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2 years ago

Which of the following statements correctly describes the normal tonicity conditions for typical plant and animal cells?

Biology

2 answers:

sergij07 [2.7K]2 years ago

8 0

The answer is C. the animal cell is in a hypertonic solution

inysia [295]2 years ago

6 0

Answer:

The correct answer will be option-D

Explanation:

Tonicity is a measure of the concentration of the solute particles inside to the outside a cell. Tonicity is important to a cell as it determines the direction and movement of the water and solute by the process of osmosis.

The animal cells prefer an isotonic solution with the same amount of solute and water concentration as they lack a cell wall, due to which if water enters will cause lysis of the cell.

The plant cell prefers the hypotonic solution with low solute concentration due to which the cell can easily enter the cell and can be stored in vacuole if needed.

Thus, option-D is the correct answer.

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What is the function of active transport in moving small molecules and ions across cell membranes?

valina [46]

Active transport moves small molecules against the a concentration gradient which is the opposite of diffusion or that's what i found in Quizlet

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2 years ago

The graph represents velocity vs. time for Carla. A graph with horizontal axis time (seconds) and vertical axis velocity (meters

kherson [118]

Answer:

The statement that best describes the graph is Carla slowed down in the beginning of her trip, stopped, and then sped up.

Explanation:

Data:

Horizontal axis = time.

Vertical axis = velocity (m/s).

A line runs in straight segments

from 0 seconds 15 m/s.
to 1 seconds 13 m/s.
to 2 seconds 10 m/s.
to 3 seconds 4 m/s.
to 4 seconds 0 m/s.
to 6 seconds 4 m/s.

According to the data present in the graph, it can be seen that Carla starts with a speed in her career, which decreases over time. After four seconds she stops, remains stopped for one second and starts running again, with an initial speed of 4 m/s.

In conclusion, the graph show Carla -who is moving- slows down until she stops, and then starts the race again.

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2 years ago

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One human impact on the phosphorus cycle occurs through:

valentina_108 [34]

D is the awnser i think

6 0

2 years ago

What problem would most likely to occur if a haploid cell attempted to perform meiosis? the cell could not replicate its dna pri

Cerrena [4.2K]

The answer is; the cell could not pair homologous chromosomes during meiosis.

For meiosis to occur, the sister chromosomes pairs line up in the metaphase-plate so that each chromosome of the pair is pulled to the opposite pole by the spindle in anaphase. Therefore, meiosis can only occur in cells with normal ploidy so the ploidy halved by meiosis.

8 0

2 years ago

According to the theory of plate tectonics, which is one feature that plates carry?

Phoenix [80]

Answer:

seafloor

Explanation:

A plate, often described as a lithospheric plate, with seafloor, continents and mountains on top of it.
The earth is divided into three layers based on their chemical composition. Undoubtedly, there is a component called the lithosphere.
The lithosphere consists of a crust and a portion of a solid upper mantle.
Below the lithosphere is the asthenosphere.
There are two types of crusts: the continental crust and the oceanic crust.
Where there is a seabed there is a sea crust.
Mountains are also found in oceanic and continental crusts.
The intercontinental layer corresponds to the continents.

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2 years ago

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