Membrane delimited intracellular structures that perform specific functions in cells are called

A. organs.
B. organelles.
C. tissues.
D. systomis.


Answer: B

Biology & Microbiology

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Which of the following describes the labia?

A. The labia majora are hairless folds of skin. B. The labia minora are covered with pubic hair. C. The clitoral hood is formed by the labia majora. D. The Bartholin glands lie inside the labia minora.

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Fossils like Archaeopteryx offer evidence linking

A. reptiles and mammals. B. amphibians and reptiles. C. birds and mammals. D. birds and dinosaurs. E. fish and amphibians.

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In double fertilization, one sperm fuses with the egg, and the other sperm fuses with the two antipodal

nuclei. ____________________ Indicate whether the statement is true or false.

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Which of the following pairs is mismatched?

A) tick — Rocky Mountain spotted fever B) tick — Lyme disease C) mosquito — malaria D) mosquito — Pneumocystis E) mosquito — encephalitis

Biology & Microbiology