Enzymes are able to increase the speed of a reaction because they accomplish
which of these tasks?
a. they alter the net energy change of reaction.
b. they decrease the activation energy.
c. they absorb energy from the reactants.
d. they absorb energy from the products.

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials

Can someone i have no idea of how to do this.