Sperm find their way to the archegonium

a. by swimming.
b. due to a chemical gradient diffusing from the archegonium.
c. as a result of sucrose being released during the breakdown of the neck canal cells of the archegonium.
d. by all of the above.


b

Biology & Microbiology

You might also like to view...

The underlying problem in Gaucher disease is ____

a. the spontaneous breakdown of red blood cells b. the accumulation of fat in white blood cells c. the breakdown of the myelin sheath around nerves d. a hypertrophied spleen e. the lack of critical liver enzymes

Biology & Microbiology

After transcription and before translation, eukaryotic mRNA is modified by adding

A) tRNAs and amino acids. B) amino acids and a poly-A tail. C) a cap of modified nucleotides and a poly-A tail. D) an AUG at one end and a poly-U tail at the other.

Biology & Microbiology

A developer putting tract housing in a previously pristine area plans numerous small open space areas

where the original habitat is to remain. As a conservationist, how would you suggest changing the plan, if at all? (Canceling the development is not an option.)

What will be an ideal response?

Biology & Microbiology

With __________ growth, a small population starts

growing slowly, then grows rapidly, and then levels off once __________ is reached. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology