Which of the following receptors detect deep transient pressure, and where are they located?
a. Golgi tendon organs, muscle and connective tissues
b. hair receptors, hairy skin
c. Pacinian corpuscles, deep dermis
d. Merkel’s disks, near the base of the epidermis
c. Pacinian corpuscles, deep dermis
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To avoid confusion and facilitate ease of data interpretation, researchers working on cloned DNA from the same species use
A. restriction fragment length polymorphisms. B. shotgun sequencing. C. sequenced-tagged sites. D. clone by clone sequencing. E. consensus sequencing.
Which of the following describes populations that are genetically isolated?
A. They do not share the same mutations. B. They do not live in the same areas. C. They do not exchange genetic information. D. They do not originate from the same population. E. They do not evolve.
Microbiologists use the Gram stain to aid in the identification of bacteria. What is the major difference between Gram-positive and Gram-negative bacteria?
A. presence or absence of outer plasma membrane B. structure of nucleotides in the plasma membrane C. presence or absence of muramic acid in the cell wall D. presence or absence of peptidoglycan in the cell wall
The X-ray diffraction studies of the scientists named ________ and ________ were essential for the discovery of the structure of the DNA molecule
Fill in the blank(s) with correct word