Surface area in many kinds of organs is important because the amount of surface determines 

A. how much material can pass through the membrane.
B. which kinds of materials can pass through the membrane.
C. when materials can pass through the membrane.
D. where materials can pass through the membrane.


A. how much material can pass through the membrane.

Biology & Microbiology

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Plasmodium falciparum is a protistan parasite, borne by mosquitoes, that constitutes a serious health problem for humans. The disease it causes is:

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Within any ecosystem, the two major food chains are the ________ food chain and the grazing food chain

Fill in the blank(s) with correct word

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Which is not true about Humulin?

a) it caused more adverse reactions in humans as compared to insulin from cows and pigs b) it was the first recombinant DNA to be approved by the FDA c) it was the first genetically engineered pharmaceutical product d) it is mass produced by Eli Lilly pharmaceutical company

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Individuals with asthma should exercise in cold weather whenever possible.

a. true b. false

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