With a biology question

19. what is true of flagellates?

a. they can move through air.
b. they can make their own food in sunlight.
c. they use pseudopods to capture food.
d. they can move through water.

Ineed to know why d is the correct answer asap

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.