Which of the following eras occurred first?

A. Precambrian

B. Mesozoic

C. Cenozoic

D. Paleozoic

Monosaccharides ("mono" = one,"saccharide" = sugar) are single sugar molecules. what is an example of a common monosaccharide? A. Cellulose B. Glucose

What type of cell passes on mutations red blood cell egg cell skin cell nerve cell

1. In intestinal epithelial cells, a transport protein moves the bulky, polar glucose molecules through the membrane into the cytoplasm, while simultaneously transporting Na + through the membrane into the cell down its electrochemical gradient.

Which occurs during translation? A. mRNA is created by using a DNA template. B. mRNA codons are joined by tRNA anticodons to assemble amino acids to form a protein. C.

On a clear, sunny winter day with an outside temperature of - 10ºC, you hang your freshly laundered clothes outside. In the morning when you hung them out, the wet clothes quickly froze, but went to being completely dry by afternoon.

Select the atoms that are likely to lose electrons to form cations: A. Iodine (I) B. Lithium (Li) C. Bromine (Br) D. Potassium (K)

How does a law differ from a theory? A. A law is a theory that has been proven to be true and universal. B. A theory is a group of hypotheses that prove a law is true. C. A law is a statement of fact, but a theory is an explanation. D.

Can someone give me a high school level science fair projects with something to do with bones?

The storage of heat in the lower layer of the atmosphere due to certain gases absoring heat is called

A red blood cell is 8 μm in diameter. If drawn 100 times larger than its actual size, what diameter will the drawing be in mm? A. 0.08 mm B. 0.8 mm C. 8 mm D. 80 mm