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Nadya [2.5K]
2 years ago
6

The image is an aerial photograph. What is the geological feature shown?

Biology
1 answer:
alexira [117]2 years ago
5 0
There is no image???
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(Ch. 27.4) Many people are allergic to substances in the environment, such as ragweed pollen, as well as foods, such as peanuts.
djverab [1.8K]

Answer:

C. The substance does not directly harm tissues and is not a pathogen, but nevertheless triggers an inflammatory response.

Explanation:

When a person is allergic to a substance, his or her immune system recognizes a harmless substance, such as components in food, pollen, or dust, as a treat. As a consequence, it starts an immune response that leads to inflammation. The substance that starts the allergic reaction is called an allergen, and it is not a pathogen because it is not a real threat to the body since it does not infect cells. When the allergen enters the body, it binds to antibodies that are in contact with a special type of cell. These specific cells will release a substance known as histamine. Histamine will produce an inflammatory reaction affecting different tissues in our body. For example, it can make us sneeze, have a running nose, swelling parts of our body, have itchiness and redness, amongst others.

3 0
2 years ago
.A researcher alters the DNA-binding domain of a glucocorticoid receptor to that of an estrogen receptor. How would the cells re
gizmo_the_mogwai [7]

Answer:

d) They would bind glucocorticoids, and initiate estrogen-dependent synthesis

Explanation:

Both Glucocorticoids and estrogens Hormones have important but distinct physiologic functions. These two hormones belongs to the two classes of steroid hormones. Both of these hormones binds to their specific receptors.

DNA binding domain is the domain that after activation by external factors such as hormones express the specific proteins by binding to specific region of the DNA.

As DNA binding domain of a glucocorticoid receptor is altered with DNA binding domain of estrogen receptor so it means binding site of the glucocorticoid hormone for glucocorticoid receptor remains the same and binds to glucocorticoids but on binding it activates the estrogen DNA binding domain which further binds to specific region in the DNA which initiates estrogen dependent synthesis.

7 0
3 years ago
Read 2 more answers
Frozen red blood cells that have been thawed, deglycerolized and reconstituted in an open system must be used within _______.
horsena [70]

Frozen red blood cells that have been thawed, deglycerolized and reconstituted in an open system must be used within 24 hours.

Cryopreservation of Red blood cells (RBCs) can be done with a long time span of usability of 10 years. Glycerol safeguards RBCs during freezing and defrosting, yet it can cause hemolysis if it is not washed off or eliminated before transfusion. When a unit has been deglycerolized, the shelf life of RBCs in an open system is only 24 hours, bringing about sporadic utilization of Frozen RBCs from the outset of the procedure or in close system cases it is up to 14 days.

Learn more about Blood transfusion here,

brainly.com/question/15314284

#SPJ4

6 0
1 year ago
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(20 Points) to whoever solves this CORRECTLY!
Firdavs [7]

Answer:

D

Explanation:

5 0
3 years ago
An animal study is being conducted to determine the effect of vitamin C on the incidence of common cold. The researcher gives on
Sav [38]
<h2>Placebo Effect</h2><h2>Explanation:</h2>
  • C<u>ontrol group </u>is Right Answer.
  • An animal study is being conducted to determine the effect of vitamin C on the incidence of common cold.
  • The researcher gives one group of rats the vitamin C pills and the other group of rats gets the ""dummy"" pill (placebo).
  • The rats that received the placebo would be called the <u>control group.</u>
  • Endogenous opioids, for example, endorphins and enkephalins, are normal pain alleviating synthetic substances created in the body.
  • Absense of pain because of the misleading impact is reliant upon the actuation of propositions endogenous opioids in the brain.

5 0
3 years ago
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