Unit Test — Cumulative exam

Question 1

The energy transfer diagram represents the energy of a light bulb.

Revolt · Accepted Answer

120 J

Question 2

What is an advantage of genetically engineered biological pacemakers developed by biomedical engineers over electronic pacemakers?

Revolt · Accepted Answer

Biological pacemakers inject cells into the patient rather than use surgery to insert an electronic pacemaker.

Question 3

Derek needs a tool that delivers 5.00 mL of a sodium hydroxide solution. Which tool would be best for him to use?

Revolt · Accepted Answer

a pipette

Question 4

Which discovery is most directly related to careers in biology?

Revolt · Accepted Answer

the discovery of the genes that are responsible for Alzheimer’s disease

Question 5

The diagram shows two vectors that point west and north.

Revolt · Accepted Answer

13 miles

Question 6

What is the kinetic energy of an object that has a mass of 50.0 kg and a velocity of 18 m/s?

Revolt · Accepted Answer

8,100 J

Question 7

Question 48

Revolt · Accepted Answer

the dependent variable

Question 8

How are hypotheses and theories related to each other?

Revolt · Accepted Answer

A wide range of hypotheses is used to create a theory.

Unit Test — Cumulative exam Answers