Surfactants is one of the later components made in the fetus (prior to birth).

a. true
b. false


Ans: a. true

Biology & Microbiology

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A capillary tube is used to acquire a small blood sample for CBC (complete blood count) analysis. Suction is not required to transfer the blood from the fingertip prick to the tube in part due to

A. covalent bonding between the water molecules. B. adhesive forces between the water molecules and the glass particles of the tube. C. ionic bonding between the water molecules. D. cohesive forces between the glass particles of the tube and the water molecules.

Biology & Microbiology

What types of cells produce antibodies?

a. T helper cells b. cytotoxic T cells c. plasma cells d. memory B cells

Biology & Microbiology

An organism with a temperature growth range of 45°C to 60°C would be called a(n) ________.

A. extremophile B. thermophile C. thermoduric microbe D. psychrophile E. facultative psychrophile

Biology & Microbiology

Statocysts contain cells that are _____

A) mechanoreceptors used to detect orientation relative to gravity B) chemoreceptors used in selecting migration routes C) photoreceptors used in setting biological rhythms D) thermoreceptors used in prey detection

Biology & Microbiology