Which best describes the protective action of blinking?
A) An interneuron detects motion and sends this message to the peripheral nervous system (PNS), and the PNS sends a message back to blink.
B) A sensory receptor detects motion, a sensory neuron sends this information to the spinal cord, and the information in the central nervous system (CNS) sends a message back to blink.
C) A cell body detects motion, a sensory neuron sends this message to the peripheral nervous system (PNS), and the PNS sends a message back to blink.
D) A cell body detects motion, a sensory neuron sends this message to the spinal cord, and the information in the central nervous system (CNS) sends a message back to blink.
Answer: B
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Which of the following hypotheses could be tested using microautoradiography fluorescence in situ hybridization (MAR-FISH)?
A) Bacteriorodopsin uses light energy to translocate protons. B) Archaea are the main autotrophs in marine water samples taken 300m below the surface of the ocean. C) The microbial community of agricultural soils is more phylogenetically diverse than the microbial community of native prairie soils. D) The ammonia monooxygenase gene is present in members of the phylum Verrucomicrobium.
The use of SNPs for analyzing genomes is based on ____
a. the nucleotide base pairing in the SNPs b. the types of nucleotides in the SNPs c. differences in SNPs among individuals d. the ratio of purines to pyrimidines in SNPs e. bonding patterns between nucleotides in the SNPs
What signaling pathway commonly makes use of a G protein to transduce the signal?
A. channel-linked receptor pathways B. receptor tyrosine kinase pathways C. steroid hormone receptor pathways
Protist cells that produce gametes for sexual reproduction are called ________.
Fill in the blank(s) with the appropriate word(s).