The _________ pathway of apoptosis is one in which external stimuli activate apoptosis via a signaling pathway.
a) integral
b) peripheral
c) extrinsic
d) external
e) intrinsic
Answer: c) extrinsic
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Somatic cells are ________.
A. haploid (2n) B. diploid (n) C. haploid (n) D. diploid (2n)
The organisms that convert carbon dioxide into organic matter are the
A. secondary consumers. B. primary consumers. C. producers. D. decomposers.
Answer the following statements true (T) or false (F)
1.The theory that organisms could arise suddenly from the nonliving component chemicals was called the theory of spontaneous generation. 2.The early report that Stanley Miller had created "life in a test tube" in his prebiotic simulations was correct. 3.The enzyme that copies RNA into complementary DNA is RNA polymerase. 4.Natural selection would have favored progenotes that could use more diverse food sources. 5.The geologic timescale is divided into eons, eras, periods, and epochs defined by major geological or biological events.
In the process of natural selection, individuals that are most fit are the ones that are
A. Most likely to survive B. Most likely to be physically fit C. Most likely to mutate D. Most likely to reproduce E. Most likely to migrate