Which element(s) is common to all organic molecules?

A. oxygen
B. nitrogen
C. hydrogen
D. carbon
E. both nitrogen and carbon


D. carbon

Biology & Microbiology

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Which of the following is not a target for immune complex deposition?

A. Joints B. Kidneys C. Blood vessels and skin D. Heart and lungs E. Brain

Biology & Microbiology

A cleavage furrow is _____

A) a ring of vesicles forming a cell plate B) the separation of divided prokaryotes C) a groove in the plasma membrane between daughter nuclei D) the space that is created between two chromatids during anaphase

Biology & Microbiology

Which type of organism would have the least chance of long-term survival in the given environment?

a. osmoconformers in seawater b. euryhaline animals in fresh water c. stenohaline animals that move between fresh water and seawater d. osmoregulators in seawater e. euryhaline animals in seawater

Biology & Microbiology

The monomer of a nucleic acid is called a (nucleoside/nucleotide/base).

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology