Biology Final 23-24

What does bio- mean?

• Life

• Study of

• Chemistry of Life

• All of the above

Which of the following defines homeostasis:

• Maintaining an environment

• Maintaining a time

• Maintaining an ecosystem

• Maintaining a stable internal environment

What is the smallest unit of life?

• Atom

• Cell

• Nucleus

• Bacteria

What is the charge of electrons?

• Negative

• Positive

• Neutral

• No charge

What is Carbon's (C) atomic number?

• 6

• 10

• 14

• 24

What is Boron's (B) atomic mass?

• 15

• 17

• 10

• 36

What is the charge of a cation?

• PAWsitive

• Negative

What is the charge of an anion?

• PAWsitive

• Negative

What is the weakest type of bond?

• Ionic

• Covalent

• Hydrogen

What is the pH scale used for?

• To measure acidic solutions

• To measure basic soultions

• To measure neutral solutions

• All of the above