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WorksheetsInteracting Systems, Repair and Regenerate
Total questions: 38
Worksheet time: 20mins
How many cells result from mitosis?
1
2
3
4
If there are 8 chromosomes before mitosis, after mitosis there will be __ chromosomes.
8
4
2
16
DNA is replicated ___ mitosis.
during
after
before
Which phase do the sister chromatids separate?
Metaphase
Anaphase
Prophase
Telophase
Which phase do chromosomes line up along the equator?
Metaphase
Anaphase
Prophase
Telophase
In mitosis, the two resulting cells are
different from the starting cell and identical to each other.
different from the starting cell and different from each other.
identical to the starting cell and different from each other.
identical to the starting cell and identical to each other.
Name the levels of organization in the human body in order from smallest to largest:
Tissue, organ, organ system
Organ system, tissue, organs, cells
Cells, tissue, organs, organ system
Cells , organs, tissue, organ system
Homeostasis in the human body is often maintained by a:
the brain only
solar feedback loop
the muscles
negative feedback loop
Homeostasis:
allows for a wildly fluctuating internal environment
is impossible in vertebrates
is the maintenance of a relatively stable internal environment
is the maintenance of a relatively stable external environment
Why is it important for the circulatory system and respiratory system to work together?
To supply the body cells with oxygen
To remove carbon dioxide
To facilitate gas exchange
All of the options
Tissue that works together to perform a function
organ
cell
organ system
organism
The smallest level of organization of life in an organism
organ
cell
organ system
tissue
What level of organization is represented in the visual?
organ
cell
organ system
organism
One action of homeostasis - your body is too hot. What senses your body temperature?
nerve cells
skin cells
muscle cells
liver cells
One action of homeostasis - When your bladder is full, a signal is sent to your brain to let you know to go to the bathroom.
What is the cause / stimulus?
the signal
full bladder
going to the bathroom
your brain
Stem cells are...
unspecialized cells.
unique from each other.
the master cells of the body.
the preface to all other cells.
Which best explains why muscle cells are different from blood cells?
Muscle cells are produced by the brain, but blood cells are produced by the heart.
Different genes are activated in muscle cells than in blood cells.
Muscles cells experience different environmental influences than blood cells.
A mutation occurs during the development of muscle cells but not in blood cells.
Cancer is...
a premature stop in the cell cycle.
uncontrolled mitosis.
programmed cell death.
How many chromosomes are in each human body/somatic cell?
64
46
23
12
What is cell differentiation?
Process by which cells produce more cells
Process by which cells become specialized
Process by which cells become unspecialized
Process by which cells die
Mitosis is also referred to as...
cellular multiplication
cellular subtraction
cellular addition
cellular division
Stem cells can be obtained from _________.
embryos
some adult tissues
umbilical cord blood
all of these options
What is one goal of cellular differentiation/specialization?
To create specialized cells to help organism maintain homeostasis.
To produce many cells.
To make stem cells
to make single celled organisms
What is the goal of mitosis?
Repair
Grow
Develop
Cancer
Stem cell research is controversial because in involves?
social issues
ethical issues
educational issues
economical issues
Why are scientists interested in studying stem cells?
They never die.
They come from the brain stem.
They can be transplanted into monkeys.
They can become any type of cell.
If you are running or doing any strenuous exercise for a few minutes, what will happen to your pulse rate?
it will double
it will increase
it will decrease
it will decrease
Which organ in the circulatory system also belongs to the muscular system?
vein
lungs
heart
trachea
The mouth brings in food for the ___ system but can also bring in oxygen for the ___ system.
respiratory; muscular
muscular; circulatory
digestive; circulatory
digestive; respiratory
Zebrafish use __ to regenerate __ of a damaged organ.
cellular differentiation; all
cellular differentiation; a portion
mitosis; all
mitosis; a portion
Organism development scientist study zebrafish because they are
transparent.
able to go from one fertilized to an organism in about 4 days.
able to reproduce over 1,000 eggs.
tiny and cute.
Do specialized cells work together to maintain order in a multicellular organism?
Yes
No
It depends on the organism
What does the prefix 'pro-' mean?
before; begin
apart; away
far; distance
in between
middle
What does the prefix 'ana-' mean?
before; begin
apart; away
far; distance
in between
middle
What does the prefix 'meta-' mean?
before; begin
apart; away
far; distance
in between
middle
What does the prefix 'telo-' mean?
before; begin
apart; away
far; distance
in between
middle
What does the prefix 'inter-' mean?
before; begin
apart; away
far; distance
in between
middle
Which prefix means to do again?
re-
de-
di-
gen-
