Which organisms have been modified to produce insulin, blood clotting factor VIII, and human growth hormone?
a. soy beans
b. cows
c. bacteria
d. goats
e. corn
Ans: c. bacteria
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Which figure, A, B, C, depicts the type of specialized excretory tubule system called the metanephridium?
1.A
2.B
3.C
When you jump into cold water, it takes you a short while to acclimate and "get used to it." This is due to a reduction in sensory activity called ________.
Fill in the blank(s) with the appropriate word(s).
Which one of the following membranes lines the airways and digestive tract?
A) serous B) cutaneous C) membranous D) synovial E) mucous
You wish to learn if the initiation of root hair formation depends on either translation or transcription. Roots were treated with actinomycin D, cycloheximide, and mock treated with a control solution without either of the two inhibitors. You find that root hair initiation was inhibited when mock treated with the control solution and in the presence of either cycloheximide or actinmycin D. From this you can conclude that:
A) Both transcription and translation are required. B) Only transcription is required. C) Only translation is required. D) More data is needed.