Cells

Which molecules make up proteins?

• Amino Acids

• Nucleic Acids

• Phospholipids

• Carbohydrates

Charissia drew the following diagram to describe the structural organization of an animal's body. She will list the cell as both the least specialized and the most numerous at the bottom of the pyramid. Which of the following should she list in level 3 of the diagram below?

• Organ

• Tissue

• Organism

• Organ System

A student is studying the levels of organization in living things, and creates the following table (below) to give examples of the different levels. Which of the following should the student write as an example of the "organism" level of organization?

• Human

• Stomach

• Connective Tissue

• Food, Water, Air

Some organisms consist of one cell. Other organisms consist of multiple cells. Which of the following is true of cells in a multicellular organism?

• All cells have the same function

• Every cell has a different function

• Different types of cells have the same function

• Different types of cells have different functions

Even when it is cold outside, the human body maintains an internal temperature of 37 degrees Celsius. Which term describes the maintenance of a stable internal condition?

• Endocytosis

• Homeostasis

• Mitosis

• Photosynthesis

Eukaryotic cells undergo mitosis as part of the cell cycle. What does a cell produce as a result of mitosis?

• two cells with the same genetic information

• two cells that are larger than the original cell

• two cells with genetic material that is different from the original cell

• two cells that no longer participate in the stages of the cell cycle

Which of the following is an example of how homeostasis can cause an organism to change its behavior?

• A tree loses its leaves in winter

• A bear hibernates during the winter

• A human shivers when exposed to cold weather

• Organisms do not change their behavior because of homeostasis

What is a difference between eukaryotic cells and prokaryotic cells?

• Only prokaryotic cells have cytoplasm

• Only eukaryotic cells have a cell membrane

• Only prokaryotic cells have genetic material

• Only eukaryotic cells have membrane-bound organelles

The functions of individual cells and the functions of multicellular organisms are similar. The table below identifies some of the functions of cells and the organ systems that perform these functions in multicellular organisms. Which of the following organelles has a similar function to the excretory system?

• Nucleus

• Lysosomes

• Mitochondrion

• Golgi Complex

Which of the following cell structures forms a barrier between the cell and the environment in plant cells, but not in animal cells?

• DNA

• Nucleus

• Cell Wall

• Ribosomes