One of the limiting factors in engineering plants for nitrogen fixation is to prevent the binding of ________ to the enzyme nitrogenase and the subsequent inhibition of the enzyme.
A. calcium
B. bacteria
C. oxygen
D. phosphorus
E. cell membranes
C. oxygen
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What is the C4 pathway? Briefly explain how this adaptation increases the effectiveness of photosynthesis in these plants.
What will be an ideal response?
Four of the following statement about protocells are true. Which statement is false?
A. They are simple membrane-bound sacs. B. They contain DNA. C. They are able to engage in metabolism. D. They are able to reproduce. E. They are able to capture energy.
A nonassociative learning called ________ can be defined as a decrease in response to a repeated stimulus that has no positive or negative consequences.
A. habituation B. cognitive learning C. desensitization learning D. instinctive learning E. imprinting
Which cell component are found in both plant and animal cells