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Alla [95]
2 years ago
11

3. Which of the following statements best explains how the cell membrane 1 point

Biology
1 answer:
Sav [38]2 years ago
6 0

Answer:

The movement of specific substances into and out of the cell is controlled by the cell membrane.

Explanation:

The cell membrane is permeable, so it allows for the passage of substances both into and out of the cell. It is also selective, so only specific substances can enter and exit the cell.

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The diagram above shows a cell placed in a beaker with salt water. The cell is permeable only to water. What will happen to the
timama [110]

Answer:

It will swell

Explanation:

Since it is only permeable to water, the cell will try and reach homeostasis with it surroundings (it will take in water to decrease the concentration of salt in the cell).

3 0
3 years ago
Which of these is not used by the nervous system to instruct the endocrine system
Alex777 [14]
<span>The correct answer is B.exocrine glands.
It is because exocrine glands do not belong to the neuroendocrine system.</span> <span>The neuroendocrine system integrates the interaction between the nervous system and the endocrine system to regulate the physiological processes of the human body (homeostasis, reproduction, metabolism, osmolarity, energy regulation,  blood pressure). The major systems within neuroendocrinology systems are hypothalamic–pituitary–adrenal axis, hypothalamic–pituitary–thyroid axis,hypothalamic–pituitary–gonadal axis.</span>
5 0
3 years ago
List molar concentrations (0.0 M, 0.2 M, etc.) at which water entered the potato strips. Why did water move into the potato stri
kati45 [8]

Answer:

- Water entered the potato strips because the potato cells contained higher concentration of solutes than its external environment.

- The solutions are hypotonic to the solution in the potato cells.

Explanation:

According to osmosis, water will move from a region where it is high in concentration to that region where it is low in concentration. However, a region with high solute concentration contains a low water concentration and vice versa.

Hence, according to this question, water is said to move into potato strips from solutions of molar concentrations like 0.0M, 0.2M etc. Water moved into the potato strips because potato cells contained higher concentration of solutes than its external environment. This means that the external solutions are HYPERTONIC i.e. low in solute concentration to the solution in the potato strips.

8 0
3 years ago
Based on the weather map above, which statement is true based on the weather map?
alisha [4.7K]

Answer:

A warm front is moving towards South Carolina bringing rainy conditions

Explanation:

From this weather map, we can see that South Carolina will soon be under the influence of a warm front. The warm front is moving towards this state, and it is coming from southeastern direction, thus it has been formed over warm waters. Because it has been formed over warm waters, this front is warm and very moist which will result in lot of rainfall once it comes upon a natural barrier to cause condensation, and the Appalachian Mountains will do just that, thus South Carolina will receive a lot of rainfall.

8 0
3 years ago
How does meiosis differ from mitosis
djverab [1.8K]
<span>The processes differ in two fundamental. Meiosis has two rounds of genetic separation and cellular division while mitosis only has one of each. In meiosis homologous chromosomes separate leading to daughter cells that are not genetically identical.
hope this helped =)</span>
4 0
3 years ago
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