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Marrrta [24]
3 years ago
13

Sort the variables of these three studies based on whether they are independent or dependent variables.

Biology
2 answers:
scZoUnD [109]3 years ago
8 0

Answer:

The correct answer is :

<u>Independent variable-</u>

Light

Penicillin

Progesterone

<u>Dependent variable-</u>

flowering pattern of flowers

Growth of E. coli

Ovulation of rats.

Explanation:

Independent variable is a variable that is not depend on another which can be controlled or altered. Dependent variable is a variable that depends on the independent variable and can be change by changing in the independent variable.

In the given studies effect of light is independent variable as it can effect the flowering pattern of the plants as they they are variable. Same goes with penicillin and progesterone are independent and growth of E. coli and ovulation of rats are dependent variable.

Thus, the correct answer -

<u>Independent variable-</u>

Light

Penicillin

Progesterone

<u>Dependent variable-</u>

flowering pattern of flowers

Growth of E. coli

Ovulation of rats.

ollegr [7]3 years ago
7 0

1. Light is an independent variable.

2. Flowering pattern is a dependent variable.

3. Penicillin is an indepedent variable.

4. Growth of E. coli is a dependent variable.

5. Progesterone is an indepedent variable.

and ovulation is a dependent variable.

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Since it is given that the cell culture contains 3 x 10⁵ cells per ml and there are 12 culture flasks in total. It is also given that each of the culture flask holds 75 ml of culture.

Therefore, to calculate the total capacity of the flasks the total number of flasks should be multiplied with the individual capacity of a flask:-

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Now, in order to calculate the total number of cells in the given culture., the total capacity of the flasks i.e. 900 ml should be multiplied with 3 x 10⁵ cells per ml in the following manner:-

900 x (3 x 10⁵) = 2700 x 10⁵ = 27 x 10⁷ cells

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