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Over [174]
3 years ago
15

Why is the plasma membrane selective?

Biology
1 answer:
lakkis [162]3 years ago
3 0
I think it’s So lipid-soluble molecules do not enter or exit the plasma membrane unassisted


Hope this helps so sorry in advance if it’s wrong but hope it helps
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In a population in which homozygotes (AA and aa) mate preferentially with individuals of the same genotype, which frequency will
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Answer:

It will remain constant...

Explanation:

In accordance with the Mendel's law of segregation, independent assortment as well as Hardy-Weinberg Theorem., no matter what type of cross within the homozygotic characteristics takes place, the frequency of dominant and recessive will remain constant over the whole population even if selective breeding strategy is applied.

For example, the ratio for a single trait of allele will remain 3:1 for a whole population of large numbers

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2 years ago
The students in Ms. Hill's science class we're investigating the properties of water. They placed a piece of celery in a beaker
Rom4ik [11]

The answer to this question would be D.

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2 years ago
Which of the following statements is false?
katrin2010 [14]
Answer B is false. An element is a type of atom and you do not need to combine two atoms to get a specific element. Combining two atoms will leave you with a compound not an element.
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2 years ago
An investigation was done to see if keeping the lights on for different amounts of time each day affected the number of eggs chi
sergiy2304 [10]

Answer:

This question is incomplete, the complete part is asking to identify the variables of the experimental statement i.e. dependent and the independent variables.

Independent variable: different amounts of time light is on

Dependent variable: Number of eggs laid by chicken

Explanation:

In a scientific experiment, variables, which are factors that can be altered, are used. These variables are independent and dependent variables.

An independent variable is that variable that is subject to manipulation or control by the experimenter in order to bring about a change in the dependent variable. For this experiment, the independent variable is the DIFFERENT AMOUNT OF TIME LIGHT IS ON.

On the other hand, a variable is said to be dependent if it is the measurable or responding variable. The response of the dependent variable is dependent on the independent variable. In this experiment, the dependent variable is the NUMBER OF EGGS LAID BY CHICKENS. The number of eggs laid (dependent variable) is dependent on the amount of time light is on (independent variable).

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