True or False: Chromosomes are in a condensed form through
most of the cell cycle.
True
Corrrreecctt!! False
Question 2 10 / 10 pts
Match the following each of the following terms with the correct
description.
Pla
...
True or False: Chromosomes are in a condensed form through
most of the cell cycle.
True
Corrrreecctt!! False
Question 2 10 / 10 pts
Match the following each of the following terms with the correct
description.
Plasma Membrane Protects the cell from the outside environment Corrrreecctt!!
Nuclear Membrane Dissolves during mitosis Corrrreecctt!!
Nucleus Contains all of the DNA within a cell Corrrreecctt!!
Endoplasmic Reticulum
(ER)
Studded with ribosomes on a large surface area Corrrreecctt!!
Cytosol Jelly-like substance within cells Corrrreecctt!!
Question 3 2 / 2 pts
Which of the following is correct?
Sister chromatids are not held together.
Corrrreecctt!! Centrioles are responsible for the formation of spindle fibers.
In metaphase, centromeres disperse throughout the nucleus.
All are correct.
Question 4 0 / 2 pts
At which cell cycle phase does the nuclear membrane break
down?
Corrrreecctt Anssweerr Prophase
Anaphase
You Anssweerreed Telophase
Interphase
Question 5 2 / 2 pts
The genetic flow of material between organisms is NOT
dependent on which of these criteria?
Replication of the material
Corrrreecctt!! Independent assortment of the genes
Storage of the information
Variation of DNA through mutation
Question 6 6 / 6 pts
Your Answer:
Fill in the blanks:
DNA is condensed within the nucleus (cellular compartment) by
coiling around ____(1)____ proteins. Modification of these
____(2)____charged proteins alters them to become either neutral
or negatively charged. Thus, the interaction with
____(3)____charged DNA is interrupted, and the interactions
loosen.
histones
positive
negative
1. histone
2. positively
3. negatively
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