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Rama09 [41]
3 years ago
11

The diagram shows a plant cell before and after it is placed in a solution. After the cell is placed in the solution it changes

shape.
Which table shows the initial concentration of solute in the cell and in the solution that would cause the cell to change shape,as shown in the diagram above?

A. Location-Solute Concentration
Inside cell-3%
Outside the cell-6%

B. Location-Solute Concentration
Inside cell-7%
Outside sidd-5%

C. Location-Solute Concentration
Inside cell-0%
Outside cell-0%

D. Location-Solute Concentration
Inside cell-12%
Outside celk-12%

​

Biology
2 answers:
OLga [1]3 years ago
8 0

Answer:

b I think dhduevshiwjdbdjsknsjsbssobdd

kari74 [83]3 years ago
4 0

Answer:

The answer is A.

Explanation:

The tonicity is hyper tonic solution. There is more water inside the cell and high solute concentration outside the cell. The water moves out of the cell and the cell shrinks. The plant will plasmolyze.

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A population of wild-flowers was scored for flower color. There were 302 blue (BB) plants, 1857 violet (BR) plants and 811 red (
Paul [167]

Answer:

frequency of the blue (B) allele = 0.4142

frequency of the red (R) allele = 0.5858

The number of blue plants expected is 509.652

The number of red plants expected is 1019.304

The anticipated number of violet plants is 1441.341

Calculated chi square value

= 84.5320 + 42.5688 + 119.8692\\= 246.97

Explanation:

Frequency of blue allele is

Frequency of blue allele is equal to sum of frequency of BB and half of frequency of BR

\frac{302}{2970} + \frac{1}{2} \frac{1857}{2970} \\= 0.1016 + 0.3126\\= 0.4142

Frequency of other allele

1- 0.4142\\= 0.5858

Chi Square test

See the attached file

The number of blue plants expected is 509.652

The number of red plants expected is 1019.304

The anticipated number of violet plants is 1441.341

Calculated chi square value

= 84.5320 + 42.5688 + 119.8692\\= 246.97

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What role do DNA Helicases have a DNA replication?
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