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irina [24]
3 years ago
14

Can someone help me please! I can’t fail this class!

Biology
1 answer:
Aleonysh [2.5K]3 years ago
4 0

Answer:

Explanation:

Look I would help but I'm not learning that stuff yet in Middle School.

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If a hemoglobin molecule comes into close contact with a respiring cell, the presence of CO2 in the environment will cause hemog
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Answer:

No, when the concentration of carbon dioxide is high, such as in peripheral tissues, CO2 binds to hemoglobin and the affinity for O2 decreases, causing it to release.

Explanation:

The O2 molecule is reversibly combined with the heme portion of the hemoglobin. When the partial pressure of O2 is high, as in the case of pulmonary capillaries, for example, the binding of O2 to hemoglobin and the release of carbon dioxide are favored, this is known as the Haldane effect. If, on the contrary, when the concentration of carbon dioxide is high, such as in peripheral tissues, CO2 is bound to hemoglobin and the affinity for O2 decreases, causing it to release, this is known as the effect Bohr.

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3 years ago
A solution of starch at room temperature does not readily decompose to form a solution of simple sugars because
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Answer:

E = The activation energy barrier for this reaction can not easily be surmounted.

Explanation:

Starch:

Starch is a polymeric carbohydrate consist of various glucose units join together through glycosidic bonds.

Reason why it is not dissolve at room temperature:

When starch is added into water it form granules with cold water and can be soluble by heating.

At a room temperature the starch does not readily decompose to from the solution by decomposing into simple sugar because the activation energy barrier for this reaction can not easily be surmounted at a room temperature.

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3 years ago
Predict how the thickness of cuticle and the number of stomata differ in plants from wet habitats versus dry habitats. drag the
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The cuticle decreases water loss and stomata assist gas exchange. The plants from wet habitats must have a comparatively large number of stomata and thin cuticle. The plants existing in dry habitats must have comparatively few stomata and thick cuticle.
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3 years ago
Thailand has the highest percent of vulnerable forest.<br><br> A. True<br> B. False
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The answer is f good luck

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Advancements in the area of agriculture has started to depend on technology sources for better yield and technology advancements
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I not sure but my guess is D if I wrong tell me
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2 years ago
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