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Levart [38]
2 years ago
13

PLS HELP A red flower is crossed with a white flower, producing offspring that are all pink. If two

Biology
1 answer:
Crank2 years ago
7 0

Answer: b : 25%

Explanation:

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A tissue sampler that is being used for a medical procedure is placed inside a saline solution. Unknown to the medical team, the
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Answer: Water will leave the cell and the cell will shrink.

Explanation:

Osmosis is the net movement of water from an area of low to high concentration of solutes through a semipermeable membrane. If none of the compartments contains solutes, then the water moves in either direction between the compartments. <u>However, if we add a solute to one of the compartments, this will affect the probability of water molecules leaving that compartment and moving into the other compartment.</u> The ability of water to move into or out of a cell is called tonicity. The tonicity of a solution is related to its osmolarity, which is the total concentration of all the solutes in the solution. A solution with low osmolarity has few solute particles per liter of solution, whereas a solution with high osmolarity has many solute particles per liter of solution. When two solutions with different osmolarities are separated by a membrane permeable to water but not permeable to solutes, water diffuses from the side with lower osmolarity to the side with higher osmolarity. So, solutions can be:

  • <u>Hypotonic</u>: The extracellular fluid has a lower osmolarity than the fluid inside the cell, it is hypotonic with respect to the cell, and the net flow of water will be into the cell.
  • <u>Hypertonic</u>: The extracellular fluid has a higher osmolarity than the cytoplasm of the cell, it is hypertonic with respect to the cell and water will flow out of the cell.
  • <u>Isotonic</u>: The extracellular fluid and the cell have the same osmolarity so there is no net movement of water.

If a cell is placed in a hypertonic solution, water will leave the cell and the cell will shrink due to the difference in pressure and may even die from dehydration.

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3 years ago
At any given point along the length of the gill lamella, how does the pO2 of the blood flowing through the blood vessels in the
defon

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Explanation:

5 0
3 years ago
What did Mendel observed when he
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Answer:

Green was dominant over yellow. So they were all green if you are talking about the first generation. The second generation would be a mix

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8 0
3 years ago
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Seasonal wildfires often destroy large areas of vegetation in the western States, such as California and Arizona. What type of v
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Grasses because they have a shallow root system and don't take long to grow.
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3 years ago
According to Max Weber, what factor or factors are responsible for social stratification?
OLga [1]

According to Max Weber, what factor or factors are responsible for social stratification?

B. class, prestige, and power

~Hope this answers your question!~

8 0
3 years ago
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