BIOC 385 FINAL || with 100% Accurate Solutions.
The term greenhouse effect refers to the idea that correct answers The temperature of the earth is
increasing because of heat trapped by gasses such as CO2
What is the overall reaction for the Calvin Cycle, or dark reactions? correct answers 3CO2 +
6NADPH + 9ATP + 6H2O --> Glyceraldehyde-3-Phosphate + 6 NADP+ + 9ADP + 9Pi
What is the overall balanced reaction for the light reactions of photosynthesis? correct answers
2H2O + 8photons + 2NADP+ + 3ADP + 3Pi --> O2 + 2NADPH + 3ATP
For photosynthesis, sunlight energy drives electron transfer. Where are the electrons ejected from
when light is absorbed? correct answers Light harvesting pigments in PSI and PSII
Resonance energy transfer from one chlorophyll in the photosystems results in correct answers a
neighboring chlorophyll in an excited state
Which enzyme in the photosynthetic Z scheme catalyzes the PQ cycle, which is analogous to
Complex III and the Q cycle in the mitochondrial electron transport chain? correct answers
cytochrome b6f
Which electron carrier molecule in the photosynthetic electron chain is largely hydrophobic and
found floating in the thylakoid membrane? correct answers plastoquinone
In addition to the pumping of protons with the photosynthetic electron transport, what else
contributes to establishing the proton gradient? correct answers The formation of O2 from H2O
The primary difference between ATP synthesis in photosynthesis and ATP synthesis in the
mitochondrial electron transport chain is correct answers cellular location of the proton motive
force
The energy derived from the photosynthesis and used to make ATP is manifested in what form?
correct answers an acidic thylakoid lumen
What is a reason for keeping PSI and PSII separate in the chloroplasts? correct answers They
would quench each other by energy tranfer
The calvin cycle requires which species from the light reactions? correct answers ATP and
NADPH
Why are Calvin Cycle reactions also referred to as the dark reactions? correct answers They do
not absorb sunlight energy
Overall, the net balanced reaction of the Calvin cycle converts 3 CO2 into one correct answers
Glyceraldehyde-3-Phosphate (G3P)
,Which of the following is true of stage 2 of the Calvin Cycle? correct answers Almost all of the
NADPH and ATP from the light reactions are used in stage 2
Under what conditions do the wasteful side reaction of O2 with rubisco become significant?
correct answers increased temperature and intense light
In C3 plants CO2 in first incorporated into _________, whereas in C4 and CAM plants the CO2
is first incorporated into ___________. correct answers 3-phosphoglycerate; oxaloacetate
Unlike in plant cells, animal cells lack the glyoxylate enzymes correct answers isocitrate lyase
and malate synthase
Which simple sugar major group ranges in size from 3 to 20 branched and unbranched sugar
residues correct answers oligosaccharides
Which glucose homopolymer is generated during daylight hours in plants? correct answers
Starch
Glycoconjugates are linked to proteins or lipids via correct answers covalent bonds
Which of the following oligosaccharides are found in high abundance in some types of
vegetables andhave been known to cause intestinal distress? correct answers verbascose
Eating large amounts of vegetables can cause flatulence because of the presence of correct
answers raffinose
The structure of raffinose, stachyose, and verbascose differ in the amount of __________ units
attached to a ______________ correct answers galactose; sucrose
How are glycosaminoglycans attached to proteins? correct answers covalent bonds
Which glycan contains both ?-1,4 glycosidic bonds and ?-1,6 glycosidic bonds? correct answers
amylopectin
Amylose can form stable left-handed helical structures because of correct answers Hydrogen
bonds
What type of antibody or antibodies is/are founr in the plasma of a person with type O blood?
correct answers Both anti-A and anti-B
What type of antibody/ies are found in the plasma of a person with type B blood? correct
answers anti-A
Gram-positive bacteria have a peptidoglycan layer that consists of _________, which provides
structural support and influences the uptake of charged biomolecules correct answers
lipoteichoic acid
, Which functions group on penicillin forms a complex with transpeptidase of the bacteria wall?
correct answers carbonyl
Both methicillin and penicillin are inactive when exposed to correct answers varient
transpeptidase
What method is used to release the O-linked glycan groups from the membrane-associated
glycoconjugates in "2" in the figure below? correct answers chemical cleavage using a beta-
elimination reaction
Why are glycans more difficult to structurally analyze compared with proteins or nucleic acids?
correct answers Glycans have sugar isomers with identical masses
Which flourescent dye is used to label glycans before HPLC correct answers 2-aminobenzamide
To detect lectins on the surface of pathogenic and nonpathogenic bacteria, _________ would be
used correct answers a glycan array
(FIGURE W/ CIRCLES ONE ARROW A POINTS TO A GREY CIRCLE ARROW B POINTS
TO A WHITE CIRCLE) What does a grey circle mean? What does a white circle mean? correct
answers Grey: There is no interaction between glycan and the lectin wall
White: There is a glycan-lectin interaction in the well
(FIGURE W/ sedoheptulose-7-P + G3P --> fructose + erythrose) Which enzyme class catalyzes
the following pentose phosphate pathway reaction? correct answers transferase
(FIGURE W/ a reaction and NADP+ --> NADPH + H) Which enzyme in the pentose phosphate
pathway catalyzes the following reaction? correct answers 6-phosphogluconate dehydrogenase
Which enzyme in the pentose phosphate pathway is regulated to control flux through the
pathway? correct answers glucose-6-phosphate dehydrogenase
Which of the following metabolites is not a gluconeogenesis substrate in humans? correct
answers acetate
Two moles of pyruvate molecules running through the gluconeogenesis pathway to give 1 mole
of glucose requires the hydrolysis of ________ moles of ATP equivalents correct answers 6
How many moles of NADH are required in gluconeogenesis to convert 2 moles of pyruvate
molecules into 1 mole of glucose correct answers 2
The gluconeogenesis pathway correct answers converts two 3C sugars into a 6C sugar
In the reaction catalyzed by pyruvate carboxylase (the first reaction in gluconeogenesis), CO2 is
correct answers activated by ATP energy
The term greenhouse effect refers to the idea that correct answers The temperature of the earth is
increasing because of heat trapped by gasses such as CO2
What is the overall reaction for the Calvin Cycle, or dark reactions? correct answers 3CO2 +
6NADPH + 9ATP + 6H2O --> Glyceraldehyde-3-Phosphate + 6 NADP+ + 9ADP + 9Pi
What is the overall balanced reaction for the light reactions of photosynthesis? correct answers
2H2O + 8photons + 2NADP+ + 3ADP + 3Pi --> O2 + 2NADPH + 3ATP
For photosynthesis, sunlight energy drives electron transfer. Where are the electrons ejected from
when light is absorbed? correct answers Light harvesting pigments in PSI and PSII
Resonance energy transfer from one chlorophyll in the photosystems results in correct answers a
neighboring chlorophyll in an excited state
Which enzyme in the photosynthetic Z scheme catalyzes the PQ cycle, which is analogous to
Complex III and the Q cycle in the mitochondrial electron transport chain? correct answers
cytochrome b6f
Which electron carrier molecule in the photosynthetic electron chain is largely hydrophobic and
found floating in the thylakoid membrane? correct answers plastoquinone
In addition to the pumping of protons with the photosynthetic electron transport, what else
contributes to establishing the proton gradient? correct answers The formation of O2 from H2O
The primary difference between ATP synthesis in photosynthesis and ATP synthesis in the
mitochondrial electron transport chain is correct answers cellular location of the proton motive
force
The energy derived from the photosynthesis and used to make ATP is manifested in what form?
correct answers an acidic thylakoid lumen
What is a reason for keeping PSI and PSII separate in the chloroplasts? correct answers They
would quench each other by energy tranfer
The calvin cycle requires which species from the light reactions? correct answers ATP and
NADPH
Why are Calvin Cycle reactions also referred to as the dark reactions? correct answers They do
not absorb sunlight energy
Overall, the net balanced reaction of the Calvin cycle converts 3 CO2 into one correct answers
Glyceraldehyde-3-Phosphate (G3P)
,Which of the following is true of stage 2 of the Calvin Cycle? correct answers Almost all of the
NADPH and ATP from the light reactions are used in stage 2
Under what conditions do the wasteful side reaction of O2 with rubisco become significant?
correct answers increased temperature and intense light
In C3 plants CO2 in first incorporated into _________, whereas in C4 and CAM plants the CO2
is first incorporated into ___________. correct answers 3-phosphoglycerate; oxaloacetate
Unlike in plant cells, animal cells lack the glyoxylate enzymes correct answers isocitrate lyase
and malate synthase
Which simple sugar major group ranges in size from 3 to 20 branched and unbranched sugar
residues correct answers oligosaccharides
Which glucose homopolymer is generated during daylight hours in plants? correct answers
Starch
Glycoconjugates are linked to proteins or lipids via correct answers covalent bonds
Which of the following oligosaccharides are found in high abundance in some types of
vegetables andhave been known to cause intestinal distress? correct answers verbascose
Eating large amounts of vegetables can cause flatulence because of the presence of correct
answers raffinose
The structure of raffinose, stachyose, and verbascose differ in the amount of __________ units
attached to a ______________ correct answers galactose; sucrose
How are glycosaminoglycans attached to proteins? correct answers covalent bonds
Which glycan contains both ?-1,4 glycosidic bonds and ?-1,6 glycosidic bonds? correct answers
amylopectin
Amylose can form stable left-handed helical structures because of correct answers Hydrogen
bonds
What type of antibody or antibodies is/are founr in the plasma of a person with type O blood?
correct answers Both anti-A and anti-B
What type of antibody/ies are found in the plasma of a person with type B blood? correct
answers anti-A
Gram-positive bacteria have a peptidoglycan layer that consists of _________, which provides
structural support and influences the uptake of charged biomolecules correct answers
lipoteichoic acid
, Which functions group on penicillin forms a complex with transpeptidase of the bacteria wall?
correct answers carbonyl
Both methicillin and penicillin are inactive when exposed to correct answers varient
transpeptidase
What method is used to release the O-linked glycan groups from the membrane-associated
glycoconjugates in "2" in the figure below? correct answers chemical cleavage using a beta-
elimination reaction
Why are glycans more difficult to structurally analyze compared with proteins or nucleic acids?
correct answers Glycans have sugar isomers with identical masses
Which flourescent dye is used to label glycans before HPLC correct answers 2-aminobenzamide
To detect lectins on the surface of pathogenic and nonpathogenic bacteria, _________ would be
used correct answers a glycan array
(FIGURE W/ CIRCLES ONE ARROW A POINTS TO A GREY CIRCLE ARROW B POINTS
TO A WHITE CIRCLE) What does a grey circle mean? What does a white circle mean? correct
answers Grey: There is no interaction between glycan and the lectin wall
White: There is a glycan-lectin interaction in the well
(FIGURE W/ sedoheptulose-7-P + G3P --> fructose + erythrose) Which enzyme class catalyzes
the following pentose phosphate pathway reaction? correct answers transferase
(FIGURE W/ a reaction and NADP+ --> NADPH + H) Which enzyme in the pentose phosphate
pathway catalyzes the following reaction? correct answers 6-phosphogluconate dehydrogenase
Which enzyme in the pentose phosphate pathway is regulated to control flux through the
pathway? correct answers glucose-6-phosphate dehydrogenase
Which of the following metabolites is not a gluconeogenesis substrate in humans? correct
answers acetate
Two moles of pyruvate molecules running through the gluconeogenesis pathway to give 1 mole
of glucose requires the hydrolysis of ________ moles of ATP equivalents correct answers 6
How many moles of NADH are required in gluconeogenesis to convert 2 moles of pyruvate
molecules into 1 mole of glucose correct answers 2
The gluconeogenesis pathway correct answers converts two 3C sugars into a 6C sugar
In the reaction catalyzed by pyruvate carboxylase (the first reaction in gluconeogenesis), CO2 is
correct answers activated by ATP energy
