Exam 3: Cells

Facilitated diffusion moves a substance following its concentration gradient, with the aid of a carrier protein.

A telomere is a type of hormone that controls the cell cycle.

Mitosis occurs in ________ cells.

ATP is used to power many cellular processes. Some genetic disorders are the result of defects in ATP creation. Which organelle is likely affected in these disorders?

Some types of active transport use energy provided by ATP molecules.

A partly specialized cell that is the daughter of a stem cell is a(n)  ________ cell.

Following the nomenclature for cells, what type of cells take in solid particles like bacteria?

Chloride ions follow the concentration gradient, but require a membrane protein for passage. Which transport method is occurring?

During anaphase of mitosis, centromeres separate and replicated chromosomes separate.

Energy is stored in ATP molecules in ribosomes.

The sequence of organelles and cell parts involved in milk secretion is

The body is made up of many different cell types, from small circular red blood cells to the elongated smooth muscle cells 20X its size. Why is there such variation in size and shape?

A cell undergoing ________ loses its shape, forms bubble, and falls apart.

The main function of cristae in mitochondria is to

Proteins are manufactured in mitochondria.

If cells placed in a solution shrivel up, the solution is ________.

When there is a surplus of dietary carbohydrates, they are converted to lipids through lipogenesis. Where are they synthesized?

A cell that secretes abundant proteins would have many nucleoli.

Apoptosis is a slow version of mitosis.

A cell is surrounded by an extremely thin, flexible membrane. Why is the membrane selectively permeable?