Pollen requires all of the following to germinate

EXCEPT
a. contact with epidermal cells of the stigma
b. binding to the stigma by species specific
adhesion proteins
c. nutrients to diffuse into the dry pollen
d. metabolism to begin in the two cells in the
pollen grain
e. all of these are required


Answer: e

Biology & Microbiology

You might also like to view...

A population of mostly ____ individuals with a ____ generation time and a ____ proportion of females

is expected to show the most growth in the future.

a. prereproductive; short; high b. reproductive; short; high c. reproductive; long; low d. postreproductive; long; low e. prereproductive; short; low

Biology & Microbiology

Hepatitis B can be spread by what

What will be an ideal response?

Biology & Microbiology

Filtering of blood and recycling of dead red blood cells are functions of the:

A) liver. B) spleen. C) pancreas. D) kidneys.

Biology & Microbiology

Which pair of values best fills in the blanks in this statement: On average, eukaryotic cells are __________ times longer and have _________ times more volume than prokaryotic cells

(a) 5, 100 (b) 10, 200 (c) 10, 100 (d) 10, 1000

Biology & Microbiology