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PCAT biology practice test Questions and Answers with 100% Complete Solutions | verified &updated 2024

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PCAT biology practice test Questions and Answers with 100% Complete Solutions | verified &updated 2024

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  • November 8, 2024
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PCAT biology practice test Questions and
Answers with 100% Complete Solutions |
verified &updated 2024




the exposure time at a given temperature needed to reduce the number of

microorganisms by 90% is called:


a) decimal reduction time


b) time constant


c) phenol coefficient


d) toxicity index - ✔✔decimal reduction time




glycoproteins produced by virus-infected cells that signal neighboring tissues to

resist infection are known as:


a) interferons

,b) lymphocytes

c) histamine


d) T cells - ✔✔interferons




which parasite causes malaria?


a) trypanosoma gambiense


b) plasmodium falciparum


c) borrelia burgdorferi


d) wuchereria bancrofti - ✔✔plasmodium falciparum




during muscle rest, mysoin cross bridges are:


a) associated with ADP molecules

b) not attached to actin


c) releasing inorganic phosphate


d) attached to the thin filament - ✔✔not attached to actin

,which of the following is true about muscle contractions?


a) Z lines move further apart

b) I bands shorten


c) thick filaments is composed of actin


d) actin cross bridges bind to myosin - ✔✔I bands shorten




which of the primary germ layers in an embryo develops into the muscles,

kidneys, skeleton and circulatory system?


a) coelom


b) mesoderm


c) ectoderm


d) endoderm - ✔✔mesoderm




tissues of which uterine lining are shed per month if pregnancy does not occur?

, a) perimetrium

b) myometrium


c) endometrium


d) peritoneum - ✔✔endometrium




water reclamation to form stool occurs in:


a) small intestine


b) appendix


c) gall bladder


d) large intestine - ✔✔large intestine




which epidermal cell type is involved in touch sensations?


a) melanocytes


b) langerhans cells


c) keratinocytes

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