Accessory cells in nervous tissue are called
a. neurons.
b. neuroglia.
c. chondrocytes.
d. formed elements.
e. nerves.
B
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You and a classmate are discussing early experiments in genetics, and you state that Avery, MacLeod, and McCarty provided the first evidence that DNA carries genetic information. Your classmate argues that Griffith was the first to demonstrate this. Which statement best defends your argument?
A. Because Avery, MacLeod, and McCarty did their experiments after those done by Griffith, they had much more information regarding the structure and function of DNA. B. Although Griffith first demonstrated transformation, Avery, MacLeod, and McCarty provided evidence that DNA rather than protein or RNA was the transforming agent. C. DNA used by Avery, MacLeod and McCarty was extracted solely from transformed strains of pneumococci, while Griffith used native pneunococcal strains. D. Enzymes were used in the experiments carried out by Avery, MacLeod, and McCarty while Griffith transformed cells chemically or by using heat. E. Avery, MacLeod, and McCarty worked with purified DNA extracts while Griffith worked with bacterial strains.
The duct between a testis and a seminal vesicle used for the transport of sperm is the ____________________. Fill in the blank(s) with the appropriate word(s)
The (physiology/metabolism) of an organism is all the chemical reactions that take place in the organism
What will be an ideal response?
Integrins bind to
a. collagen. b. fibronectin. c. laminin. d. All of the above