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Test 2
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38
Biology
Undergraduate 1
03/11/2014

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Term
1) -Stored energy ready to do work is ________________
Definition
Potential energy
Term
The amount of energy required to raise 1 gm of water 1 deg C
Definition
calorie (cal)
Term
3) In an endergonic reaction, the energy of activation
Is greater than or less than the energy stored in the products?
Definition
greater than
Term
4) Cellular respiration is an ___________ reaction.
Definition
Exergonic
Term
5) In oxidation-reduction (redox) reactions, the atom gaining
The electron has been _________________.
Definition
reduced
Term
proteins shuttle electrons losing energy in the
Definition
Electron transport chain
Term
7) ATP has what sugar?
Definition
ribose
Term
8) The energy of activation is
Definition
: amount of energy required to start a reaction
Term
9) The region on an enzyme that binds the reactants or substrates
is the __
Definition
active site
Term
10) When a solute is more concentrated on one side of the cell
membrane, this is known as a
Definition
concentration gradient
Term
11) Three types of passive transport are
Definition
simple diffusion, facilitated diffusion and osmosis
Term
12) What type of transport requires energy?
Definition
active transport
Term
13) The Na+/K+ (sodium-potassium) pump is an example of
Definition
Active transport
Term
14) When a cell uses vesicles to transport fluids and large
particles out of cell, it is called:
Definition
Exocytosis
Term
15) The process by which plants, algae, and some microorganisms
harness solar energy and convert it into chemical energy is
Definition
photosynthesis
Term
16) Discrete packets of kinetic energy are
Definition
photons
Term
17) The sunlight perceived by humans which powers
photosynthesis is
Definition
visible
Term
18) Organelle of photosynthesis in plants and algae
Definition
chloroplast
Term
19) The membrane studded disc with photosynthetic pigments
Definition
thylakoid
Term
20) 2 stages of photosynthesis are
Definition
light reactions and carbon reactions
Term
21) Carbon reactions are powered by ______________ and
___________, produced by the light reactions
Definition
ATP and NADPH
Term
22) The carbon reactions occur in the
Definition
stroma
Term
23) Unit with chlorophyll a and other pigment molecules and
proteins anchored in the thylakoid membrane
Definition
photosystem
Term
24) What does Photosystem I and II produce, respectively?
Definition
NADPH and ATP
Term
25) What connects the photosystems in the light reactions?
Definition
electron transport chain
Term
26) What enzyme catalyzes the production of ATP in chemiosmotic
Phosphorylation?
Definition
ATP synthase
Term
27) The product of the calvin cycle that forms glucose is
Definition
PGAL
Term
28) What are the three steps of the calvin cycle?
Definition
: Carbon fixation, PGAL synthesis, RuBP regeneration
Term
29) The reactants of aerobic cellular respiration are ____________
and ____________
Definition
Oxygen and glucose
Term
30) Which biochemical pathway in cellular respiration requires
2 ATP to start the reactions and has a net gain of 2 ATP?
Definition
glycolysis
Term
31) Which biochemical pathway in cellular respiration takes place
in the mitochondrial matrix and produces 2 ATP
and 8 electron carrier molecules?
Definition
Kreb cycle
Term
32) A Created H+ gradient facilitates the production of ATP
by what process?
Definition
Chemiosmotic phosphorylation
Term
33) The three products of glucolysis are
Definition
: 2ATP, 2NADH and 2 pyruvate
Term
34) The 2 pyruvates from glycolysis are transformed to what molecule before
entering the Kreb cycle?
Definition
Acetyl CoA
Term
35) ATP is produced when a donor molecule transfers P to ADP is called
Definition
substrate-level phosphorylation
Term
36) In cellular respiration, the most ATPs are produced by which
biochemical pathway?
Definition
electron transport chain
Term
37) Microorganisms produce ATP and alcohols by which ATP
generating pathway?
Definition
fermentation
Term
38) ATP can be generated in the absence of oxygen by ______________
_______________.
Definition
anaerobic respiration
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