Mastication is a process that facilitates A. propulsion of materials through the intestine, and it involves simultaneous secretion of enzymes. B. mixing of food within the stomach, and it occurs with simultaneous hormone secretion there. C. swallowing of food, and it increases the surface area of the food for exposure to enzymes. D. absorption of nutrients into the bloodstream, and it involves carrier proteins in the epithelium.

Granite rock is light in color. which feature directly contributes to this color? the process that forms granite the amount of silica minerals in granite the shape of the grains found in granite the unique pattern formed by grains in granite

Prompt compare the three types of volcanic mountains in terms of shape, type of eruption, and the minerals that make up the volcano

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