The enzyme salivary amylase in the mouth breaks down starch into the simple sugar glucose. The mouth has a pH of 7. Salivary amylase will 

A. also break down starch in the stomach, which has a pH of 2.
B. be able to break down proteins to amino acids in the stomach.
C. be able to break down starch in a test tube. It doesn't need to be in the mouth.
D. only work at body temperature.


C. be able to break down starch in a test tube. It doesn't need to be in the mouth.

Biology & Microbiology

You might also like to view...

Which of the following determines whether or not a wine is considered to be dry?

A. The percentage of alcohol after fermentation B. The amount of free sugar after fermentation C. The type of grape used as a starting material D. The amount of carbon dioxide after fermentation

Biology & Microbiology

A hybrid zone is defined as an area where two populations may breed and produce ____

a. inviable, sterile offspring b. viable host races c. inviable hybrid subspecies d. viable, fertile offspring e. viable, sterile offspring

Biology & Microbiology

Which of the following transmission modes is available for plants?

A) direct B) intermediate vector C) multiple hosts and stages D) all of the above

Biology & Microbiology

Which of the following taxonomic levels is most inclusive?

A) order B) genus C) family D) class

Biology & Microbiology