Biology, 01.02.2022 23:10, annette211pdd8v9
A scientist thinks that a certain chemical is a mutagen. She exposes plant cells to a large amount of this chemical in the laboratory.
Which statement best provides evidence that the substance is a mutagen?
The cells die within hours of being exposed to the chemical.
The cells grow more quickly than those that were not exposed to the chemical.
The cells change after being exposed to the chemical, and this change is passed to the next generation of cells.
The cells continue to divide at the same rate as before they were exposed to the chemical.
Answers: 2
Biology, 22.06.2019 21:00, whereswoodruff
Some steps in cell division are shown below: 1. chromosomes condense and pair up 2. segments of dna of sister chromatids twist and cross 3. exchange of dna occurs between chromosomes 4. four daughter cells are created that are haploid which of the following steps is least likely to occur during meiosis 1?
Answers: 1
Biology, 22.06.2019 21:20, saintsfan2004
Name three things that show evidence of evolution. write one sentence for each, explaining why it demonstrates evidence. (9 points)
Answers: 1
Biology, 22.06.2019 23:30, kateferguson9852
These are groups of reproducing populations that are insulated from other groups
Answers: 1
A scientist thinks that a certain chemical is a mutagen. She exposes plant cells to a large amount o...
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