An enzyme known as amylase is found in the saliva of humans. this enzyme to begin the process of digesting starch molecules in the foods we eat. which of these best describes how enzymes like amylase in the process of digestion?
a) amylase acts as a buffer to keep the ph of foods at a consistent level.
b) amylase breaks down the food molecules directly by forming powerful acids.
eliminate
c) amylase is a catalyst that speeds up the chemical process of breaking down food molecules.
d) amylase contains the dna molecules necessary to assemble the proteins needed for digestion.

Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10