Which of these is most likely an enzyme?
A. Amylase
B. Fructose
C. Sucrose
D. Galactose

What came first egg or chicken? and is tomato a vegetable or a fruit?

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand