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PSYCHO15rus [73]
3 years ago
12

Which of the following are examples of short-term, human-induced environmental changes? Select three answer choices

Biology
2 answers:
horsena [70]3 years ago
7 0

Answer: Short-term would be deforestation and pollution. The rest are long-term!

Delicious77 [7]3 years ago
7 0

Answer:

Number 3 and 5

Explanation:

DEFORESTATION AND POLLUTION

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mitosis is the correct answer

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How does the Digestive system help maintain homeostasis?
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The bacterial flora in the intestines are essential to homeostasis in the body, they not only break down food so the nutrients can be absorbed, they produce vitamins like biotin and vitamin K and guard against harmful bacteria that enter the system. While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body. The digestive system ordinarily gets 20% to 25% of the oxygenated blood pumped out by the heart and the receptors in muscles provide the brain with information about body position and movement, the brain controls the contraction of skeletal muscle the nervous system regulates the speed at which food moves through the digestive tract.

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label the pyramid levels in model 1 with following:primary producers, primary consumers, secondary consumers, ann tertiary consu
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3 years ago
ATP is similar to DNA but has two extra _______.
kondaur [170]

The words that comes in the blanks are phosphate group, phosphate group, a sugar group and a nitrogen base.

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3 0
3 years ago
Because of the presence of both activation and inactivation gates, voltage-gated Na channels can A. be activated B. all of these
gladu [14]

Because of the presence of both activation and inactivation gates, voltage-gated Na channels can be all of these.

  • Sodium voltage-gated channels can be either closed, open, or inactive.
  • Voltage-gated sodium channels are closed when at rest. Both an activation gate and an inactivation gate are present in voltage-gated sodium channels.
  • Although the inactivation gate is open, the activation gate is closed. This conformation is closed but capable of opening. Some of the activation gates open as a result of membrane depolarization brought on by a stimulus.
  • Both the activation and inactivation gates will be opened at this point. As sodium ions enter the cells, nearby activation gates will open.
  • A greater amount of sodium will enter the cells as a result, initiating an action potential.
  • Both gates open when certain depolarization thresholds are reached. Action potential increases to its maximum as sodium rushes into the cell.
  • The inactivation gate will gradually close and the permeability of the membrane to sodium ions will decrease. The channel is now in a state known as "closed but not capable of opening."
  • Up until the membrane potential reaches its resting state, this occurs. The channels once more assume the "closed but capable of opening" conformation when resting values are attained.

learn more about  Na channels here: brainly.com/question/12977601

#SPJ4

7 0
1 year ago
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