Creating conditions in the laboratory that promote the growth of some microbes while inhibiting the growth of others is called
A) complex culturing.
B) reducing conditions.
C) enrichment culturing.
D) transport conditions.
E) differential culturing.
C
Bloom's Taxonomy: Comprehension
Section: Culturing Microorganisms
Learning Outcome: 6.11
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A woman comes to your genetic counseling center because she knows that Huntington disease occurs in members of her family. Her paternal grandfather was afflicted, but so far her father shows no symptoms. Her two great-great grandmothers on her father's side were healthy well into their 90s, and one of her great-great grandfathers died of unknown causes at 45. Testing for Huntington disease is
extremely expensive, but she is concerned that she may fall victim to this disease and wants to plan her life accordingly. After examining her pedigree you advise her to A. not get tested because there is no possibility that she is homozygous. B. not get tested because only males in her family get the disease. C. get tested because her father could be a carrier. D. not get tested because her father is only a carrier and it is very unlikely her mother is a carrier. E. not get tested because her 40-year-old father shows no symptoms.
Metabolic rate can be measured indirectly by measuring consumption of what substance?
A. water B. carbon dioxide C. oxygen D. insulin E. None of these answers are correct.
Using species names for viruses is controversial since viruses are not considered living organisms, and they change over time so characteristics that may be used for speciation are unstable.
Answer the following statement true (T) or false (F)
The first step in the formation of urine is the
A) secretion of hydrogen ions into the kidney tubules. B) formation of filtrate that enters Bowman's capsule. C) secretion of urea into the renal pelvis. D) reabsorption of nutrients by Bowman's capsule.