What is trypsin?
a. an enzyme in the small intestine that digests
proteins.
b. an enzyme in the stomach that digests
protein.
c. an enzyme in the oral cavity that digests
starch.
d. an enzyme in the small intestine that digests
starch.
e. an enzyme in the liver that breaks down
toxins
A
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A dihybrid test cross should always result in 50% of the progeny being recessive for both traits
Indicate whether the statement is true or false.
A nematocyst is a type of stinging cell
____________________ Indicate whether the statement is true or false.
Why can an insect eye detect motion better than the human eye?
a. Insects' eyes lack overlapping visual fields, and they are able to gather information from a narrow area. b. Insects have compound eyes that are very good for depth perception and hence detecting movement. c. The multiple ommatidia allow the insect eye to focus more acutely on an image. d. The lens of the insect eye is concaved, which provides better focusing capabilities than the convex lens of the human eye. e. The total range of vision for an insect eye is much narrow than that for a human eye
When lactose is first introduced into the medium, the lac operon is not induced and thus permease isn't induced. How it is possible for lactose to enter the cell before the lac operon is induced?
What will be an ideal response?