A person with the genotype GD/g for the galactosemia gene would have ____________________ of
the normal level of galactose-1-phosphate uridyl transferase. Fill in the blank(s) with the appropriate word(s).
ANS: one-fourth
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Ureaplasma conserves energy and compensates for an absent electron transport chain by creating chemiosmotic energy gradients and ATP from the breakdown of ________ into ammonia/ammonium.
Fill in the blank(s) with the appropriate word(s).
Cyclodextrins are a group of compounds capable of removing cholesterol from membranes. The effect most likely to have a large impact on cells as a result of cyclodextrin treatment would be
A. increased membrane fluidity at higher temperatures. B. increased membrane fluidity at lower temperatures. C. disruption of transmembrane protein structure. D. increased permeability of the membrane. E. increased concentration of transmembrane proteins.
Which of the following is a region of DNA at the end of a linear chromosome?
A. Primer B. Telomere C. Intron D. Exon
A liger is a result from a male lion and a female tiger. Male ligers cannot produce offspring This is an example of
A. a prezygotic mechanism. B. hybrid inviability. C. hybrid sterility. D. hybrid breakdown. E. a prezygotic mechanism and hybrid sterility are correct.