Chapter 3: the Cell Quiz ?'s

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If a cell has 18 chromosomes and undergoes mitosis, how many chromosomes would each daughter cell have?

18

Cell division occurs during __________.

M phase

A cell is placed into a 3% dextrose solution. At that concentration, the solution is isotonic to the cell. If the concentration of dextrose in the solution is increased to 5%, the cell is now in __________.

a hypertonic solution

During which phase of mitosis are sister chromatids separated when the mitotic spindle fibers shorten?

anaphase

Programmed cell death is called __________.

apoptosis

Tightly coiled DNA molecules present during cell division are known as:

chromosomes

What process divides the cytosol, organelles, and proteins?

cytokinesis

Which of the following would NOT be a component of the plasma membrane?

cytoskeleton

Two types of active transport via vesicles are __________.

endocytosis and exocytosis

What is NOT one of the three main parts of a cell?

extracellular fluid

Sodium ions are moving with their concentration gradient with the use of a protein channel across a plasma membrane. Determine the type of membrane transport used to transport these sodium ions.

facilitated diffusion

Cytosol is also known as __________.

intracellular fluid (ICF)

What organelle degrades old, worn-out organelles and cell components?

lysosome

Which of the following is a function of a plasma membrane protein?

molecular transport through the membrane

Most of a cell's DNA is located in its __________.

nucleus

Molecular machines that perform specific functions for the cell are:

organelles

During which phase of the M phase of the cell cycle does the mitotic spindle form?

prophase

Active transport processes __________.

require cells to expend energy (ATP)

Carbon dioxide is a small molecule that moves through the phospholipid bilayer with its concentration gradient by __________.

simple diffusion

Microtubules are composed of protein subunits known as __________.

tubulin

Microtubules are composed of protein subunits known as:

tubulin


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