Unit 1 (Final Review)

Draw the Bohr model for Nitrogen.

______ bonds are characterized by a transfer of electrons from one atom to another.

Define homeostasis

Which organelle would you expect to be abundant in phagocytic white blood cells?

• lysosomes

• mitochondria

• ribosomes

• nuclei

• centrioles

Which type of cellular transport does not require a transport protein?

• Facilitated diffusion

• Simple diffusion

• Active transport

• Secondary active transport

Briefly describe cellular respiration

Draw a phospholipid with the polar region in orange and the nonpolar region in blue.

Which tissue type connects, supports, and protects?

• epithelial tissue

• connective tissue

• muscle tissue

• nervous tissue

The _______ contains both dead and living cells to create a tough, waterproof barrier.

Which of the following are functions of the integumentary system? Check all that apply.

• Thermoregulation

• Gas exchange

• Sensory perception

• Mineral storage

• Protection from the external environment