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3 years ago

Suppose you treat cells with chemicals that block cytokinesis describe what you think the cells would look like

2 answers:

8 0

The cells would look attached. It would look like an abnormally large cell with two sets of identical DNA and two nuclei.

abruzzese [7]3 years ago

3 0

Answer:

The cells would be large with 2 nucleui because the cytoplasm did not split to make the cell divide.

Explanation:

Partitioning in two copies is called cytokinesis and occurs in the animal cell from the outside in, that is, as if the cell were strangled and split in two. When this happens there is a distribution of organelles between the two sister cells. Note that cytokinesis is actually the division of cytoplasm. This division may start already in anaphase, depending on the cell.

If you treat cells with chemicals that block cytokinesis, this division will not occur, the cells will become very large with two nuclei because the cytoplasm would not divide to make the cell divide.

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what is the most common way that nitrogen fixation occurs? lightning nitrogen fixing bacteria fossil fuel combustion forest fire

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Legumes harbor nitrogen-fixing bacteria and are therefore good crops to grow to replenish the soil. Most nitrogen fixation occurs naturally, in the soil, by bacteria.

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1 year ago

As jerry nears the campfire, he is delighted at the warmth it provides. jerry perceives this temperature because of ____________

STALIN [3.7K]

As Jerry nears the campfire, he is delighted at the warmth it provides. Jerry perceives this temperature because of thermoreceptors in his skin.

<h3>What are thermoreceptors?</h3>

The receptive part of a sensory neuron, or more precisely a non-specialized sense receptor called a thermoreceptor, is responsible for coding absolute and relative changes in temperature, primarily those that fall within a safe range.
Warmth sensors are assumed to be unmyelinated C-fibers in the mammalian peripheral nervous system (low conduction velocity), whereas cold receptors have both C-fibers and sparsely myelinated A delta fibers.
Warm receptors respond well to warming, which causes them to discharge action potentials more quickly.
For cold sensors, cooling causes an increase in firing rate whereas warming causes a reduction.
A paradoxical reaction to heat is when some cold receptors react to high temperatures, usually above 45 °C, by releasing a short action potential.

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2 years ago