1. Eukaryotes regulate genes through which of these processes? A) transcription

Question

1. Eukaryotes regulate genes through which of these processes?

A) transcription factors (activators and repressors)

B) mRNA processing

C) signals sent between cells

D) post-translational modifications

E) all of these

2. Which of the following allows a single gene to encode for more than one protein?

A) Alternative splicing

B) Differential gene regulation

C) Crossing over

D) Homologous chromosomes

E) None of the above

3. In many cases post transcriptional modifications are required for a protein to be fully functional. Which of the following are examples of such post-translational modifications. A) Protein cleaving (cutting)

B) Addition of lipids

C) Addition of sugars

D) Addition of phosphate groups

E) all of the above

Explanation / Answer

1. E. All of these.

2. A. Alternative splicing.

3. A. Protein cleaving (cutting).

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