Microspheres are structures made up of lipid and protein membranes with many of the properties of a cell, such as metabolic pathways.

a. true
b. false


Ans: b. false

Biology & Microbiology

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Most cases of pharyngitis are caused by Group A ß-hemolytic streptococci

Indicate whether the statement is true or false

Biology & Microbiology

Some bones have __________ that makes blood cells.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Peripheral chemoreceptors are specialized cells in contact with arterial blood that respond directly to changes in blood

A) pH. B)PO2. C) PCO2. D) PCO2 andPO2. E) PO2, pH, andPCO2.

Biology & Microbiology

The ultimate, coordinated response of cells to a vast array of signals from the environment is known as ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology