Which describes genetic information prior to the beginning of mitosis?

A. centrioles
B. chromatin
C. centromere
D. chromosomes


Ans: B. chromatin

Biology & Microbiology

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The male sex hormone testosterone is secreted in response to a hormone secreted by the _____

a. testes c. pituitary gland b. ovaries d. pancreas

Biology & Microbiology

Active transport may be described as all of the following EXCEPT

a. is concerned with establishing the resting potential of a neuron. b. counters the process of diffusion. c. allows transport of atoms across the plasma membrane of the neuron against the concentration gradient. d. uses energy to power transport. e. physically blocking transport.

Biology & Microbiology

During which stage of wastewater treatment are methanogenic microbes most important?

A) Primary treatment B) Secondary treatment C) Disinfection D) Sludge digestion E) Biological oxidation

Biology & Microbiology

TEM provides a thin, two-dimensional section of the object being studied.

a. true b. false

Biology & Microbiology