In males, sterilization involves a vasectomy, which removes a portion of what structure?
A. Sertoli cells
B. vas deferens
C. seminiferous tubules
D. epididymis
Answer: B
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Which of the following does not describe an aspect of the Human Genome Project?
A. Overlapping clones from YAC and BAC libraries were identified by hybridization and organized into long contiguous stretches called contigs. B. Landmark sequences on the contig called sequence tagged sites (STS) were used to aid in ordering the contigs. C. Landmark sequences on the contig called expression sequence tags (EST) were used to aid in ordering the contigs. D. The contigs were sequenced using a shotgun method, and the resulting sequences were assembled by computer. E. All of these choices describe aspects of the Human Genome Project.
What is the role of Cdks?
a. to add phosphate groups to target proteins b. to check for proper attachment of spindle fibers to chromosomes c. to remove phosphate groups from cyclins d. to arrest the cell cycle e. to allow the cell cycle to work forward or backward
You have just read an advertisement for a new drug that claims people who take it can get muscular bodies without spending months lifting weights in the gym. The drug stimulates muscle growth in the same way that weight lifting does, which is to
A. stimulate existing muscle fibers to divide. B. stimulate growth in the size of existing muscle fibers. C. stimulate an increase in the proportion of slow-twitch muscle fibers. D. stimulate existing muscle fibers to fuse with one another. E. turn surrounding connective tissue into muscle tissue. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about how weight lifting increases muscle strength? 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?
In insects and spiders, __________ take up fluid, uric acid, and solutes from the blood and deliver them to the gut.
Fill in the blank(s) with the appropriate word(s).