Unlike other epithelia the epithelia that make up the capillaries have holes in them called fenestrations.

a. true
b. false


Ans: a. true

Biology & Microbiology

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An infectious protein is a

A) bacteriophage. B) prion. C) retrovirus. D) viroid. E) papovavirus.

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The thick wall that separates the heart into a left and right half is the

a. septum. b. myocardium. c. pericardium. d. endocardium. e. chordae tendinae.

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On which body segment are arthropod wings attached?

A) head B) abdomen C) thorax D) evenly split between the abdomen and thorax

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Skin color is coded for by several different genes which results in a range of skin colors from very dark to very light. This is an example of

a. polygenic inheritance b. multifactorial trait. c. pleiotropy. d. incomplete dominance

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