Biology, 28.06.2019 08:20 jaylenmiller437
The genetic material of the escherichia coli cell with a diameter of about 1 μm and a length of about 2 μm, consists of a dna molecule with a diameter of 2 nm and a total length of 1.36 mm. (the molecule is actually circular, with a circumference of 1.36 mm.) to be accommodated in a cell that is only a few micrometers long, this large dna molecule is tightly coiled and folded into a nucleoid that occupies a small proportion of the cell's internal volume. calculate the smallest possible volume the dna molecule could fit into, and express it as a percentage of the internal volume of the cylindrical bacterial cell with a diameter of about 1 μm and a length of about 2 μm. recall that v=pr2h for a cylinder.
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Biology, 22.06.2019 06:30
Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative
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Biology, 22.06.2019 06:50
Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.
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Biology, 22.06.2019 10:30
In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.
Answers: 1
The genetic material of the escherichia coli cell with a diameter of about 1 μm and a length of abou...
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