PBS Unit 3 New

The effect of type of music on heart rate was tested by a student. What is the INDEPENDENT variable in the experiment?

• heart rate

• type of music

• time

What part of the hair is represented by letter B?

• cuticle

• cortex

• medulla

• root

What part of the hair is represented by letter C?

• cuticle

• cortex

• medulla

• root

What blood type is sample 2?

• A

• B

• AB

• O

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS4-1

What blood type is sample 4?

• A

• B

• AB

• O

Tags

NGSS.HS-LS3-2

Which DNA bases pair together?

• A-T

• G-A

• C-T

• T-G

Which letter represents a histone?

• A

• B

• C

• D

Tags

NGSS.HS-LS1-1

Which letter represents a chromosome?

• A

• B

• C

• D

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a restriction enzyme cuts between base pairs GG|CC, how many DNA fragments will result?

• 1

• 2

• 3

• 4