EXAM 3 HOMEWORK

Question 1

PRODUCTS OF GLYCOLYSIS

Answer 1

ATP, NADH, PYRUVATE

Question 2

PRODUCTS OF PYRUVATE PROCESSING

Answer 2

NADH, CO2 (WASTE), ACETYL-COA

Question 3

PRODUCTS OF KREBS CYCLE

Answer 3

NADH, ATP, FADH2, CO2 (WASTE)

Question 4

Oxidation of FADH2 occurs when:

Answer 4

It drops off electrons at the electron transport chain

Question 5

In the electron transport chain, the oxygen that enters the cell becomes part of what molecule?

Answer 5

WATER

Question 6

In aerobic bacteria, the electron transport chain is located in the

Answer 6

CELL MEMBRANE

Question 7

Under anaerobic conditions, lactate is formed by pyruvate accepting electrons from

Answer 7

NADH

Question 8

In aerobic bacteria, the electron transport chain is located in the

Answer 8

CELL MEMBRANE

Question 9

How do active insects get enough oxygen into their bodies for metabolism in flight?

Answer 9

They move their body muscles to pump along tracheae

Question 10

Which feature is common to gills, lungs, and tracheae?

Answer 10

LARGE SURFACE AREA

Question 11

Red blood cells convert some of the carbon dioxide received by the tissues into ______________. This product assists with buffering the blood pH.

Answer 11

BICARBONATE

Question 12

Fluid moving through the arteries in an animal with an open circulatory system is referred to as:

Answer 12

HEMOLYMPH

Question 13

How do arteries differ from veins?

Answer 13

Arteries have thicker smooth muscle layers to accommodate the changes in pressure from the heart.

Question 14

Where is resistance (R) very high due to red blood cells squeezing through the blood vessel one at a time?

Answer 14

CAPILLARIES

Question 15

Where is resistance the most variable in a closed circulatory system?

Answer 15

Arterioles