Enzymes
Enzymes work by _____ the _______ of a reaction.
a) raising, ATP energy
b) raising, activiation energy
c) lowering, ATP energy
d) lowering, activation energy
d) lowering, activation energy
Which of the following describes pores in leaves that allow CO2 in and O2 out?
A) Soma
B) Stroma
C) Stomata
D) Somato
C) Stomata
Which of the following is NOT produced in the Krebs cycle?
A) ATP
B) NADH
C) CO2
D) Acetyl CoA
E) FADH2
D) Acetyl CoA
Which type of metabolic pathway releases energy by breaking down complex molecules into simpler compounds?
A) Anabolic
B) Catabolic
C) Enzymatic
D) Dehydration
B) Catabolic
The main electron carrying molecule used in phosotynthesis is called ___.
a) NADP+
b) FADH+
c) NAD+
d) ATP
a) NADP+
Some enzymes will change the shape of their active site to allow the substrate to bind better. This is called:
A) Forced Interaction
B) Induced Fit
C) Competition
D) Semi-efficient Bonding
B) Induced Fit
The light dependent reactions occur in the _______ and the Calvin cycle occurs in the ________.
grana, stroma
Glycolysis produces _____ which is then oxidized to form ____.
A) pyruvate, citrate
B) acetyl coA, pyruvate
C) pyruvate, acetyl coA
D) acetyl coA, citrate
C) pyruvate, acetyl coA
In a redox reaction, the molecule that gains electrons is being __.
a) oxidized
b) reduced
c) energized
d) hydrolyzed
b) reduced
True or False: Both plant and animal cells contain mitochondria and perform cellular respiration.
True.
Which of the following describes inorganic non-protein molecules that assist enzyme function?
A) Coenzyme
B) Cofactor
B) Cofactor
The oxygen released during the light dependent reactions, as well as both protons and electrons, come from:
A) Energized photons interacting with photosytems
B) CO2 absorbed from atmosphere
C) Splitting water
D) Breaking down molecules formed during photorespiration
C) Splitting water
Which of the following is NOT produced during the electron transport chain?
A) ATP
B) FAD+
C) H2O
D) NAD+
A) ATP
In any energy conversion, some energy is always lost as ___.
a) heat
b) kinetic energy
c) chemical energy
d) water
a) heat
Which of the following does NOT belong?
a) NADPH
b) FADH2
c) O2
d) ATP
d) ATP
WHY?
Name the class of molecule that prevents substrates from binding to an enzyme by attaching themselves to an area other than the active site.
Noncompetitive Inhibitor
Which of the following does not occur during the Calvin cycle?
A) Carbon fixation
B) Release of oxygen
C) Conversion of ATP
D) Production of a carbohydrate
B
Which of the following processes will take place even if no oxygen is present?
A) Krebs cycle
B) Glycolysis
C) Electron Transport Chain
D) Chemiosmosis
B) Glycolysis
Cellular respiration is an example of a/an ____.
a) catabolic reaction
b) anabolic reaction
c) endothermic reaction
d) non spontaneous reaction
a) catabolic reaction
True or False: Producing ATP is the result in both cellular respiration and photosynthesis.
False.
Name the class of enzyme that has more than one binding site and can be activated or inhibited by the binding of other molecules.
Allosteric Enzymes
Name the enzyme that catalyzes the fixation of carbon (from CO2) to the molecule RuBP.
Rubisco
If no oxygen is present, the cell can regenerate NAD+ by this process and continue to get 2 ATP from glycolysis.
What is fermentation
The energy released from hydrolyzing ATP to ADP comes from lowering the overall ____ of the reaction.
a) activation energy
b) free energy
c) bond energy
d) thermal energy
b) free energy
Name the 3 carbon sugar produced during the Calvin Cycle.
G3P (Glyceraldehyde-3-phosphate)