Auxin sprayed on tomato flowers stimulates the __________ to develop without the formation of
__________.
a. roots; root hairs
b. fruit; ovaries
c. seeds; ovaries
d. ovary; seeds
e. seeds; fruits
D
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The concepts of transcription and translation have been said to form the ‘central dogma’ of molecular biology. Is this a
fitting description? What will be an ideal response?
Biotech barnyard animals produce which of the
following human products? a. a protein that treats cystic fibrosis b. a protein that counters the effects of a heart attack c. interleukin-2 that triggers divisions of certain human immune cells d. a protein that treats blood-clotting disorders e. all of these
Which sequence properly describes the flow of filtrate through the nephron?
A) Proximal tubule, nephron loop, glomerular capsule, distal tubule, collecting duct B) Glomerular capsule, peritubular capillaries, nephron loop, distal tubule, collecting duct C) Collecting duct, distal tubule, nephron loop, proximal tubule, glomerular capsule D) Glomerular capsule, proximal tubule, nephron loop, distal tubule, collecting duct E) Glomerulus, peritubular capillaries, renal artery, arteriole, venule, renal vein
Gram-negative bacteria in the genus ________ prey on other Gram-negative bacteria.
A. Bdellovibrio B. Chlamydia C. Rickettsia D. Mycoplasma E. Caulobacter