An undifferentiated cell of a zygote is known as:
A. a stem cell.
B. a single-celled organism.
C. a feeding cell.
D. a reproducing cell.
A
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Under what abiotic conditions can monomers spontaneously form polymers?
A) in the presence of oxygen gas B) when ribozymes are present to catalyze the reaction C) when a collection of organic molecules with a cell membrane are isolated D) when water evaporates from a hot surface
To prepare large volumes of influenza virus for use in the flu vaccines each year, the virus is grown in embryonated hen eggs. This is an example of the use of
A. selective media. B. enriched media. C. live media. D. complex media.
The chromatids move toward opposite poles during ________ of mitosis.
A. anaphase B. telophase C. metaphase D. prophase E. interphase
Inhalation is another word for inspiration.
Answer the following statement true (T) or false (F)