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Masja [62]
3 years ago
15

34. Which system supports the body and protects organs?

Biology
1 answer:
Illusion [34]3 years ago
7 0

Answer:

Explanation:

The skeletal system

The skeletal system works as a support structure for your body. It gives the body its shape, allowing  movement.

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Answer:

It's first one

Explanation:

Covalent bond

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Where do the calories in your food come from?​
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Answer: Calories are the amount of energy released when your body breaks down (digests and absorbs) food.



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What are two crucial functions of the carbon cycle?
Stolb23 [73]
A. Keeps carbon dioxide from escaping atmosphere
and slows diffusion
B. Prevents bicarbonate formation and slows
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8 0
2 years ago
A plant can produce either purple flowers or white flowers. What is the probability of purple-flowered offspring if two plants t
AnnZ [28]
You would be crossing Pp and Pp. If you put them in a punnet square, the four possible gene combination you get would be PP, Pp, Pp, and pp. In all cases except the last, the resulting flower's phenotype would be purple. So the probably of purple flowered offspring is 75%, or 3/4.
5 0
3 years ago
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During depolarization, which of the following statements about voltage-gated ion channels is TRUE
Wewaii [24]

Answer:

In relation to voltage-gated ion channels, when depolarization occurs, Na⁺ gates open while K⁺ gates remain closed.

Explanation:

Depolarization is a phenomenon that occurs in cells like neurons, and depends on the distribution of ions in extracellular spaces and intraceluar.

  • Na⁺  is a predominantly extracellular cation.
  • K⁺ has a high intracellular concentration.

This distribution occurs when the membrane potential is at rest, with a negative intracellular value.

Depolarization involves opening the Na⁺ channels, so that this cation enters the intracellular space, causing a change in cell voltage. Increasing Na⁺ concentration in intracellular space progressively produces an action potential, resulting in an electrical signal.

While depolarization occurs, K⁺ channels remain closed, limiting the output of this cation to extracellular space, which would prevent the action potential from occurring.

Learn more:

brainly.com/question/4661368

5 0
3 years ago
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