Exam 3: Cells

What is endoplasmic reticulum?

Mitochondria manufacture proteins.

What is the process called by which glucose can pass through a membrane using special carrier proteins?

Nuclear pores are channels composed of tubulin, a protein that also forms microfilaments.

A lysosome is an example of a cellular organelle.

What are clusters of ribosomes in the cytoplasm called?

Too infrequent cell division can lead to cancer, whereas too frequent cell division can delay wound healing.

If impermeant solutes are present in greater concentration in intracellular fluid, which statement is true?

The final stage of mitosis is __________.

What process is used to move sodium ions from an area of relatively low concentration inside a cell to an area of higher concentration outside the cell?

How many times do most types of human cells divide?

G ₁, S, and G ₂ are phases that occur during ____________.

What forms the rods and tubules of the cytoskeleton?

Centromeres pull apart during what phase of the cell cycle?

Most cells contain only the parts of DNA necessary to perform the cell's specific functions.

In osmosis, water diffuses down its concentration gradient.

What cell would have a flagellum?

What structures form a centrosome?

What could explain a rapidly growing cancerous mass that doubles in size in a month?

What organelle is built of microtubules and fringes the free surfaces of some cells?