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3 years ago

Choose 1 Transport Mechanism in a cell and make a relatable analogy based on your experience recently. Explain .

Biology

1 answer:

timofeeve [1]3 years ago

6 0

Answer:

<u>Active transport across membranes is like refilling an empty soda can after pouring the soda into a cup. It takes effort (energy in the form of ATP) to pour the soda back into the can, it wouldn't typically happen on its own.</u>

Explanation:

Cells use several transport mechanisms to move substances across their plasma membranes. Plasma membranes control all movement of substances through passive transport, which does not use energy; and active transport which requires chemical energy in the form of ATP.

Active transport moves substances out of cells against their gradients. In the cell, glucose can be transported inwards for respiration. However, because the internal environment is typically concentrated, (and glucose is needed in high amounts) this requires the use of transport enzymes and ATP.

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How does nitrogen leave a food chain?

vitfil [10]

Answer: c

Explanation: Plants and animals need nitrogen to make proteins but they cannot take it in from the air. Because nitrogen is unreactive as a gas, it has to be transformed into a new molecule. When bacteria in the soil takes nitrogen from the air, it becomes nitrates. Finally, it can move through the food chain in this form.

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4 years ago

Most dietary ______ are too large to be absorbed directly into the capillaries from the small intestine; they must be absorbed i

pashok25 [27]

Most dietary <u>fats </u>are too large to be assimilated and absorbed into the capillaries but they are otherwise absorbed into the lacteals.

<h3>What are dietary fats?</h3>

Dietary fat is necessary for good health. It offers you strength and aids in the absorption of vitamins by your body. Dietary fat has about twice as much energy per gram as carbs and protein.

In the villi ( an organ in the small intestine) is located the lacteal which is a lymphatic capillary that absorbs and assimilates dietary fats.

Most nutrients are also absorbed through the blood capillaries, but as for dietary fats and fat-soluble vitamins, they are absorbed by the lacteals.

Learn more about dietary fats here:

brainly.com/question/988503

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3 years ago

Help with the Name of these labels ?

gtnhenbr [62]

Answer:

A. Outer Membrane B. Peptidoglycan C. Cytoplasmic Membrane

Explanation:

I can't really give an explanation for this one but if you look up gram negative bacteria and go to images you can find a photo that is very similar to the one you show that has labels.

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3 years ago

What causes an H2O molecule to stick to another H2O molecule?

irina [24]

Answer:

In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. The attraction between individual water molecules creates a bond known as a hydrogen bond. ... Both of these atoms can form a hydrogen bond with oxygen atoms of different water molecules.

Explanation:

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3 years ago

What should I look for to Distinguish the eukaryotic cell from the prokaryotic cell

kupik [55]

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3 years ago

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