How does polyploidy differ from aneuploidy?
A. Polyploidy involves diploid chromosome sets, while aneuploidy involves haploid sets.
B. Polyploidy involves changes in entire chromosome sets; aneuploidy involves less than a
diploid set of chromosomes.
C. Polyploidy involves monosomy; aneuploidy involves trisomy.
D. Polyploidy is produced by translocations; aneuploidy by nondisjunction.
E. None of these is a difference between polyploidy and aneuploidy.
B
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Treatment of drinking water by UV irradiation is effective at ________, but it does NOT remove ________
A) killing bacteria and eukaryotic pathogens / odor- and taste- altering organic compounds B) killing viruses / bacteria and eukaryotic pathogens C) removing order- and taste- altering organic compounds / viruses D) killing bacteria / viruses and eukaryotic pathogens
An organism that requires at least 1.5 M NaCl in order to grow is referred to as a(n) ________.
A. barophile B. sodiophile C. facultative halophile D. extreme halophile
The chelicerates (select all that apply)
A. include spiders, scorpions, and their relatives. B. are known for their venoms. C. were among the first animals to invade land around 400 million years ago. D. have pincer-like claws, antennae, and wings. E. are ecologically diverse, particularly in their food habits, with different groups specializing on a wide variety of plant and animal foods.
Which of the following statements about ubiquitin is TRUE?
A. Ubiquitin recognizes improperly folded proteins. B. Ubiquitin targets proteins for degradation. C. Ubiquitin targets proteins for post-translational processing. D. Ubiquitin recognizes improperly folded proteins and targets them for degradation. E. Ubiquitin targets proteins for degradation and post-translational processing.