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tatuchka [14]
3 years ago
6

A type of transport protein found in the plasma membrane of cells lining the inside of the intestine allows sodium ions to diffu

se down their concentration gradient. The ions move through the transport protein, and into the cell. These transport proteins will use the kinetic energy of the diffusing sodium ions to bring glucose into the cells as well. This transport protein would best be described as
a. Stopping the activity of the sodium potassium pump.
b. Increasing the concentration of glucose outside of the cell.
c. Lowering the energy of activation.
d. Increasing the number of digestive enzymes in the digestive tract.
Biology
1 answer:
harkovskaia [24]3 years ago
5 0

Answer:

<em>The transport protein would best be described as the activity of the sodium potassium pump. However, none of the alternatives are correct.  </em>

Explanation:

<em>Letter A: stopping the activity of the sodium potassium pump is incorrect because, it is the only mechanism of transport our organism has to move proteins into the cell. So, if we stop it or inhibit the sodium potassium pump, we will cause damage into the heart and intestine cells.</em>

<em>Letter B: Increasing the concentration of glucose outside of the cell is incorrect because, on normal conditions the glucose tends to outflow the cell, so the correct answer would be reduce the concentration of glucose outside of the cell, so that the amount of the glucose remain inside of the cell.</em>

Letter C: lowering the energy of activation has nothing to do with this process at all.

Letter D: Increasing the number of digestive enzymes does not have anything to do with this process neither.

The letter A could be the write answer, if could delete the word stopping.

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A true-breeding plant that produces yellow seeds is crossed with a true-breeding plant that produces green seeds. The F1 plants
nadya68 [22]

Answer:

The phenotypic ratio will be 3:1

Explanation:

As per this question there are two phenotypes for seed color, yellow and green. Both the parents are true breeding that means they are homozygous for this trait. Also, all the F1 plants have yellow seed color which clearly indicates that yellow seed color is a dominant trait while green is recessive trait.

The cross of true breeding plants as mentioned above is depicted as under:

Parents                             YY    x   yy

                                          /   \       /   \

F1 generation                Yy   Yy  Yy   Yy

So, as per the law of dominance because of the presence of Y allele, all these progeny will be yellow in color.

Next, when these F1 plants will be crossed, the result will be as under:

F1 generation                    Yy   x    Yy

                                         /   \         /   \

F2 generation               YY   Yy   Yy   yy

The genotypic ratio of F2 generation is 1:2:1

The phenotypic ratio of F2 generation is 3:1

It simply means that in F2 generation, 3 progeny which have allelic combination YY & Yy will be yellow colored while 1 progeny which has allelic combination yy will have green color.

8 0
3 years ago
All of the following form the composition of soil EXCEPT Question 5 options: Climate Organisms Parent rock Convection currents
Ilia_Sergeevich [38]

If I am understanding the choices correctly, the answer would be Convection Currents.

Hope this helps!

8 0
3 years ago
Which nursing actions are necessary to prepare a perinatal patient for research?
Bezzdna [24]
The necessary actions are 
<span>- Inform the patient about her rights
</span><span>- Obtain consent from the patient
</span>
To be ethical, we should fully give informations to the perinatal patient about research without concealing anything. Including the potential side effects of the research and the payment/benefit that they patients would get if they agree to be a part of it
6 0
3 years ago
Mitosis is a type of cell division. organize the images below to show the steps of mitosis.
barxatty [35]

Answer:    

The correct order is F, E, C, G, H, A, D, and B (look at the image in the attached files)

Explanation:

  • <u>Interphase</u><u>:</u> Stages G1, S, and G2. At this point probably, the chromatin duplication has already occurred, but it is still lax or dispersed. It has not condensed yet. Two pairs of centrioles are outside the nucleus (FIGURE F)  
  • <u>Prophase</u>: Centrioles move forward to the opposite poles of the cell. Chromatin is condensed and individual chromosomes are now visible. The nuclear membrane breaks into many pieces. Spindle apparatus -microtubules- forms. (FIGURE E)
  • <u>Metaphase:</u> The polar and the kinetochore fibers drive each individual chromosome to the equatorial plane. This stage ends when all the chromosomes are completely arranged in the medial area.  (FIGURE C)
  • <u>Anaphase</u>: Sister chromatids separate and move to the opposite poles of the cells, driven by the microtubules. In each pole, there are a pair of centrioles (FIGURE G and H).
  • <u>Telophase</u>: The nuclear membrane rearranges. Each sister chromatid becomes now a new chromosome. There is a pair of centrioles outside each of the nuclei. (FIGURE A)
  • Cytokinesis occurs at the end of the cell division. The rest of the cell is divided into two new daughter cells. Each daughter cell is an identical copy of the other cell, with the exact same genetic material (FIGURE D).
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5 0
2 years ago
Help <br><br> someone that knows it
slamgirl [31]

Answer:

According to the image, the approximate QT interval is 0.4 seconds.

Explanation:

The QT interval is the space between the beginning of the QRS complex and the end of the T wave, which represents from the beginning of depolarization to ventricular repolarization.

Considering that the extandardized measurements of an EKG, where the paper circulates at a speed of 25 mm/s, 1 mm horizontal —measuring time— has an equivalence of 0.04 s.

In the image, there is 10 mm between the beginning of the QRS and the end of the T wave, so:

    0.04 seconds X 10 mm = 0.4 seconds.

Then, the estimated QT interval is 0.4 seconds.

7 0
3 years ago
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