Suppose a microbiologist wanted to assess the microbial community in a gram of forest soil. Which of the following technique(s) would help them to enumerate a specific genus or type of microbe?
A. Optical tweezers
B. Fluorescent in-situ hybridization (FISH)
C. Phylochip
D. Catalyzed reported deposition-FISH (CARD-FISH)
Answer: D
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The blood-brain barrier consists of
a. membranes surrounding the neurons of the brain. b. cells lining the wall of the brain capillaries. c. vesicles of cerebrospinal fluid. d. the cerebral cortex. e. the meninges.
Alveoli
A) are blind sacs that extend from tracheae. B) are found in gills. C) are thick-walled. D) are not permeable to dissolved oxygen. E) have a moist surface.
The brain reward system _____
A) represents an emergent brain property that has arisen independent of natural selection B) is a reflex of the peripheral nervous primarily under autonomic control C) is housed in the thalamus and primarily regulates the enteric division of the autonomic nervous system D) utilizes the neurotransmitter dopamine and is affected by drug addiction
A force that squeezes glass is called a ____ force.
What will be an ideal response?