Which of the following changes takes place during the third trimester of a womans pregnancy A.) the fetus begins to form teeth
B.) the fetus develops toenails, lips, and eyelashes
C.)The mothers uterine contractions begin
D.) the fetus’s hands and feet appear

Which would be the most useful source of evidence to support mcneill's contention?

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.