The stage during which chromosomes shorten by condensing their nucleoprotein is called 

A. anaphase.
B. metaphase.
C. prophase.
D. telophase.


C. prophase.

Biology & Microbiology

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Ascomycete yeasts evolved from multicellular ancestors

A. true B. false

Biology & Microbiology

Flexible bacteria with a helical shape are called

A. coccobacilli. B. spirilla. C. spirochetes. D. vibrios.

Biology & Microbiology

In Dianne Dodd's experiments with Drosophila pseudoobscura, different populations were established that were raised on diets of either maltose or starch

When flies from the different populations were allowed to mate, some flies mated with flies fed on a different food source, but there was a preference for mating with flies raised on the same food source. What does this phenomenon illustrate about the timescale of speciation?

Biology & Microbiology

Beta-carotene, the biochemical precursor to vitamin A, can be added to rice by using (biotechnology/cloning/recombinant) DNA technology, thereby increasing its nutritional value

What will be an ideal response?

Biology & Microbiology