Blood and tissue fluids of healthy people
a. contain different normal flora than found on
the skin.
b. contain the same normal flora as found on
the skin.
c. contain twice as many bacteria and yeast as
found on the skin.
d. contain only protozoa as part of the normal
flora.
e. are generally sterile and contain no
microorganisms
E
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Haploinsufficiency ____
a. produces Barr bodies
b. results from elevated gene dosage c. occurs when a diploid organism has only one functional copy of a gene d. occurs due to gene duplication e. refers to the loss of a whole set of chromosomes
The most abundant phagocytes in our immune
system arsenal are the
a. macrophages. b. neutrophils. c. monocytes. d. dendritic cells. e. T lymphocytes
Plasmids are small, circular, supercoiled DNA molecules found in some bacteria. They usually do not carry essential genes, but some plasmids, such as R (resistance) plasmids, carry genes coding for antibiotic resistance. All plasmids have their own origin of replication, so that they are replicated along with the host chromosome and passed along to progeny cells. Only some plasmids possess genes that allow for transmittal to other bacteria by the process of conjugation.
a. true b. false
Choose the most appropriate statement that matches each term.
A. B. C. bacteria D. E. archaea F. composite heritage G. H. I.