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Bezzdna [24]
3 years ago
10

The idea that pain signals must pass through a type of “doorway” in the spinal cord is referred to as the

Biology
2 answers:
notka56 [123]3 years ago
6 0
<span>gate-control theory of pain</span>
Mamont248 [21]3 years ago
3 0
Gate controlled theory of pain
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A sex chromosome found in males; influencing the degree of maleness
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Y chromosome found in males which influence the degree of maleness
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2 years ago
In cats, black fur color is caused by an X-linked allele; the other allele at this locus causes orange color. The heterozygote i
allochka39001 [22]

Answer:

A) tortoiseshell female; black male

Explanation:

Females have two X chromosomes and males have an X and a Y chromosome.

<u>The possible genotypes and phenotypes are</u>:

  • XᵒXᵒ: black female
  • XᵒY: black male
  • XᴼXᴼ: orange female
  • XᴼY: orange male
  • XᵒXᴼ: tortoiseshell female

<u>Cross of a black female and an orange male</u>

<h3>XᵒXᵒ  x  XᴼY</h3>

The female only produces Xᵒ gametes. The male produces Xᴼ and Y.

The possible offspring therefore is:  XᵒXᴼ (tortoiseshell females) and XᵒY (black males). The answer is A.

5 0
3 years ago
List four methods that can be used to separate mixturea and give an example of each method​
Evgesh-ka [11]

Distillation, Filtration, evaporation, and Chromatography

The filtration process is generally used to separate a suspension mixture where small solid particles are suspended in liquid or air.

Distillation uses boiling to separate mixtures of liquid solutions. It takes into account that different substances in the mixture will have different boiling points..

Chromatography is the separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates

Evaporation is a technique used to separate out homogenous mixtures where there is one or more dissolved solids. This method drives off the liquid components from the solid components

8 0
2 years ago
A gene can be regulated post-transcriptionally by any of these processes, EXCEPT:
labwork [276]

Answer:

D

Happy to help!! :D

6 0
3 years ago
Which factor will not affect the strength of a solenoid
antoniya [11.8K]

Answer:  A solenoid is a long coil of wire wrapped in many turns. When a current passes through it, it creates a nearly uniform magnetic field inside.

 * Solenoids can convert electric current to mechanical action, and so are very commonly used as switches.

 *  The magnetic field within a solenoid depends upon the current and density of turns.

 * In order to estimate roughly the force with which a solenoid pulls on ferromagnetic rods placed near it, one can use the change in magnetic field energy as the rod is inserted into the solenoid. The force is roughly

                

                                                  change in magnetic field energy

                force on rod      =   ---------------------------------------------------

                                                  distance rod moves into solenoid

 * The energy density of the magnetic field depends on the strength of the field, squared, and also upon the magnetic permeability of the material it fills. Iron has a much, much larger permeability than a vacuum.

 * Even small solenoids can exert forces of a few newtons.

=> AFFECTS OF STRENGTH OF SOLENOID:

There are many factors and I cannot go fully into them here.

* Materials, size and duty of the solenoid all affect the operation. A solenoid, as you know, is a coil with an element which moves as a result of power being applied and removed. A simple switch.

* Clearly the more windings you have for set conditions of voltage will generate a greater field strength. The windings excite a core and the material of that core has a significant effect.

* The moving element can easily be made to suit power transfer requirement.

* So you need to understand application and work backwards. There may even be a solid state solenoid which can do the same thing.

Read more on Brainly.in - https://brainly.in/question/7747489#readmore

Explanation:

8 0
3 years ago
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