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3 years ago

Do all mutations affect the STRUCTURE of proteins ? Do all mutations affect the FUNCTIONS of proteins??

Chemistry

1 answer:

finlep [7]3 years ago

7 0

Answer:

1. No; only a small percentage of mutations cause genetic disorders—most have no impact on health or development.

2. No. For example, some mutations alter a gene's DNA sequence but do not change the function of the protein made by the gene.

Explanation:

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You are given a sample resembling silver. Which of the following properties could be used to help determine whether the sample i

defon

Answer:

the density of the sample - the melting point of the sample

Explanation:

Intrinsic property is the property of matter which exists itself or within subject. In other words, it do not depend on the mass of the sample. An extrinsic property is not inherent or essential to subject which is being characterized. In other words, it depend on the mass of the sample.

For example,

Density, melting point are example of intrinsic property. Whereas, weight, volume are an example of extrinsic property.

Intrinsic properties helps to determine the matter. Thus, density of sample and melting point of sample is the answer.

5 0

3 years ago

Ocean water is a combination of salt and water. Which of the following best describes the composition of ocean water? It is an e

brilliants [131]

Answer:

The ocean is made up of salt water, which is a combination of fresh water, plus minerals collectively called "salts." These salts aren't just sodium and chloride (the elements that make up our table salt), but other minerals such as calcium, magnesium, and potassium, among others.

Explanation:The answer is since particles can be found in ocean water It is a compound, since it results from the combination of elements It is a solution

3 0

4 years ago

How much rust is produced with 1.5 kg of Fe reacts with water

ZanzabumX [31]

Answer:

2071g or 2.071kg of rust (Fe3O4)

Explanation:

Step 1:

The balanced equation for the reaction.

3Fe + 4H2O —> Fe3O4 + 4H2

Step 2:

Determination of the mass of Fe that reacted and the mass of the Fe3O4 produced from the balanced equation.

Molar Mass of Fe = 56g/mol

Mass of Fe from the balanced equation = 3 x 56 = 168g

Molar mass of Fe3O4 = (56x3) + (16x4) = 232g/mol

Mass of Fe3O4 from the balanced equation = 1 x 232 = 232g

Summary:

From the balanced equation above,

168g of Fe reacted and 232g of Fe3O4 was produced.

Step 3:

Determination of the mass of rust (Fe3O4) produced when 1.5kg ( i.e 1500g) of Fe reacted.

This is illustrated below:

From the balanced equation above,

168g of Fe reacted to produce 232g of Fe3O4.

Therefore, 1500g of Fe will react to produce = (1500x232)/168 = 2071g of Fe3O4.

From the calculations made above, 2071g or 2.071kg of rust (Fe3O4) is produced.

6 0

3 years ago

As a raindrop falls from a cloud to the surface of Earth,

svetlana [45]

Answer:

The answer is C!

Explanation:

Hope it helps

4 0

3 years ago

Read 2 more answers

What is the valency of Al2 in Al2O3

Vladimir [108]

Answer:

Explanation:

There are 3 bonds to the oxygen atoms.

The Valency of the aluminium is 3.

7 0

4 years ago