Learning Objectives Exam 1

Question 1

Define homeostasis

Question 2

Distinguish between positive and negative feedback

Question 3

Describe the structure and properties of the cell membrane

Question 4

Name the reactants and products of cellular respiration, and explain the roll of ATP in the cell

Question 5

Describe diffusion in cells

Question 6

Define hypertonic, isotonic, and hypotonic and describe how water will move when cells are placed in these solutions

Question 7

Distinguish between primary and secondary active transport

Question 8

Describe the anatomy of a neuron and explain why they have a membrane potential

Question 9

Describe a graded potenital

Question 10

Explain the stages of an action potential

Question 11

Describe how action potentials are propagated

Question 12

Describe the anatomy of the sarcomere and explain sliding filament theory

Question 13

Describe the anatomy of skeletal muscle cells

Question 14

Explain the steps of excitation-contraction coupling

Question 15

Describe how cross-bridge movement occurs

Question 16

Explain where energy for muscle contraction comes from

Question 17

Distinguish between isotonic and isometric contraction

Question 18

Explain types of muscle fibers

Question 19

Explain how muscles are altered through exercise