Test #4

A clone is a

• not possible

• identical copy of its parent.

The environment can affect how genes are expressed.

• True

• False

If you wanted to clone you (human), what thing would you NOT need?

• A pure sample of your DNA.

• Governmental permission.

• A monkey's egg free of DNA.

• A human egg that is free of DNA.

What is found inside each and everyone of the cells in your body...

• the section of DNA needed only to make that cell.

• all of your DNA.

If all DNA is found in every one of our cells, how does each cell have a different function?

• Cells only contain the DNA that they need to do their programmed task.

• Each cell turns off the genes they need when they are not using them.

• Each cell uses only the portion of the DNA needed to perform their tasks and turns the other DNA off.

What is meant by gene regulation?

• the ability to turn genes on and off

• the specialization of cells to complete different tasks within an organism

• the way to copy DNA

What is the monomer unit for a nucleic acid?

• amino acid

• monosaccharide

• nucleotide

• phosphate

What are the three parts of a single nucleotide?

• sugar, base and adenine

• sugar, phosphate and base

• sugar, acid and base

• sugar, phosphate and acid

What is a mutation? (Select 2)

• When an organism grows too many arms or legs.

• When base pairs are rearranged.

• When base pairs get mismatched.

• When an organism is infertile.

What holds the bases together?

• phosphate bonds

• hydrogen bonds

• peanut butter