Which of the following best describes what happens to an enzyme after it catalyzes a chemical reaction? (2 points) it is unchanged and can be used again for the same chemical reaction. its mass decreases since part of the molecule is used up. its shape changes, giving it different chemical and physical properties. it becomes chemically bonded to the products of the reaction.

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.

The us council on environmental quality, the world wildlife fund of the united states, the ecological society of america, the smithsonian institution, and the international union for the conservation of nature have proposed four principles of wildlife conservation. which of the following does not apply to wildlife conservation? a) continuous monitoring, analysis, and assessment b) ecosystem maintenance that includes wildlife c) a plan encompassing entire communities of organisms and all renewable resources d) a continued interest in harvesting populations for sport

What is the tern used to describe an individual that of a recessive allele that causes disease,but is otherwise healthy? a.carrier b.polycite c.target d.afflicted