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Firdavs [7]
3 years ago
10

Explain the difference between animals that are regulators and those that are conformers. 2. the example in the text is related

to temperature regulation. would ectotherms be regulators or conformers? 3. throughout the text, a common theme has been regulation of homeostasis by feedback loops. we discuss feedback loops again as we look at hormone levels. what is meant by a set point?
Biology
1 answer:
GrogVix [38]3 years ago
4 0

The difference in animals that are regulators and those which are conformers is that an animal that is regulators use an internal mechanism which is to control internal change in the face of its external fluctuation. In short we can say they are independent. While conformer animals, they match their internal conditions to change according to with the external changes Some animals may regulate internal conditions while others conform the environment.

A good nonliving example of temperature regulation is to control its own temperature. Ectotherms are conformers while endotherms are regulators.

The setpoint is the particular value of maintaining at it or near this allows the animal to achieve homeostasis.

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Answer:

1. 80 chromosomes are found in each of the daughter cells. 2. Two daughter cells are produced. 3. The daughter cells are identical to each other.

Explanation:

Mitosis is simply a process of cell division whereby two daughter cells that are genetically identical are produced from a single parent cell. A cell having 80 chromosomes would undergo Mitosis through these various stages:

Interphase: This can be referred to as the rest phase between cell division when mature enough for reproduction. This is a preparatory stage where DNA is duplicated and ready for the division of chromosomes

Prophase: This stage marks the beginning mitosis of the cell with 80 chromosomes. The chromatin threads start a coiling process in which the chromosomes become condensed to enable easy distribution to daughter cells without tangling.  

Prometaphase: This phase commences toward the end of the prophase, where the nuclear envelop breaks down. The chromosomes move toward to the center of the cell.

Metaphase: At this stage, the duplicated chromosomes line up on the mid plane or equator of the cell. During this stage, each chromatid is condensed completely and appears thick and distinct.

Anaphase: At this stage, the chromosomes move toward the poles as each replicated copies of the DNA of the cell ends up on either side of the cell. What we would have here at this stage is an entirely two new sister chromatid having 80 chromosomes. Cytokinesis begins towards the end of this stage as the parent cell cytoplasm divides which also continues at telophase.

Telophase: This is the final phase of Mitosis where two separate nuclei are formed and Cytokinesis takes place to complete the division of the cell to form two daughter cells having the same number of chromosomes. These cells are genetically identical to the original parent cell.

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