20,000 and 25,000 genes in their bodies.

• True

• False

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

Every person has FOUR copies of each gene, TWO from each parent.

• True

• False

Tags

NGSS.HS-LS3-1

What is genetics?

• The study of humans

• The study of cats

• The study of plants

• The study of heredity

Tags

NGSS.MS-LS3-1

NGSS.MS-LS3-2

NGSS.MS-LS4-4

In human beings, most cells have how many pairs of chromosomes?

• 14

• 23

• 30

• 60

Around 49.5 percent of the world's population is female.

• True

• False