BIOD 210 Exam 3 Portage learning SUMMER 2025

1. True or False: Chromosomes are uncondensed and diffuse for only a
short time during the cell cycle.
false

2. True or False: Chromosomes are in a uncondensed, diffuse form
through most of the cell cycle.
True

3. True or False: Chromosomes are in a condensed form through most of
the cell cycle.
False

4. Match the following terms to the correct description: Nuclear
membrane, cytosol, plasma membrane, endoplasmic
reticulum, nucleus.

- Protects the cell from the outside environment – plasma membrane
- Dissolves during mitosis – nuclear membrane
- Contains all the DNA within the cell - nucleus
- Studded with ribosomes on a large surface area – endoplasmic
reticulum
- Jelly-like substance within cells - cytosol
5. During prophase, which membrane breaks down?
The nuclear membrane

6. At which cell cycle phase does the nuclear membrane break down?
Prophase

7. The genetic flow of material between organisms is NOT dependent on
which of these criteria?
a) independent assortment of the genes
b) Replication of material
c) Storage of information
d) Variation of DNA through mutation

8. The genetic flow of material between organisms is NOT dependent on
which of the following criteria
a) Replication of material

, b) Storage of information