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3 years ago

True or False. Water moves both ways across a Membrane.

Biology

2 answers:

geniusboy [140]3 years ago

7 0

Answer:

True

Explanation:

Water molecules can move across a membrane due to size of the molecule. Water molecules are small in size thus can diffuse easily. Big size molecules cannot move across the membrane because the membrane is selectively permeable with tiny pores that allow free passage of gases and water.

fomenos3 years ago

5 0

Explanation:

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Answer:

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Explanation:

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3 years ago

Which component of the Earth includes the water above, on, or in the Earth's crust? (This includes water in the oceans, seas, la

alekssr [168]

B. hydrosphere

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3 years ago

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Ostrovityanka [42]

Answer:

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3 years ago

A phycologist is interested in testing the claim that the proportion of algae from a local rivulet that belonged to the particul

Shkiper50 [21]

Answer:

The test statistic for this hypothesis test is - 3.68.

Explanation:

A test statistic is a random variable that is calculated from sample data and used in a hypothesis test. You can use test statistics to determine whether to reject the null hypothesis. The test statistic compares your data with what is expected under the null hypothesis.

Sample proportion = 38/50

= 0.76

Hence,

Test statistic

$= \frac{0.76-0.50}{\sqrt{0.50*0.50/50}}$

= 3.68

4 0

3 years ago

A food preservation method in which microorganisms metabolize components of a food is called

Firdavs [7]

<span>A food preservation method in which microorganisms metabolize components of a food is called </span>fermentation.
When the food is going on fermentation, there are good bacteria over there that will inhibit other bacteria to grow on that food. Fermentation also able to made the pH more acid, making the area is not suitable for bacterial growth.

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3 years ago