How many turns of the Calvin cycle are needed to make one glucose molecule?
A. 2
B. 3
C. 5
D. 1
E. 6
Answer: E
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You want to insert your favorite gene, which has been digested with Ncol endonuclease on both ends, into a vector. Ncol recognizes the DNA sequence C*CATGG. The vector you want to use contains many endonuclease recognition sites, but does not include an Ncol site. Which restriction endonuclease would be the most suitable replacement to digest the vector?
A. Sphl - G*CATGC B. Sunl - C*GTACG C. Kpnl - GGTAC*C D. CViAll - C*ATG
Describe how losing leaves in the autumn can affect plant nutrient requirements, and how plants handle this issue.
What will be an ideal response?
A base is defined as a(n) _____ acceptor
a. neutron b. electron c. proton d. anion e. cation
An example of a nonspecific chemical barrier to infection would be
A) unbroken skin B) lysozyme in saliva C) cilia in respiratory tract D) all of these