EXAM 2 - REAL QUESTIONS

Question 1

Where does glycolysis occur in eukaryotic cells?
a) mitochondrial matrix
b) cytoplasm
c) inner mitochondrial membrane
d) nucleus

Answer 1

b) cytoplasm

Question 2

what is the NET atp yield per glucose molecule during glycolysis?
a) 2 ATP
b) 4 ATP
c) 6ATP
d) 36 ATP

Answer 2

a) 2 ATP

Question 3

The great oxidation event led to to the rise of:
a) anaerobic respiration
b) photosynthesis
c) fermentation
d) aerobic repsiration

Answer 3

d) aerobic repsiration

Question 4

What is the role of allosteric regulation in enzyme regulation?
a) it enhances substrate binding to the active site
b) it changes the shape of the active site, affecting substrate binding (+/-)
c) it alters the primary structure of the enzyme
d) it irreversibly inhibits the enzyme

Answer 4

b) it changes the shape of the active site, affecting substrate binding (+/-)

Question 5

Where does the calvin cycle take place?
a) thylakoid membrane
b) stroma of chloroplasts
c) mitochondrial matrix
d) cytoplasm of the cell

Answer 5

b) stroma of chloroplasts

Question 6

heterotrophs obtain their carbons from via:
a) inorganic forms of carbon
b) sunlight
c) organic forms of carbon
d) atmospheric carbon (co2)

Answer 6

c) organic forms of carbon

Question 7

which molecules combines with acetyl-CoA at the beginning of the citric acid cycle?
a) pyruvate
b) oxaloacetate
c) citrate
d) RuBP

Answer 7

b) oxaloacetate (a carbon molecule)

Question 8

blue and red light is best for driving photosynthesis
true
false

Answer 8

true

Question 9

hexokinase is the enzyme that helps in phosphorylating glucose in the first step of glycolysis
true
false

Answer 9

true