Which of the following may form one colony?
A. A short chain of bacteria
B. A single bacterial cell
C. A small clump of bacteria
D. All of the choices are correct.
Answer: D
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The fusion of a male gamete with a female gamete is called
A. syngamy. B. meiosis. C. mitosis. D. recombination. E. synapsis.
Postmenopausal women are often advised to take the mineral ________ as a supplement to their diet in order to prevent bone loss due to osteoporosis
Fill in the blank(s) with correct word
Barr bodies are associated with ________
A) signal transduction B) X chromosome inactivation C) frameshift mutations D) proto-oncogenes
Cryptococcus neoformans has the following characteristics, except
A. it is an encapsulated yeast. B. it usually enters body by inhalation. C. it can be found in high numbers in soil containing pigeon droppings. D. it primarily infects patients with AIDS, cancer, and diabetes. E. it is commonly found in the human mouth, intestines, and genitalia.