Hydrogen peroxide is
A. bactericidal.
B. fungicidal.
C. virucidal.
D. sporicidal.
E. All of the choices are correct.
Answer: E
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The ________ are of critical ecological importance because most are endomycorrhizal symbionts of vascular plants.
A. Zygomycota B. Basidiomycota C. Deuteromycota D. Glomeromycota
Which of the following is NOT and event of the ovarian cycle?
a) FSH promotes the development of a follicle b) the endometrium thickens c) the corpus luetum secretes progesterone d) ovulation of an egg occurs
Fill in the blanks to complete the following statements. ?__________________ antibiotics inhibit the replication of microorganisms and prevent the growth of the organism without destroying them
Fill in the blank(s) with correct word
A single steroid hormone can cause different effects in different cells by
A) binding to different receptors. B) acting on different organelles. C) activating different second messengers. D) activating different enzymes.