In contrast to a predator, a parasite usually ____

a. does not kill their host or does not kill it immediately
b. kills its host
c. is a short-term visitor
d. is larger than its host
e. provides some benefit to the host


a

Biology & Microbiology

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Wood is an accumulation of 

A. bark. B. phloem. C. fruit. D. xylem.

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Uncommonly large feet, hands, chin, nose, and eyebrow ridges on a normal-sized body are characteristic of the condition ________, that is caused by ________.

A. Cushing's syndrome; adrenal cortex hormones B. Addison's disease; atrial natriuretic hormone C. pituitary dwarfism; hyposecretion of growth hormone in children D. acromegaly; overproduction of growth hormone in adults E. gigantism; overproduction of growth hormone in children

Biology & Microbiology

Histological samples prepared with the ________ stain may reveal the presence of abnormal cells

A) acid-fast B) Gram C) simple safranin D) methylene blue E) hematoxylin and eosin (HE)

Biology & Microbiology

Cellular membranes are mosaic and

A. polar. B. symmetrical. C. highly permeable to large molecules. D. fluid. E. rigid.

Biology & Microbiology