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3 years ago

One difference between mixtures and pure substances is that

Biology

2 answers:

ehidna [41]3 years ago

8 0

Answer: Option (A) is the correct answer.

Explanation:

A mixture is defined as the substance that contains two or more different number of substances which are physically mixed together.

For example, a mixture of mud and water can be separated through the process of filtration.

A pure substance is defined as the substance which contains either same or different type of atoms that are chemically combined to each other in a fixed ratio by mass.

For example, both $Cl_{2}$ and $MgSO_{4}$ are pure substances.

A pure substance can only be separated by chemical means.

Thus, we can conclude that one difference between mixtures and pure substances is that mixtures can be physically separated.

Fudgin [204]3 years ago

4 0

I'm Pretty Sure The Answer Is A.

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A condition in which a single mutant gene affects more than one distinct characteristic of an individual is referred to as _____

hram777 [196]

A condition in which a single mutant gene affects more than one distinct characteristic of an individual is referred to as Pleiotropy.

<h3>What is Pleiotropy?</h3>

Pleiotropy occurs when one gene influences two or more seemingly unrelated phenotypic traits.
Such a gene that exhibits multiple phenotypic expressions is called a Pleiotropic gene.
Pleiotropy can arise from several distinct but potentially overlapping mechanisms, such as gene pleiotropy, developmental pleiotropy, and selectional pleiotropy.
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So, when a single trait mutant gene controls more than one trait it is called Pleiotropy and it can cause the various syndrome.

To learn more about Pleiotropy,

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2 years ago

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slega [8]

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4 years ago

Suppose the DNA sequence for the first message in Part B began with TGT CGA instead of TGA CGA. Would the message change? Why or

alexgriva [62]

The message would change because each base has a specific pair that it bonds with. So the original strand's matching sequence would be (ACT GCT) if they were to change the last letter of the first set of 3 numbers, it would be (ACA GCT), and you can see there is a difference in the first sequence of bases. Hope this helps (:

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3 years ago

In a flower, the anther is attached to filament. What advantage does the filament provide to the anther?

Likurg_2 [28]

The correct answer is A. The filament elevates the anther to allow for easier transport of pollen by wind or insects.

Explanation

The filament of a flower is the sterile part of the stamen (male organ of the flower) that is located just below the anther. Its function is structural to hold the sling so that it is accessible to insects. The filament is usually cylindrical and fine. Therefore, the correct answer is A. The filament elevates the anther to allow for easier transport of pollen by wind or insects.

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Naddik [55]

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