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Alik [6]
3 years ago
13

The _______ are involuntary.

Biology
1 answer:
SIZIF [17.4K]3 years ago
3 0
Cardiac muscles are involuntary
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For a pre-event meal, rich sources of carbohydrates, such as bagels, muffins, and bread, should be eaten ______ before an endura
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3 years ago
Which of the following statements is accurate?
PIT_PIT [208]

C. Useful energy out of a system is always less than the energy input of that system.

Explanation:

The correct statement of the given options is that useful energy out of a system is always less than the energy input of that system.

This is in compliance with the third law of thermodynamics which states that "energy transformation in a system is not 100% efficient".

  • At every stage energy is usually lost when it is transformed from one form to another.
  • There is no machine that is 100% efficient.
  • A machine that is 100% efficient will convert all the useful energy in it to do work and even more.
  • In system energy is usually lost as a result of heat and to overcome friction.
  • This reduces the amount of energy out of a system.

learn more:

Third law of thermodynamics brainly.com/question/3564634

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4 0
3 years ago
A radioactively labeled protein is made by cells and followed through various organelles in the secretory pathway. After six hou
kupik [55]

Answer:

The protein is targeted to Golgi apparatus.

Explanation:

Protein targeting or sorting is a process by which synthesized proteins are transported to their appropriate localizations in the cell or outside it. Proteins can be targeted to the inner space of an organelle (such as Golgi apparatus or endoplasmic reticulum) or its membrane, plasma membrane, or to exterior of the cell via secretion.  

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