Gene Expression Warm Up 12/4

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases

• the order (sequence) of the nitrogen bases

• the color of the nitrogen bases

• the frequency (number) of nitrogen bases

How can a person's muscle cells have the same exact DNA sequences as their nerve cells even though the look and perform completely different?

• The two different cells become mutated

• The proteins expressed in each cell are different

• They actually have different DNA in the two types of cells.

• The genome of the different cells changes

How is the information in a DNA molecule expressed in an organism?

• through plasmids

• through RNA polymerase

• through recombinant DNA

• through proteins

When a human embryo is developing, the embryo produces a special type of hemoglobin not found in infant, child, or adult blood. Which of the following best explains how an embryo can produce a different type of hemoglobin from an infant, child, or adult?

• The embryo has different genes from the infant, child, or adult.

• Development and differentiation result in the loss of certain genes.

• Humans have genes for the different types of hemoglobin, which are expressed at different times.

• Aliens visited the human at different phases of their lives and changed them.

The process through which cells become specialized in structure and function is

• Transcription

• Gene Expression

• Differentiation 

• RNA Interference