Which of the following reactions takes place in red blood cells in the capillaries surrounding the cells of active tissues?

Biology

1 answer:

Irina-Kira [14]3 years ago

5 0

Answer:B

Explanation:

This reaction demonstrated Bohr effect. it takes place in the cytoplasm of RBC , because this is the location of the enzyme carbonic anhydrase which catalyzed it .

The hydrogen ion and bicarbonate are transferred out of the RBC into plasma. Chloride ion diffused into the RBC to neutralize drop in pH(chloride shift).

The hydrogen ion is mobbed by haemoglobin in its buffer effect, while the carbonate is transferred to the lungs where it is broken down, to release C02 .85% of blood C02 is transported in this form .

The CO2 released out of the lungs , created a concentration gradient for influx of Oxygen into the lungs. This is the significance of this reaction.

In addition, Option D which involved direct reaction of C02 with Haemoglobin to form carbaminoheamoglobin is another reaction which takes place in the RBC. it is a reversible reaction where the C02 is transported to the lungs.10% C02 is tranported in this form,

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HELP!! DNA was isolated from water samples taken from six different sites. This gel

VladimirAG [237]

After running DNA in a gel, bands of different sizes and species might appear. Scientists know silver carp are at North Shore site 1 because one of the bands in lane 1 matches a band in the positive control (Option C).

When DNA was isolated and run in a gel, many bands migrated to different points.

These bands were the different-sized fragments of DNA samples from different species from the six sites.

Researchers wanted to figure out where the silver carp is.

To do it, they needed to identify the bands on the gel that belonged to the silver carp DNA, so they included negative and positive controls to make comparisons.

<h3>Positive and negative Controls</h3>

Negative and positive controls guarantee the interpretations of the results.

The positive control shows the band sizes that belong to the silver carp DNA.

Any band in the sampling sites that matches one of the positive control bands indicates that the species is present at that site.

The negative control is the opposite. It is the absence of the species' DNA.

<h3>Results interpretation</h3>

As we can see, there are four sites where the bands match one of the bands of the positive control. These are,

North shore site 1
Chicago site 1
Calumet site 1
Calumet site 2

This means that at these four sites, the silver carp is present.

So scientists know silver carp are at North Shore site 1 because one of the bands in lane 1 matches a band in the positive control (Option C).

By looking at the lane of the North Shore site 1, we can also see another band (Thinner and grey). But this band does not match either of the positive control bands. This result suggests that the grey band belongs to another species' DNA.

You can learn more about gel electrophoresis at

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brainly.com/question/895793

4 0

3 years ago

When looking at a stalk of celery that has been sitting in red food colored water. Sarah notices the celery has red lines runnin

Sladkaya [172]

Answer:

It is The Xylem Helping The Food Coloring.

Explanation:

I am taking the quiz right now. Also, I had a glossary with me.

Good Day,