BIO 1100 Exam 2 Actual Study Guide
with Questions & Verified Answers |
Brand New Version
1. the fact that energy transformations increase the amount of entropy is the
basis of which of the following? - ANSWER second law of
thermodynamics
2. the energy stored in the carbon carbon bonds of glucose is an example of
________ energy - ANSWER potential and chemical energy
3. during energy transformations, the majority of energy is converted to -
ANSWER heat
4. which of these is an incorrect contrast between monocots and eudicots?
a. one cotyledon vs two cotyledons
b. leaf veins parallel vs net veined
c. pollen with three pores vs pollen with one pore
d. flower parts in threes vs flower parts in fours or fives - ANSWER
pollen with three pores vs pollen with one pore
(other way around)
5. the sum of all the chemical reactions in a cell is called - ANSWER
metabolism
6. what is affected by environmental factors, such as pH and temperature? -
ANSWER an active site of an enzyme
,7. which environmental condition may have an influence on enzyme activity? -
ANSWER substrate concentration, temperature, pH, salt
8. how does an inhibitor bind to a site other than the active site of the enzyme?
- ANSWER noncompetitive inhibition
9. enzymes catalyze chemical reactions by what? - ANSWER lowering the
energy of activation in the reaction
10.the gain of electrons by a molecule is called - ANSWER reduction
11.in which process is carbon dioxide reduced to form carbohydrate? -
ANSWER photosynthesis
12.during glycolysis, what is the net production of ATP per glucose molecule? -
ANSWER 2
13.what is not a product or reactant of glycolysis? - ANSWER oxygen
14.which of these is incorrect regarding fermentation?
a. there is a net gain of only 2 ATP per glucose
b. it occurs in the cytoplasm
c. the process starts with glucose entering glycolysis
d. NADH donates electrons to the electron transport chain
e. it is anaerobic - ANSWER d. NADH donates electrons to the electron
transport chain
15.fermentation is primarily involved in the recycling of - ANSWER NAD+
,16.the greatest contributor of electrons to the electron transport chain is -
ANSWER the citric acid cycle
17.which of these is not true of the citric acid cycle?
a. the citric acid cycle includes the prep reaction
b. the citric acid cycle produces ATP by substrate-level ATP synthesis
c. the citric acid cycle occurs in the mitochondria
d. the citric acid cycle produces two ATP per glucose molecule. -
ANSWER a. the citric acid cycle includes the prep reaction
18.exergonic reactions - ANSWER are spontaneous, have a negative Delta G
value, release energy
19.what form of energy is not stable? - ANSWER ATP
20.which of these is not true of the electron transport chain?
a. it is located on the cristae of the mitochondria
b. it produces more NADH than any metabolic pathway
c. it contains cytochrome molecules
d. it ends when oxygen accepts electrons - ANSWER b. it produces
more NADH than any metabolic pathway
21.the oxygen required by cellular respiration is reduced and becomes part of
which molecule? - ANSWER H2O
22.the function of light reactions is to - ANSWER convert light energy into a
usable form of chemical energy
23.the calvin cycle reactions - ANSWER produce carbohydrate
convert one form of chemical energy into a different form of chemical energy
, regenerate more RuBP
use the products of the light reactions
24.the final acceptor of electrons during the light reactions of the noncyclic
electron pathway is - ANSWER NADP+
25.the oxygen given off by photosynthesis comes from - ANSWER H2O
26.the noncyclic electron pathway, but not the cyclic pathway, generates -
ANSWER NADPH
27.the ATP and NADPH from the light reactions are used to - ANSWER
convert 3PG to G3P
28.in the absence of sunlight, plants are not able to engage in the calvin cycle
due to a lack of - ANSWER ATP and NADPH
29.cellular respiration and photosynthesis both - ANSWER contain an electron
transport chain
30.which of the following does not occur in photosynthesis?
a. reduction of CO2
b. oxidation of water
c. reduction of oxygen - ANSWER reduction of oxygen
which part of a leaf carries on most of the photosynthesis of a plant? - ANSWER
mesophyll
with Questions & Verified Answers |
Brand New Version
1. the fact that energy transformations increase the amount of entropy is the
basis of which of the following? - ANSWER second law of
thermodynamics
2. the energy stored in the carbon carbon bonds of glucose is an example of
________ energy - ANSWER potential and chemical energy
3. during energy transformations, the majority of energy is converted to -
ANSWER heat
4. which of these is an incorrect contrast between monocots and eudicots?
a. one cotyledon vs two cotyledons
b. leaf veins parallel vs net veined
c. pollen with three pores vs pollen with one pore
d. flower parts in threes vs flower parts in fours or fives - ANSWER
pollen with three pores vs pollen with one pore
(other way around)
5. the sum of all the chemical reactions in a cell is called - ANSWER
metabolism
6. what is affected by environmental factors, such as pH and temperature? -
ANSWER an active site of an enzyme
,7. which environmental condition may have an influence on enzyme activity? -
ANSWER substrate concentration, temperature, pH, salt
8. how does an inhibitor bind to a site other than the active site of the enzyme?
- ANSWER noncompetitive inhibition
9. enzymes catalyze chemical reactions by what? - ANSWER lowering the
energy of activation in the reaction
10.the gain of electrons by a molecule is called - ANSWER reduction
11.in which process is carbon dioxide reduced to form carbohydrate? -
ANSWER photosynthesis
12.during glycolysis, what is the net production of ATP per glucose molecule? -
ANSWER 2
13.what is not a product or reactant of glycolysis? - ANSWER oxygen
14.which of these is incorrect regarding fermentation?
a. there is a net gain of only 2 ATP per glucose
b. it occurs in the cytoplasm
c. the process starts with glucose entering glycolysis
d. NADH donates electrons to the electron transport chain
e. it is anaerobic - ANSWER d. NADH donates electrons to the electron
transport chain
15.fermentation is primarily involved in the recycling of - ANSWER NAD+
,16.the greatest contributor of electrons to the electron transport chain is -
ANSWER the citric acid cycle
17.which of these is not true of the citric acid cycle?
a. the citric acid cycle includes the prep reaction
b. the citric acid cycle produces ATP by substrate-level ATP synthesis
c. the citric acid cycle occurs in the mitochondria
d. the citric acid cycle produces two ATP per glucose molecule. -
ANSWER a. the citric acid cycle includes the prep reaction
18.exergonic reactions - ANSWER are spontaneous, have a negative Delta G
value, release energy
19.what form of energy is not stable? - ANSWER ATP
20.which of these is not true of the electron transport chain?
a. it is located on the cristae of the mitochondria
b. it produces more NADH than any metabolic pathway
c. it contains cytochrome molecules
d. it ends when oxygen accepts electrons - ANSWER b. it produces
more NADH than any metabolic pathway
21.the oxygen required by cellular respiration is reduced and becomes part of
which molecule? - ANSWER H2O
22.the function of light reactions is to - ANSWER convert light energy into a
usable form of chemical energy
23.the calvin cycle reactions - ANSWER produce carbohydrate
convert one form of chemical energy into a different form of chemical energy
, regenerate more RuBP
use the products of the light reactions
24.the final acceptor of electrons during the light reactions of the noncyclic
electron pathway is - ANSWER NADP+
25.the oxygen given off by photosynthesis comes from - ANSWER H2O
26.the noncyclic electron pathway, but not the cyclic pathway, generates -
ANSWER NADPH
27.the ATP and NADPH from the light reactions are used to - ANSWER
convert 3PG to G3P
28.in the absence of sunlight, plants are not able to engage in the calvin cycle
due to a lack of - ANSWER ATP and NADPH
29.cellular respiration and photosynthesis both - ANSWER contain an electron
transport chain
30.which of the following does not occur in photosynthesis?
a. reduction of CO2
b. oxidation of water
c. reduction of oxygen - ANSWER reduction of oxygen
which part of a leaf carries on most of the photosynthesis of a plant? - ANSWER
mesophyll
