Biology Midterm Exam (Cell Cycle, DNA, Homeostasis)

What are the characteristics of life?

What is the difference between abiotic and biotic factors? Give an example of each.

Write the name of each biological level next to the arrow on the diagram (above right).

List four organelles that are exclusive to eukaryotic cells.

Why is the membrane a big deal for homeostasis?

How do water molecules most efficiently move through the cell membrane?

In regard to concentration, how do water molecules move through the membrane?

Label each solution in the tonicity diagram as hypertonic, isotonic, or hypotonic.

c

a

b

Hypertonic

Isotonic

Hypotonic

How many chromosomes do human have?

How many chromosomes do you receive from each parent?