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yanalaym [24]
3 years ago
11

Fireworks exploding in the sky and giving off light are an example of a(n) _____.

Biology
1 answer:
crimeas [40]3 years ago
7 0
Exothermic change. Because the firework when it exploded, released energy in the form of light. In exothermic changes energy is released, and in endothermic changes energy is absorbed.
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Which of the following events would you predict as carbon dioxide is released from your muscles into the surrounding capillary b
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Answer: C. Oxygen delivery to muscle is increased when more carbon dioxide is produced by the muscle.

Explanation:

When someone is doing an exercise, for example, his heart rate increases. This increases the rate at which oxygen is carried from the blood to the muscles and carbon dioxide is moved from the muscles to the lungs, where it will be breathed out.

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3 years ago
Part of cortisol’s role in the body involves passing through the plasma membrane to initiate signaling inside a cell. Describe h
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Answer:

Small and lipid soluble cortisol can pass through nonpolar core of the plasma membrane.

Explanation:

Cortisol is a lipid-soluble steroid hormone with a compact structure. The plasma membrane is a bilayer of phospholipids.

The phospholipids are amphipathic molecules with a polar head and nonpolar tails. The nonpolar tails of the two layers of phospholipids are packed away from the watery medium and make the core of the plasma membrane.

Being a lipid-soluble hormone with a small structure, cortisol can pass through the nonpolar core of the plasma membrane easily to activate its receptors and alter the gene expression.

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4 years ago
Inspecting shipments careful when they arrive ensures that the food was fresh, kept cold and has been properly stored and shippe
tatiyna

Inspecting shipments carefully when they arrive ensures that the food was fresh, kept cold and has been properly stored and shipped. It also helps to determine if the food, products or the items have any damage, defects or obvious issues.

4 0
4 years ago
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How many generations are represented in the pedigree above? *
pantera1 [17]

Answer:

A basic pedigree usually includes three generations—the consultand's first-degree relatives (parents, children, siblings) and second-degree relatives (half siblings, grandparents, aunts and uncles, grandchildren). Third-degree relatives, particularly cousins, are often included, if only to note that they "exist."

Explanation:

7 0
3 years ago
The sports drink G2 has 17 grams of carbohydrate in a 20 ounce bottle. How many calories does this provide from carbohydrate?
DENIUS [597]
<h3><u>Answer;</u></h3>

68 calories

<h3><u>Explanation;</u></h3>
  • <u><em>Carbohydrates is one of the biomolecules, others being nucleic acids, lipids and proteins. Carbohydrates are the major sources of energy in the body.</em></u>
  • Carbohydrates are made up of carbon, oxygen and hydrogen. They are classified as monosaccharides, disaccharides and polysaccharides.
  • <em><u>Each gram of carbohydrates yields energy equivalent to 4 calories. Therefore, 17 grams will yield (17×4) 68 calories.</u></em>
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3 years ago
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