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morpeh [17]
3 years ago
5

The DNA in a bacterial (prokaryotic) chromosome is best described as:

Biology
1 answer:
liubo4ka [24]3 years ago
6 0

Answer: A

Explanation:

Unlike the linear, double stranded, helical, supercoiled Eukaryotic chromosome, the prokaryotic bacterial chromosome is circular, single molecule of double stranded, helical, supercoiled DNA.

The bacteria DNA is said to be circular because the two ends of the double-stranded DNA are covalently bond together to form both a physical and genetic circle.

Plasmid another genetic material in bacterial are circular, double stranded DNA molecules that replicate independently if the bacteria DNA.

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The ___ nerve connects to the heart and adjusts it's speed according to the body's demands.
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The vagus

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3 years ago
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The process of _____________ is modeled in the plant cell diagrams seen here.
grigory [225]

<u>Answer:</u>

The process of "Osmosis" is modeled in the plant cell diagrams seen here.

<u>Explanation:</u>

Osmosis is the natural gross migration of solvent particles into a zone of higher solute concentration via a selectively permeable membrane, in the path that seeks to balance the amounts of solvents on both the ends. Osmosis as biological membranes are semipermeable, is a critical mechanism in biological systems.

Such membranes are usually impenetrable to massive and polar molecules like polysaccharides, ions and proteins while being porous to hydrophobic or non-polar molecules like lipids and to small molecules as carbon dioxide, oxygen, nitric oxides and nitrogen.

4 0
3 years ago
What processes return phosphorus from the geosphere to the biosphere? Checkall that apply
lidiya [134]
.......................
8 0
3 years ago
After getting the slide and microscope ready, Stella is eager to see the microscopic pond water specimen! She crouches around he
larisa86 [58]

Copied but correct answer.

Answer: C (She hasn't fastened the slide to the stage

Explanation:

In Microscopy even if the slide is not yet in focus,she will be able to see part of the slide which may appear as transparent image.Therefore this is a wrong answer.

If the microscope is not plugged it light can not come up.

If there are no specimen on the slide,the slide will still as transparent image at the focus.

No doubt Stella forgot to fasten the slide to the stage.,therefore the specimen on the slide was not in focus of the objective lens,rather she was focusing on the stage only,hence the visible white light.

7 0
3 years ago
One possible result of chromosomal breakage is for a fragment to join a nonhomologous chromosome. What is this type of chromosom
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One possible result of chromosomal breakage is for a fragment to join a nonhomologous chromosome. What is this type of chromosomal alteration called <u>translocation.</u>

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When a segment of one chromosome separates and affixes towards another chromosome, translocation takes place. If there is neither genetic material growth nor loss in the cell, such a form of rearrangement would be referred to as balanced.

To learn more about nonhomologous chromosome here

brainly.com/question/18765644

#SPJ4

4 0
1 year ago
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