When a person's red blood cells have neither A nor B antigens, what is the blood type of this person?

A. A

B. AB

C. B

D. O

What happens in capillaries?

Which of the following is NOT a function of the lymphatic system? transports proteins and fluids serves as a pathway for the absorption of fats O produces thrombocytes O protects the body against pathogens

What could be some weakness with using a test cross to determine Fred's genotype?

Reorder the elements aluminum, oxygen, fluorine, calcium, and hydrogen from the least to the greatest number of protons. Use the periodic table if needed.

Does the atmosphere breath? A. True B. False

Which of these activities is not considered to be a marine ecosystem threat? overfishing. ocean pollution. coastal development. ocean alkalinity?

What is another common intramuscular injection site for 2mL or less of a drug? a Ventrogluteal b. Vastus Lateralis c Deltoid d Infraspinatus

Which element acts as a hydrogen acceptor during aerobic respiration? (A) hydrogen (B) carbon (C) oxygen (D) nitrogen (E) phosphorus Can someone explain this one for me?

How do bacteria and viruses differ in the ways they affect cells in the body?

What does high water potential mean?