Which of the following substances is directly involved in photosynthesis?

chlorophyll

phospholipid

mRNA

oxygen

chromatin

What is happening to an object when it has a negative acceleration?

Bee venom is given as a shot for rheumatoid arthritis, nerve pain (neuralgia), multiple sclerosis (ms), reducing the reaction to bee stings in people who are allergic (desensitization) to them (venom immunotherapy), swollen tendons (tendonitis), and

The element important to life that are recycle are

A pesticide used by a farmer begins to appear in the tissue of carnivores that live far from the farm. which of the following is the best inference about this situation? a. the pesticide is not effective. b.

The major consumptive use of water in most parts of the world is for

What is an acid? Select all that apply. A substance that releases hydroxide ions in water A substance that releases hydrogen ions in water A substance that tastes sour A substance with a pH below 7 A substance that tastes bitter

Skin color is determined by three to five gene pairs. This makes skin color

How many pills does a person have to take to prevent organ rejection?

Which of the following statements is true based on information found in the table above? A. Each type of bacteria can cause only one disease. B. All forms of bacteria are infectious agents. C. Fever is present in any living organism with bacteria. D.

Which of the following best explains why pancreatic amylase is able to break down starches, but not lipids?