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4 years ago

The type of soil that forms depends upon

Biology

2 answers:

telo118 [61]4 years ago

7 0

ANSWER:

The type of soil formed depends on the climate, time, parent material, relief and organisms.

EXPLANATION:

The climatic factors like precipitation and temperature describe how quickly weathering will take place and what would be the moisture content of the soil. Soils take many years to form from their parent material.

The parent material is mineral matter or organic matter that forms soil. Soils carry characteristics from their parent material like the texture, color and structure. Organisms define how fertile the soil is. If soil has more organisms, it will be fertile.

muminat4 years ago

3 0

The type of soil that forms mainly depends on climate and original parent rock material.

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4. Which of the following is the monomer that is repeated to create a long

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3 years ago

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22. A plant geneticist is investigating the inheritance of genes for bitter taste (Su) and explosive rind (e) in watermelon (Cit

mylen [45]

Answer:

See the answer below

Explanation:

Using the formula for calculating Chi square ( $X^2$ ):

$X^2$ = $\frac{(O - E)^2}{E}$ where O = observed frequency and E = expected frequency.

The observed frequencies for the four phenotypes are 88, 62, 62, and 81 respectively.

For the expected frequency, the phenotypes are supposed to assort in 9:3:3:1 according to Mendel ratio.

Hence, expected frequencies are calculated as:

phenotype (1) = 9/16 x 293 = 164.81

phenotype (2) = 3/16 x 293 = 54.94

phenotype (3) = 3/16 x 293 = 54.94

phenotype (4) = 1/16 x 293 = 18.31

The $X^2$ is calculated thus:

Phenotype O E $X^2$

1 88 164.81 $\frac{(88 - 164.81)^2}{164.81}$ = 35.80

2 62 54.94 $\frac{(62 - 54.94)^2}{54.94}$ = 0.91

3 62 54.94 $\frac{(62 - 54.94)^2}{54.94}$ = 0.91

4 81 18.31 $\frac{(81 - 18.31)^2}{18.31}$ = 214.64

Total $X^2$ = 35.80 + 0.91 + 0.91 + 214.64 = 252.26

To the nearest tenth = 252

Degree of freedom = n - 1 = 4- 1 = 3

$X^2$ tabulated = 7.815

The calculated  $X^2$  exceeds the critical value, hence, the null hypothesis is rejected. The two genes did not assort independently. 

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3 years ago

Using the terms “hydrophobic”, “hydrophilic” and “ATP”, describe how a vesicle can fuse with a membrane prior to the exocytosis

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Answer:

the vesicle can fuse with a membrane prior to the exocytosis of a protein from the cell by hydrophobic.

Explanation:

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3 years ago

What are two factors that can affect an enzyme from working or become denatured

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The activity of an Enzyme is affected by its environmental conditions. Changing these alter the rate of reaction caused by the enzyme. In nature organisms adjust the conditions of their enzymes to produce an Optimum rate of reaction where necessary or they may have enzymes which are adapted to function well in extreme conditions where they live.

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4 years ago

Describe biodiversity in terms of species

Archy [21]

Answer:

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3 years ago