A human cell contains 46 chromosomes consisting of about ____________ genes.
A. 50
B. 25,000
C. 80,000,000
D. 3,000,000
B. 25,000
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It’s almost the end of the semester and earlier this afternoon, you remembered that you have a research paper, worth a full quarter of your grade, due at midnight tonight. Fortunately for you, you’ve already done the required research, but you still have thirty pages to type before Cinderella gets stuck with a pumpkin and you get stuck with an F—no pressure! After several hours of fast and furious typing, it looks like you’re going to make your deadline after all, but maybe you’re pounding on those keys a little too hard. Oh no! It looks like you’ve just dislocated your index finger between the proximal phalange and metacarpal. What type of joint will the EMTs be resetting while you try to type one-handed?
a. saddle b. pivot c. condyloid d. ball-and-socket
Which of the following is NOT a recycled
element of an ecosystem?
a. water b. phosphorous c. oxygen d. energy e. more than one of these
A population with a large fraction of post-reproductive individuals is common in -developed countries; this population will most likely in size.
A. more; decrease B. less; decrease C. more; increase D. less; increase
When proteins are synthesized by ribosomes on the rough endoplasmic reticulum, where does the translation begin?
A) cytosol B) rough endoplasmic reticulum C) smooth endoplasmic reticulum D) nucleus E) Golgi apparatus