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charle [14.2K]
2 years ago
10

What does passive transport mean

Biology
1 answer:
zalisa [80]2 years ago
4 0

Answer:

Passive transport is a movement of ions and other atomic or molecular substances across cell membranes without need of energy input, unlike active transport where it does not driven by the tendency of the system to grow in entropy.

Explanation:

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Positive feedback is used to build more contractions.

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Positive feedback mechanism in humans is also observed during childbirth which is induced by the pressing of the ovarian wall by the baby.

The pressing sensation is passed to the brain via different nerves, and in response, the brain stimulates the pituitary to produce oxytocin.

Oxytocin is responsible for the contractions of the uterine muscles which cause the movement of the fetus towards the cervix, further increasing the stimulus.  

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Cell theory states that all living things contain one or more cells. Why do you think cell theory meets the definition of a scie
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<h3>What is a scientific theory?</h3>

A scientific theory is a well-sustained statement based on different types of scientific evidence.

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In conclusion, the cell theory meets the definition of a scientific theory because it is testable and verifiable.

Learn more about scientific theories here:

brainly.com/question/11555274

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