All of the following are correct about the autoclave, except
A. the duration of the process depends on how full the chamber is.
B. it is the temperature that kills the microbes, not the pressure by itself.
C. it is important not to overload the chamber.
D. it is effective for sterilizing powders, oils, and waxy substances.
E. sterilization is achieved when steam condenses against the objects in the chamber and raises their temperatures.
Answer: D
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Where would one expect to find the most telomerase?
A. male germ cells that give rise to gametes B. skin cells from a 60-year-old individual C. skin cells from a 2-year-old individual D. a nerve cell from a 60-year-old individual E. a nerve cell from a 2-year-old individual
Plants can remove harmful chemicals from the soil by the process of
A. glandular secretion by leaves. B. CO2 activation. C. phytoremediation. D. fertilization. E. root nodule formation.
The 16-kb mitochondrial genome encodes 13 proteins. How can there be more than 13 mitochondrially inherited conditions?
A) Some conditions are due to nuclear genes. B) Many of the conditions are due to translation errors. C) There are different kinds and numbers of mutations per gene. D) Each parent may contribute different mutations. E) Exon shuffling allows different polypeptides to form.
When making scientific decisions in one's life, it is best to ask questions, gather and evaluate information and evidence, and carefully consider the sources of the material. This process is called ________
Fill in the blank(s) with correct word