In DNA cloning, __________ cut DNA into pieces. Fill in the blank(s) with the appropriate word(s)
restriction enzymes
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Which of the following reactions would you predict could be coupled to ATP synthesis from ADP + Pi? Choose all that apply
A. creatine phosphate + H2O creatine + Pi, G -10.3 kcal/mol B. phosphoenolpyruvate + H2O Pyruvate + Pi, G -14.8 kcal/mol C. glucose 6-phosphate + H2O glucose + Pi, G -3.3 kcal/mol D. glucose 1-phosphate + H2O glucose + Pi, G -5.0 kcal/mol E. glutamic acid + NH3 glutamine, G +3.4 kcal/mol
In multiple sclerosis, a patient:a
loses coordination due to the replacement of myelin with scar tissue. b. accumulates neurofibrillary tangles in the brain resulting in dementia. c. suffers tremors due to overly rapid and spontaneous firing of neural impulses.
d. loses the ability to move because of motor neuron degeneration. e. suffers depression due to abnormal secretion of neurotransmitters
Consider this pathway: epinephrine ? G protein-coupled receptor ? G protein ? adenylyl cyclase ? cAMP. The second messenger in this pathway is _____
A) cAMP B) G protein C) adenylyl cyclase D) G protein-coupled receptor
Which structure forms spores through the process of meiosis?
a. Sperm b. Gametophyte c. Sporophyte d. Spermatocyte e. Zygote