_________ can protect bacteria from antibiotic treatment.
a) The cell wall
b) The cell membrane
c) The outer membrane
d) Biofilm
Answer: d) Biofilm
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If the diploid number of chromosomes for this cell is six, what stage is represented by this
figure?
a. mitosis b. meiosis I c. meiosis II d. either mitosis or meiosis II
Ionic compounds
A. always form salts in solution. B. are hydrophobic. C. are basic in solution. D. are hydrophilic. E. are acidic in solution.
Troponin and tropomyosin regulate:a
calcium storage and release. b. actin and myosin interactions. c. action potential transmission. d. acetylcholine storage and release. e. rate of muscle fiber division.
An animal has a diploid chromosome number of 12. An egg cell of that animal has 5 chromosomes. The most probable explanation is
a. normal mitosis. b. normal meiosis. c. nondisjunction in meiosis I. d. nondisjunction in meiosis I or II. e. nondisjunction in mitosis.