1.) If a strand of DNA has 10% G, what percent will be T? 2.) If a strand of DNA has 45% A, what percent will be C?

3.) If a strand of DNA has 24% T, what percent will be G?

Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required

The transport tubes for food coming down the plants are called?

Which of the following is an advantage of using embryonic stem cells in medical research? a. the use of embryonic stem cells is much less expensive than the use of adult stem cells. o b. no living tissue is damaged when scientists use embryonic stem cells. o c. embryonic stem cells are able to differentiate into a wider range of cells than adult stem cells. d. there is no controversy surrounding the use of embryonic stem cells.