Filters
Question type

Study Flashcards

The plasma membranes of root hair cells contain a variety of protein transport channels through which specific ions are transported, even against large concentration gradients, by


A) electron pumps.
B) carbohydrate pumps.
C) water pumps.
D) proton pumps.

E) A) and B)
F) B) and C)

Correct Answer

verifed

verified

The Calvin Cycle can only produce sugar if ______can enter through the pores of the leaves.


A) O2
B) CO2
C) water
D) potassium

E) A) and B)
F) B) and C)

Correct Answer

verifed

verified

Which of the following equations represents the total water potential of a plant?


A) s2 + p2 = w2
B) Ψ\Psi s = Ψ\Psi p + Ψ\Psi w
C) Ψ\Psi p = Ψ\Psi w + Ψ\Psi s
D) Ψ\Psi w = Ψ\Psi p + Ψ\Psi s

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Turgor is most directly related to the plant cells'


A) total water potential.
B) pressure potential.
C) solute potential.
D) osmosis.

E) B) and D)
F) B) and C)

Correct Answer

verifed

verified

Plants living in standing water often face which of the following problems?


A) increased CO2 levels
B) chilling of the roots
C) oxygen deprivation
D) loss of stomata

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Showing 41 - 45 of 45

Related Exams

Show Answer