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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On which body segment are arthropod wings attached?
A) head B) abdomen C) thorax D) evenly split between the abdomen and thorax
Biology & Microbiology
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.
Biology & Microbiology
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
Biology & Microbiology
An infectious protein is a
A) bacteriophage. B) prion. C) retrovirus. D) viroid. E) papovavirus.
Biology & Microbiology