Unit 8 Quiz

Question 1

cellular respiration equation

Answer 1

C6H12O6 + 6O2 —-> 6CO2 + 6H2O + energy (ATP) (38 ATP total energy)

glucose + oxygen = carbon dioxide + water + ATP

Question 2

CO2 production in embryos

Answer 2

CO2 + H2O —-> H2CO3 (Carbonic acid)

Question 3

phenol red color change

Answer 3

red at neutral pH

yellow at acidic pH

Question 4

fermentation (anaerobic process)

Answer 4

measure CO2

glucose —-> ethanol + CO2 + ATP

Question 5

cellular respiration can be broken down into three sets of chemical reactions

Answer 5

1. glycolysis
2. kreb’s cycle (citric acid cycle)
3. Electron transport chain (oxidative phosphorylation)

Question 6

glycolysis

Answer 6

glucose + 2ATP = pyruvic acid + 4 ATP

Question 7

glycolysis is an

Answer 7

anaerobic reaction.

Question 8

glycolysis takes place in the

Answer 8

cytosol of the cell

Question 9

for every 1 molecule of glucose you get the production of

Answer 9

2 new molecules of ATP.

remember you had to use 2 to start the chemical reaction

Question 10

there are special types of glycolysis called

Answer 10

fermentation

Question 11

alcohol fermentation

Answer 11

organisms such as yeast ferment the sugars in fruits or grains to make ATP for themselves.

Question 12

The out come of alcohol fermentation is 3 products

Answer 12

carbon dioxide gas
ATP
ethyl alcohol

Question 13

lactate fermentation

Answer 13

takes place in your muscle cells. When you are exercising strenuously or doing some aerobic activity and you push your muscles to their limit, then they will start creating more energy (ATP) by non-aerobic means.
The product of this reaction is lactic acid and results in very sore muscles

Question 14

Kreb’s Cycle

Answer 14

In the kreb’s cycle Acetyl CoA combines with oxaloacetic acid to make citric acid. During this process ATP is made and also another energy rich electron carrier called NADH.

Question 15

The kreb’s cycle takes place in the

Answer 15

mitochondria of your cells in an area called the matrix.

Question 16

The kreb’s cycle turns

Answer 16

twice per molecule that enters it

Question 17

Each turn of the kreb’s cycle results in the formation of

Answer 17

1 molecule of ATP. So … the kreb’s cycle produces 2 molecules of ATP during its chemical reactions.

Question 18

NADH is also produced in the kreb’s cycle. It leaves the cycle and starts the

Answer 18

electron transport chain. It is the initial electron carrier.

Question 19

Electron transport chain

Answer 19

This is an aerobic chemical reaction. It must have oxygen to run.

Question 20

For every 1 molecule of glucose that we take in we get the production of approximately

Answer 20

32 molecules of ATP during this set of chemical reactions.

electron transport chain

Question 21

The electrons are passed down a

Answer 21

chain of electron acceptors. The last acceptor in the chain is oxygen.

(electron transport chain)

Question 22

The electron transport chain reactions take place in the

Answer 22

mitochondria of your cells in an area called the cristae

Question 23

hydrogen ions (+) are used during this process (electron transport chain) to make the

Answer 23

ATP.

Question 24

coloration of germinated

Answer 24

yellow

Question 25

coloration of germinated-boiled

Answer 25

red

Question 26

what does the term germination mean

Answer 26

a period of growth that follows a period of dormancy (nutrients/stimulation G factors are present)

Question 27

At the end of your pea experiment, what colors did you expect to see for each set of peas? why?

Answer 27

boiled: red, no CO2 produced because no respiration

non-boiled: yellow, normal respiration= CO2 produced

Question 28

What do these different colors mean in terms of product being produced or not being produced in each scenario?

Answer 28

red: CO2 not produced
yellow: CO2 present/produced

Question 29

The experiment that you performed with yeast tested what kind of cellular process?

Answer 29

fermentation