Sometimes atoms gain or lose particles. The loss of which of the following would result in a change of atomic mass?
A. neutron
B. proton
C. electron
D. a and b
E. b and c
Answer: D
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The main difference between a mature zygospore and a young zygospore is that the young zygospore is:
a. haploid b. equivalent to a fruiting body c. diploid d. dikaryotic e. fertilized
The first kingdom to be recognized beyond Plantae and Animalia was:a
Archae. b. Protista. c. Eubacteria. d. Archaebacteria. e. Fungi
A storage container in a cell is generally called a(n)
A. vacuole. B. endoplasmic reticulum. C. pinocyte. D. nucleus.
Bacteria are a commonly used organism for studies of genetic material in the research laboratory. The nucleic acids must first be isolated from the cells for these studies. Which of the following would most likely be used to lyse gram-positive bacterial cells for nucleic acid isolation?
A) lysozyme B) polymixins C) alcohol D) water E) mycolic acid