When a plant has a hypersensitive response, production of ____ triggers effects such as the expression
of PR proteins.
a. oligosaccharins
b. salicylic acid
c. ethylene
d. cytokinin
e. brassinosteroids
B
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The formation of complex molecules that form life is made possible by what understanding regarding carbon?
A. Carbon forms a maximum of 8 covalent bonds. B. Carbon can form a maximum of 6 covalent bonds. C. Carbon forms up to 4 covalent bonds. D. Carbon forms 2 covalent bonds. E. Carbon forms an ions and cations.
____________________ have two binding sites for tRNA to allow the formation of peptide bonds. Fill in the blank(s) with the appropriate word(s)
Which of the following are rod-shaped bacteria?
a. vibrio b. bacilli c. diplococci d. spirochete e. streptococci
In order for NAD+ to remove electrons from glucose or other organic molecules, which of the following must be true?
A) The organic molecule or glucose must be negatively charged in order to reduce the positively charged NAD+. B) Oxygen must be present to oxidize the NADH produced back to NAD+. C) The free energy liberated when electrons are removed from the organic molecules must be greater than the energy required to give the electrons to NAD+. D) A and B are both correct. E) A, B, and C are all correct.