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raketka [301]
2 years ago
6

Solution A contains 5 grams of sugar per liter while solution B contains 2 grams of sugar per liter. The solutions are separated

by a selectively permeable membrane. If the solvent in both solutions is water, predict in which direction most of the water molecules will move.
A. move by simple diffusion from solution A to solution B
B. move by osmosis from solution B to solution A
C. move by active transport from solution B to solution A
D. move by filtration from solution A to solution B
E. There will be no movement of water.
Biology
2 answers:
Nady [450]2 years ago
5 0

Answer:

B. move by osmosis from solution B to solution A

Explanation:

Remember that osmosis as a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.

Alekssandra [29.7K]2 years ago
5 0

Answer: B. move by osmosis from solution B to solution A

Explanation: SEMI PERMEABLE MEMBRANE Is a membrane that selectively permeats materials to pass through it,it selects materials and substances according their particle size,shape concentration etc.

Osmosis is the movement of water or other solvent molecules from a region of lower concentration to another region of higher concentration through a semi permeable membrane.

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Identify the rectangular solid that represents the cell with the smallest amount of plasma membrane per volume of cytoplasm
Xelga [282]

Answer:

Solid 1 has the smallest amount of plasma membrane per volume of cytoplasm

<em>Note: The question is incomplete. The attachment below gives the complete question</em>

Explanation:

The outermost surface of a cell is bounded by the plasma membrane which functions to maintain the integrity of the cell as well as control the movement of particles in and out of the cell.

The ratio of the surface area of a cell to the volume of the cell indicates how big the cell is. When the surface area to volume ratio is small, the cell is very big, but if the surface area to volume ratio is big, the cell is small.

From the attachment below, the surface area (plasma membrane) per volume of plasma of the rectangular solids are as follows:

Solid 1: 10/2 = 5 cm⁻¹

Solid 2: 12.18/2 = 6.09 cm⁻¹

Solid 3: 19.0/2 = 9.5 cm⁻¹

Solid 4: 34.24/2 = 17.12 cm⁻¹

Solid 5: 65.79/2 = 32.895 cm⁻¹

Solid 1 has the smallest amount of plasma membrane per volume of cytoplasm

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A student reads in a science blog that viruses take over a host cell to grow and reproduce. Why do viruses depend on host cells
jekas [21]

Answer:

A

Explanation:

Usually a virus is mainly made up of genetic material (DNA or RNA) inside a capsid/envelope. It has no organelles like a ‘true’ cell. Because it cannot reproduce on its own, scientists struggle to categorize it as a living thing since  reproduction is a property of living things. The virus reproduces by hijacking the cellular mechanisms of the host cells to replicate itself. It does so by integrating itself in the genome of the host so that its DNA is also replicated, along with that of the host, by the host cell DNA polymerases and its proteins produced by the ribosomes of the host.

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shepuryov [24]

Answers;

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Yellow seed color

F1 generation: In Mendel's experiments the offspring of the P generation

Yellow seed color and

Green seed color

F2 generation: In Mendel's experiments the offspring of the F1 generation

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C.
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A man is heterozygous for sickle cell anemia and homozygous dominant for familial hypercholesterolemia. Knowing that these genes
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