Exam 3: Cells

Which statement is NOT true of protein synthesis?

Which of the following statements are true of cellular transport mechanisms? (Read carefully and select all of the correct statements.)

Sperm cells are produced in the ____________________ by the process of ____________________.

The cell organelles that permit sperm cells to move are ____________________.

Egg cells and sperm cells are formed by the process of ____________________.

Osmosis is defined as the ____________________ of ____________________ through a membrane.

Before mitosis can take place, what must happen?

In mitosis, the spindle fibers pull the sets of chromosomes toward the opposite poles of the cell during:

In mitosis, the centromeres of the chromatid pairs divide during ____________________.

Channels in a cell membrane are made of ____________________.

The engulfing of something by a moving cell is called:

The process of active transport is important to:

Most human cells have ____________________ (how many) chromosomes.

The natural motion of molecules provides the energy for the process of ____________________.

The term codon refers to the:

Receptor sites on cell membranes, for hormones or other molecules, are often made of ____________________.

The process of meiosis is necessary to form ____________________ cells and ____________________ cells.

Human cells that seem to be unable to undergo extensive mitosis are:

The nucleus is the regulating center of a cell because it contains the ____________________.

The proteasomes are cell organelles that: