QUESTION 32 1. C4 photosynthesis (select all that apply) A. initially does carbo
ID: 316889 • Letter: Q
Question
QUESTION 32
1. C4 photosynthesis (select all that apply)
A.
initially does carbon fixation in the mesophyll cells
B.
has an extra carbon fixation step, which uses the enzyme PEPcase
C.
partions carbon dioxide fixation through time
D.
enables some plants to avoid photorespiration
QUESTION 46
1. Functions of membrane proteins include
A.
acting as receptors
B.
acting as channels
C.
acting as membranes
D.
acting as connectors between cells
E.
acting as carriers
1 points
QUESTION 52
1. The sodium potassium pump
A.
is an example of a facilitated diffusion carrier protien
B.
requires the expenditure of energy in the form of ATP
C.
Moves sodium against its concentration gradient
D.
Moves potassium against its concentration gradient
A.
initially does carbon fixation in the mesophyll cells
B.
has an extra carbon fixation step, which uses the enzyme PEPcase
C.
partions carbon dioxide fixation through time
D.
enables some plants to avoid photorespiration
Explanation / Answer
Answer for Q32:- following are true about C4 plants
A.
initially does carbon fixation in the mesophyll cells
B.
has an extra carbon fixation step, which uses the enzyme PEPcase
D.
enables some plants to avoid photorespiration
Answer/Q46:- All are true for membrane proteins ecxep option d.
acting as receptors, channels, connectors between cells and carriers.
Answer/52:-
The sodium potassium pump involves
B.
requires the expenditure of energy in the form of ATP
C.
Moves sodium against its concentration gradient
D.
Moves potassium against its concentration gradient
A.
initially does carbon fixation in the mesophyll cells
B.
has an extra carbon fixation step, which uses the enzyme PEPcase
D.
enables some plants to avoid photorespiration
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