The chemical arrangement in the figure below is on the end of a long molecule of a(n)





A. steroid.

B. fatty acid.

C. carbohydrate.

D. unsaturated fat.


B. fatty acid.

Biology & Microbiology

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The only cetaceans known to feed on warm-blooded animals are the:

a. sperm whales. b. bottlenose dolphins. c. killer whales. d. porpoises. e. minke whales.

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What type of mollusk has a closed circulatory system? 

A. clam B. snail C. squid D. slug E. scallop

Biology & Microbiology

The four most common elements found in living organisms are ________

A) nitrogen, oxygen, phosphorus, and carbon B) carbon, oxygen, nitrogen, and hydrogen C) carbon, oxygen, potassium, and calcium D) oxygen, calcium, hydrogen, and carbon

Biology & Microbiology

When glycolysis occurs,

A.) a molecule of glucose is split. B.) a molecule of glucose is formed. C.) photosynthesis begins. D.) pyruvates are combined.

Biology & Microbiology