Many macromolecules are made of component pieces, attached together into long chains. which of the following correctly pairs one of the four macromolecules with its component piece? a) rna; protein b) lipid; amino acid c) protein; nucleic acid d) complex carbohydrate; simple sugar

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin

Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***