Select all of the TRUE statements. (Select all that apply.) A riboswitch is an R

Question

Select all of the TRUE statements. (Select all that apply.)

A riboswitch is an RNA molecule that can exist in two different conformations. Conversion from one to another is due to the binding of a small molecule to the riboswitch.

Constitutive genes are those that have constant levels of expression.

Operons that code for catabolic enzyme systems are typically regulated by repressors.

Negative transcriptional regulation is conducted by activator proteins.

In the lac operon, the operator is an example of a trans-effect genetic regulation.

DNA that contains instructions for two or more structural genes produces monocistronic mRNA.

A riboswitch is an RNA molecule that can exist in two different conformations. Conversion from one to another is due to the binding of a small molecule to the riboswitch.

Constitutive genes are those that have constant levels of expression.

Operons that code for catabolic enzyme systems are typically regulated by repressors.

Negative transcriptional regulation is conducted by activator proteins.

In the lac operon, the operator is an example of a trans-effect genetic regulation.

DNA that contains instructions for two or more structural genes produces monocistronic mRNA.

Explanation / Answer

1. True

2. True

3. False

4. False

5. False

6. False

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