Transparent double-sided dishes used for growing microbes are most commonly called
A) Petri dishes.
B) baker dishes.
C) sterilization plates.
D) culture medium plates.
Answer: A
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When a DNA molecule is replicated, the daughter molecules contain one strand of parental DNA and one strand of newly synthesized DNA; this is called ________ replication.
A. conservative B. semiconservative C. dispersive D. hemiconservative
Which one of the following statements about the laws of thermodynamics is incorrect?
A. Highly organized living organisms like animal cells are exceptions to the Second Law of Thermodynamics. B. The addition of energy increases the disorder of a system. C. In order to comply with the First Law of Thermodynamics, the conversion of energy from one form to another in biological reactions is 100% efficient. D. Highly organized living organisms like animal cells are exceptions to the Second Law of Thermodynamics and the addition of energy increases the disorder of a system E. Highly organized living organisms like animal cells are exceptions to the Second Law of Thermodynamics, the addition of energy increases the disorder of a system and in order to comply with the First Law of Thermodynamics, the conversion of energy from one form to another in biological reactions is 100% efficient
Select all correct descriptions of changes that occur to the circulatory system of a pregnant woman.
e. increased renin-angiotensin-aldosterone activity d. relaxation of the smooth muscle in arteries c. increased blood volume d. All of the above
Which of the following is the lineage of green algae believed to most resemble early plant ancestors?
A) charophytes B) ulva C) volvox D) dinoflagellates