Bakers use alcoholic fermentation to produce
____ which causes the dough to rise.
a. alcohol
b. ATP
c. butyric acid
d. carbon dioxide
e. none of these
D
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Predict what would happen if you used the pH indicator thymophthalein instead of phenol red in the above setup. Thymophthalein solution appears colorless below pH 9.3, but blue at higher pH.
What will be an ideal response?
Which of the following is least likely to be found in a cell membrane?
a. phospholipid b. nucleic acid c. steroid d. protein e. carbohydrate
Courtship for Anolis lizards involves the male displaying a dewlap (skin under the throat area) that varies in appearance based upon the species and their environment. Lizards that are found in darker, more shaded environments will have dewlaps that are lighter in color because they are more noticeable by potential mates. What mechanism is at work in speciation among Anolis lizards?
A. Natural selection B. Postzygotic isolation C. Genetic drift D. Reinforcement
Where might you find microbes like bacteria and fungi? (Choose all that apply)
> In soil > In many places within your body > On your skin > On the inside of a sterile agar plate that has not been inoculated > On a disinfected lab bench > In the air > In sterilized growth medium prior to inoculation > On the inside of a nutrient agar plate that has been left open for several minutes > On your phone