C.A.#2 Review Quiz

This picture shows movement of molecules across a cell membrane. Which two processes does this diagram most directly model?

• Energy conversion and synthesis of new molecules.

• Synthesis of new molecules and homeostasis.

• Transport of molecules and energy conversions.

• Homeostasis and transport of molecules

Which statement best explains the function of the vesicles?

• Delivering packaged materials to the Golgi for protein synthesis

• Exchanging genetic information between the Golgi apparatuses of separate cells

• Extracting portions of the Golgi apparatus to be regenerated for growth within the cell

• Transporting packaged molecules from the Golgi apparatus to be released out of the cell.

Which molecule synthesized in the chloroplast is a major source of energy for plants and animals?

• Glucose

• DNA

• Chlorophyll

• Protein

A few drops of iodine solution placed in a beaker of water. a length of dialysis tubing containing starch was dropped into the beaker. After a few minutes the starch solution inside the bag turned black indicating that iodine and entered. What cellular structure was the dialysis tubing most likely representing in this experiment?

• Cell wall

• Cell membrane

• Vacuole

• Nucleus

Which cellular process would be affected if this organelle were not functioning?

• Cellular respiration ( making ATP)

• Photosynthesis ( making carbohydrates)

• Movement across the membrane.

• DNA would not be produced.

Diffusion and osmosis are both vital to cell function. Diffusion and osmosis are similar in that they are both types of....

• Passive transport process

• Active transport processes

• Cellular respiration processes

• Cellular metabolism processes

Identify this structure and it's process.

• Mitochondria; cellular respiration

• Chloroplast; photosynthesis

• Ribosome; protein synthesis

• Smooth ER; phospholipids

If a cell having a interior water concentration of 60% were placed into a beaker of water with a 40% concentration of water, what would happen?

• Water would enter the cell by osmosis

• Water would exit the cell by osmosis

• Water would enter the cell by the process of endocytosis

• Water would exit the cell using active transport

The energy in the bonds of glucose are transferred to the bonds in ATP. Where does this take place?

• Mitochondria

• Chloroplast

• Golgi body

• Nucleus

A scientist notices that negatively charged particles are moved across the cell membrane through a protein. She notes that the protein did not use energy. Which of the following best explains the type of transport used?

• Active transport because particles were being moved against their gradient.

• Facilitated diffusion because the proteins were not using any energy.

• Osmosis because the molecules were moving against the concentration gradient.

• Simple diffusion because particles were being moved against their concentration gradient.