Exam 3: Cells: the Living Units

Figure 3.1Using Figure 3.1, match the following: -What are lipid rafts? What are their functions?

Your patient has the flu and reports 5-6 loose stools a day. He has experienced an isotonic fluid volume loss. Explain what an isotonic fluid loss means.

The electron microscope has revealed that one of the components within the cell consists of pinwheel array of 9 triplets of microtubules arranged to form a hollow tube. This structure is a )

Which of the following statements is correct regarding RNA?

The most common extracellular ion is .

Which structures are fingerlike projections that greatly increase the absorbing surface of cells?

Facilitated diffusion always requires a carrier protein.

The genetic information is coded in DNA by the regular alternation of sugar and phosphate molecules.

Which of the following is NOT a function of the smooth endoplasmic reticulum?

Figure 3.1Using Figure 3.1, match the following: -Produces ATP aerobically.

Figure 3.1Using Figure 3.1, match the following: -The metabolic or growth phase of a cell life cycle is called .

Diffusion movement always occurs from areas of greater to areas of lesser concentration.

What major chemical is responsible for apoptosis?

What moves cell organelles from one location to another inside a cell?

Which of the following is not a factor that binds cells together?

Crenation (shrinking) is likely to occur in blood cells immersed in .

Figure 3.2Using Figure 3.2, match the following: -List possible causes of aging.

Ribosomes, endoplasmic reticulum, and the Golgi apparatus functionally act in sequence to synthesize and modify proteins for secretory use (export) only, never for use by the cell. This statement is _ .

Figure 3.1Using Figure 3.1, match the following: -Source of cell autolysis.

Once solid material is phagocytized and taken into a vacuole, which of the following statements best describes what happens?