7th Grade Science Final Exam Review - Part 2

Front

The basic building blocks from which all living organisms are made are

Back

cells

Front

Controls what goes in and out of the cell.

Back

cell membrane

Front

Which organelle belongs in plant cells only? Options: Cytoplasm, Mitochondrion, Large Central Vacuole, Cell Membrane

Back

Large Central Vacuole

Front

Beaver muscle cells have 48 chromosomes. How many chromosomes would be found in a beaver egg cell?

Back

24

Front

A guinea pig cell has 64 chromosomes. After mitosis, each daughter cell contains ___ chromosomes.

Back

64

Front

What is the function of mitochondria?

Back

to generate energy

Front

Mutation

Back

A change in the DNA sequence

Front

Where do mutations occur?

Back

DNA

Front

True or false, mutations create genetic diversity?

Back

True

Front

Are mutations sometimes helpful to the organism?

Back

true