Which is the only group of microorganisms that contains lipopolysaccharides (LPS)?
a. Archaea
b. Bacteria
c. gram-positive bacteria
d. gram-negative bacteria
Answer: D
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During prophase I of meiosis, a physical exchange of parts of homologous chromosomes can occur and is called a ____
Fill in the blank with the appropriate word.
Which purine base forms 3 hydrogen bonds when binding its complementary nucleotide base?
A. guanine B. cytosine C. thymine D. uracil E. adenine
The process in which oxygen, not carbon dioxide,
becomes attached to RuBP a. is the Calvin-Benson cycle. b. is the C3 pathway. c. is the C4 pathway. d. does not occur in plants in hot, dry climates. e. is photorespiration.
Which reaction is responsible for the first substrate-level phosphorylation of ADP in glycolysis?
a) glycose -> glycose 6 phosphate b) phosphoenolpyruvate c) 1,3 biphosphoglycerate -> 3-phosphoglycerate d) fructose 6-phosphate -> fructose 1,6-biphosphate