What do you remember about mutations? For the following, place an “X” if it is a true statement.

Mutations are random.
Mutations are most beneficial and useful for an organism.
Mutations can occur in both DNA and RNA.
Mutations can only occur during interphase.
Not all DNA codes for proteins.
Not all genes are “turned on” or activated.
Substitution mutations typically result in a frameshift.

Mutations can be genetically inherited.

In which of the following relationships is one organism always benefited while the other organism is always harmed

What part of the body contains bile, an enzyme that break down lipids?

Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.