Mi and Microarray

Which of the following monomers are repeatedly joined together to form a strand of DNA?

• amino acids

• nucleotides

• fatty acids

• polysaccharides

The drawing shows the structure of what molecule?

• DNA molecule

• lipid molecule

• carbohydrate molecule

• protein molecule

Tags

NGSS.HS-LS1-1

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

Tags

NGSS.HS-LS1-1

Which of the following techniques is primarily used to measure the expression levels of large numbers of genes simultaneously?

• Polymerase Chain Reaction (PCR)

• Western Blotting

• Microarray

• Gel Electrophoresis

What is the main advantage of using microarrays in gene expression studies?

• They can analyze a single gene at a time

• They require a large amount of RNA

• They allow for the analysis of thousands of genes simultaneously

• They are less expensive than other methods

In a microarray experiment, what does a red spot typically indicate?

• Gene is not expressed

• Gene is under-expressed

• Gene is over-expressed

• Gene expression is unchanged

Which of the following is a common application of microarray technology?

• Determining protein structure

• Identifying gene mutations

• Measuring gene expression

• Sequencing DNA

What is the role of fluorescent dyes in microarray experiments?

• To stain the DNA

• To label the RNA samples

• To enhance the resolution of the microarray

• To bind to proteins

Which of the following best describes a microarray?

• A tool for amplifying DNA

• A method for sequencing RNA

• A collection of microscopic DNA spots attached to a solid surface

• A technique for measuring protein levels

How are microarrays used in cancer research?

• To sequence cancer genomes

• To identify gene expression patterns associated with cancer

• To measure the size of tumors

• To detect cancer cells in blood samples

Tags

NGSS.HS-LS3-2