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Ostrovityanka [42]
3 years ago
8

The field of _____ deals with changes in organisms due to changes in gene expression rather than changes in the genetic code.

Biology
2 answers:
stealth61 [152]3 years ago
7 0

The field of epigenetics deals with changes in organisms due to changes in gene expression rather than changes in the genetic code.

Papessa [141]3 years ago
5 0

Answer: Epigenetics

Explanation:

Epigenetics deals mainly with changes that come about as a result of changes in the gene expression including gene products. These changes do not occur as a result of changes in the genetic code. It mainly studies modifications made to gene expression. These include DNA methylation: addition of a methyl group to a region on the DNA molecule preventing some genes from being expressed. Another is Histone modifications: Acetylation, methylation, phosporylation, etc

All these either help in activating transcription or deactivate transcription.

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That would be B.

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What is the dependent variable in tornado in a bottle?
Vlad1618 [11]

Answer;

The amount of water and the temperature of the water and the angle the bottle was set in.

Explanation;

The two main variables in an experiment are the independent and dependent variable;

-An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.

The dependent variable is 'dependent' on the independent variable. As the experimenter changes the independent variable, the effect on the dependent variable is observed and recorded.

For example; the dependent variable in tornado in a bottle is the amount of water and the temperature of the water and the angle the bottle was set in.

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3 years ago
Which of the following materials is not part of every chemical reaction?
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Answer:

The correct answer is C. gases.

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Energy is either used or released during the chemical reaction. When the energy is used, it is termed as endothermic reaction but when the energy is produced by the reaction, it is termed as exothermic reaction.

Lastly, gases may or may not participate in a chemical reaction.

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Answer:

D or the last one

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