The cell body of a neuron propagates electrical signals to the axon terminals
Indicate whether the statement is true or false.
ANSWER: False - axon
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Calvin Bridges, an associate of Thomas Hunt Morgan's, found further evidence that genes were located on chromosomes. Which of the following is not a component of his study?
A. He crossed white-eyed females (XwXw) with red-eyed males (XWY). B. The F1 progeny were mostly the red-eyed males and white-eyed females expected. C. A few rare white-eyed females and red-eyed males were observed, which he called primary exceptionals. D. He proposed that the rare white-eyed females were the result of abnormal chromosome number. E. Abnormal chromosome number was a result of nondisjunction in the female fly.
Glycolysis is also called the ________ pathway after the scientists who did most of the work to define it.
Fill in the blank(s) with the appropriate word(s).
Which of the following describes when a species that is not divided by any geographic barrier evolves into separate species within the same location?
a. gene flow b. founder effect c. sympatric speciation d. allopatric speciation
In his studies of colonization of hard substrates by various subtidal invertebrates, Michael Keough found that, among patches created within larger areas of rock occupied by sessile invertebrates, __________ more successfully colonized patches of all sizes.
A) the better competitors, tunicates and sponges, B) the disturbance-adapted species, bryozoans and polychaetes, C) the large predators, such as starfish, D) microbial films, consisting of bacteria and fungi,