Which of the following methods of microbial control is mismatched?
A. Autoclaving nutrient agar before pouring into Petri plates - sterilization
B. Exposure of surgical equipment to ultraviolet light - radiation
C. Heating a liquid to 71.6°C for 15 seconds - pasteurization
D. Pickling eggs - osmotic pressure
Answer: D
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Which of the following animals undergoes true holoblastic cleavage?
A. butterfly B. ant C. snail D. tuna E. bird
Tay—Sachs disease is most prevalent among populations of the Pennsylvania Amish in the United States
Indicate whether the statement is true or false
Refer to the paragraph on scarlet gilia. Late in the season, when only hawk moths were present, researchers painted the red flowers white. What would you expect?
A) Unpainted red flowers would produce more fruits than white flowers would. B) Red flowers painted white would produce more fruits than red flowers would. C) Red and white flowers would produce the same numbers of fruits.
Besides ATP from the light reactions, the carbon reactions also require
A. NADPH from the light reactions. B. glucose from the mitochondria. C. CO2 from the atmosphere. D. Both a and c are correct.