QUESTION 32 1 C4 photosynthesis select all that apply A init

QUESTION 32

1. C4 photosynthesis (select all that apply)

initially does carbon fixation in the mesophyll cells

has an extra carbon fixation step, which uses the enzyme PEPcase

partions carbon dioxide fixation through time

enables some plants to avoid photorespiration

QUESTION 46

1. Functions of membrane proteins include

acting as receptors

acting as channels

acting as membranes

acting as connectors between cells

acting as carriers

1 points

QUESTION 52

1. The sodium potassium pump

is an example of a facilitated diffusion carrier protien

requires the expenditure of energy in the form of ATP

Moves sodium against its concentration gradient

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

Answer for Q32:- following are true about C4 plants

initially does carbon fixation in the mesophyll cells

has an extra carbon fixation step, which uses the enzyme PEPcase

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

requires the expenditure of energy in the form of ATP

Moves sodium against its concentration gradient

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