Final Exam Review

Homeostasis is the body maintaining internal balance by adjusting the conditions inside and outside of a cell. If a cell is placed in a hypertonic solution, what will be the most likely action that will result from the body attempting to maintain homeostasis. Select all that apply.

• salt will move by active transport out of the cell.

• water will move by osmosis out of the cell.

• salt will move by osmosis out of the cell

• the cell will shrink as water moves between the environments to reach equilibrium.

What function do ribosomes have within a cell?

• Ribosomes produce ATP.

• Ribosomes synthesize proteins.

• Ribosomes contain genetic material.

• Ribosomes control what enters and exits the cell.

This organelle contains digestive enzymes that breakdown worn out cell parts__________.

• Nucleus

• Vacuole

• Lysosome

• cell wall

All organic compounds contain which element__________.

• nitrogen

• sulfur

• plutonium

• carbon

Amino acids are the building blocks for which macromolecule?

• carbohydrates

• proteins

• lipids

• sugars

Polysaccharides and Monosaccharides are examples of which macromolecule?

• carbohydrates

• lipids

• proteins

Diffusion does not require the cell to expend ATP. Therefore, diffusion is considered a type of

• endocytosis.

• active transport.

• passive transport

What is the process that uses energy to move substances across a partially permeable membrane or concentration gradient?

• diffusion

• active transport

• facilitated diffusion

• osmosis

Two processes used to maintain homeostasis by transporting substances into and out of the cell are

• diffusion and osmosis

• vesicles and transport.

• diffusion and fluidity

The waste product(s) of Photosynthesis include(s)

6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

• carbon dioxide and sugar

• water and carbon dioxide.

• carbon dioxide.

• oxygen gas