What is the most likely pathway taken by a newly synthesized protein that will be secreted by a cell?
A) ER ? Golgi ? nucleus
B) Golgi ? ER ? lysosome
C) ER ? Golgi ? vesicles that fuse with plasma membrane
D) ER ? lysosomes ? vesicles that fuse with plasma membrane
C
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Why can't a female lizard have both high fecundity and high survival?
A) In only rare cases, lizards have both high fecundity and high survival. B) Female lizards are able to produce only one set of offspring. C) Competition for resources prevents this. D) The more energy the female devotes to offspring, the less that can be devoted to her survival. E) The female is already maximizing the number of eggs she lays, and if she attempts to nest later in the season, there will not be enough food for her young.
If blood transports hormones throughout the body, how do they communicate with specific targets?
A. Special gateway valves in the blood vessels direct hormones to their target tissues. B. Special carrier proteins "walk" along microtubule tracts to deliver the hormones to their targets. C. Axonal pathfinding mediates the delivery of hormones to their specific targets. D. Only target tissues have receptors that allow them to receive the signal. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about hormones? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Performing an experiment where the sample sizes are
small may result in a. sampling error. b. blind testing. c. loss of evidence. d. strong support of the experimental design. e. consensus errors.
How many years ago did the plants that formed fossil fuels actually live?
A) 300,000,000,000 B) 300,000,000 C) 300,000 D) 30,000