E. coli would appear what color on HE agar?
a. Green
b. Green with a black center
c. Yellow
d. Yellow with a black center
C
E. coli is a lactose fermenter and is H2S-negative; therefore, it would appear yellow on HE agar.
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A particular chemical reaction is exergonic. What can you say about the relationship between the reactants and the products in this exergonic reaction?
A. The reactants have more free energy than the products B. The reactants are likely more disordered and the products are likely more ordered C. The reactants cannot spontaneously react to generate the products D. The reactants likely have lower enthalpy than the products
The carbon dioxide acceptor in the Calvin-Benson
cycle is a. phosphoglycerate (PGA). b. ribulose bisphosphate (RuBP). c. phosphoglyceraldehyde (PGAL). d. O2. e. NADP+.
In pea plants, round peas are dominant (R) and shriveled peas are recessive (r), and yellow peas (shown as light gray in the Punnett square) are dominant (Y) and green peas (dark gray) are recessive (y). Using this information and the partial Punnett
square shown, what were the phenotypes of the parental plants that were used in this cross by Mendel? A) Rryy and RrYy B) Rryy and rrYy C) RRyy and rryy D) RrYy and RrYy
During gamete formation at the end of telophase I, the ploidy of the daughter cells is ________, and each chromosome consists of ________ chromatid(s)
Fill in the blank(s) with correct word