Answer:
b. Pollen tubes did not enter all of the ovules in such pods
Explanation:
Quite sometimes, ovules fail to mature seeds because most of their flowers do not receive enough pollen to fertilize all of their ovules and are eventually aborted, thereby resulting in some ovules becoming mature seeds and others do not get matured.
the protist is eukaryotic
the protist is unicellular
the protist is a living organism
An enzyme attracts substrates to its active site, catalyzes the chemical reaction by which products are formed, and then allows the products to dissociate (separate from the enzyme surface).
Texture in order to reach the element of prosperity