The neanderthal skeleton known as the "old man" showed evidence of many injuries over a long life. several broken bones had healed, and almost all of his teeth had fallen out. what does this most likely indicate? a. neanderthal bones were very delicate and easily broken. b. the neanderthals practiced cannibalism. c. the neanderthals cared for the wounded and the elderly. d. the neanderthals ate a lot of sugary foods, causing tooth decay.

What do science, technology, and disease have to do with each other?

1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme

Question 3(multiple choice worth 4 points) (02.04 lc) which best describes the function of chloroplast? allows certa molecules to enter and exit the cell makes food during photosynthesis detoxifies waste products o packages proteins into vesicles