Which of the following are not a part of a molecule of DNA?

a) deoxyribose

b) nitrogenous base

c) phosphate

d) ribose

If a wound overwhelms the clotting mechanism and leads to serious hemorrhage and drop in blood pressure, what compensations does the body have to defend cardiac output?

A bacterial gene 900 nucleotides long can code at most for a polypeptide of how many amino acids?

What is the role of the effector in a feedback loop? It detects a change due to a stimulus. It causes a response to a stimulus. It is the response to a stimulus.

Which three statements about electromagnetic radiation are true? Light is a kind of electromagnetic radiation. Electromagnetic radiation can travel only short distances. Electromagnetic radiation has no mass.

Why is it important to keep a microscope at least 10 cm from the edge of thr table?

The movement of water is able to transport minerals and nutrients. Which statement best explains why water is able to do this? A. Water is an excellent solvent. B. Water absorbs heat energy. C. Water has a density of one gram per milliliter. D.

Maintains a constant body temperature even when external temperature changes external temperature sets the internal temperature internal temperature constantly changes A. endotherm B. ectotherm C. poikilotherm

Which of the following statements regarding the control of C. botulinum in canned sauerkraut is not correct? a. salt in the sauerkraut inhibits the growth of C. botulinum bacteria b. an acidic pH (less than 4.

What are some careers involving animals? I want to become a vet, but are there other options?

Wind that blows from land to offshore causes