Which structure shows where pollen grains develop?

a. structure b
b. structure d
c. structure c
d. structure a

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.

The image below shows a weather service map. which details best describe this map? check all that apply

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.