NEW
Font size
S
M
L
XL
Worksheets2nd Half Final Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What are the arrows pointing to in this picture?
a)
Homologous Chromsomes
b)
Homologous Chromatids
c)
Sister Chromsomes
d)
Sister Chromatids
2.
What are cancer cells?
a)
Cells that don't respond to regular signals and infect other cells
b)
Cells that receive unlimited signals to divide
c)
Cells that don't respond to regular signals and commit apoptosis
d)
Cells that don't respond to regular signals and divide uncontrollably
3.
What does DNA polymerase do?
a)
"builds" a new strand of DNA by adding nucleotides
b)
"unzips" the 2 strands of DNA
c)
"glues" together the nucleotides to make a new strand of DNA
d)
Acts as a starting point
4.
What order does the cell cycle go in?
a)
G1 --> G2 --> M --> S
b)
G1 --> G2 --> S --> M
c)
G1 --> S --> G2 --> M
d)
G1 --> M --> G2 --> S
5.
What is the product of photosynthesis?
a)
glucose, oxygen
b)
water, carbon dioxide, energy
c)
water, oxygen, energy
d)
glucose, carbon dioxide
6.
What does helicase do?
a)
"builds" a new strand of DNA by adding nucleotides
b)
"unzips" the 2 strands of DNA
c)
"glues" together the nucleotides to make a new strand of DNA
d)
Acts as a starting point
7.
What happens in S phase?
a)
DNA is copied
b)
Chromosomes are split into 2 cells
c)
DNA is proofread
d)
The cell divides
8.
Why don't red blood cells have DNA?
a)
They don't need it
b)
They lack a nucleus
c)
They have it, it's just super small
d)
I don't know
9.
What is needed for photosynthesis?
a)
glucose, oxygen
b)
water, carbon dioxide, energy
c)
water, oxygen, energy
d)
glucose, carbon dioxide
10.
What are chromosomes?
a)
A tightly packed and organized structure that contains mostly RNA
b)
A coiled up piece of string
c)
A tightly packed and organized structure that contains mostly DNA
d)
A treatment for cancer cells
11.
What does ligase do?
a)
"builds" a new strand of DNA by adding nucleotides
b)
"unzips" the 2 strands of DNA
c)
"glues" together the nucleotides to make a new strand of DNA
d)
Acts as a starting point
12.
How does chemotherapy kill cancer cells?
a)
It strengthens the immune system to detect cancer cells
b)
It looks for cells that emit radiation
c)
It kills all cells and some cancer cells in the process
d)
It targets cells that divide rapidly and kills them
13.
What is the name of the sugar used in cellular respiration?
a)
Sucrose
b)
Glucose
c)
Fructose
d)
Lactose
14.
What is the product of cellular respiration?
a)
glucose, oxygen
b)
water, carbon dioxide, energy
c)
water, oxygen, energy
d)
glucose, carbon dioxide
15.
How can cells regulate out of control cell division?
a)
They can't, only humans can with medicine
b)
Checkpoints in the cell cycle
c)
There is a special organelle that is in charge of cell division
d)
Making sure RNA is not damaged
16.
Why do chemotherapy drugs have side effects?
a)
They kill all dividing cells, even healthy ones
b)
Cancer cells explode and take out healthy cells with them when they are targeted
c)
They can get trapped in your brain which sends out mixed signals
d)
They can damage DNA
17.
Why do animals have 2 copies of DNA?
a)
So genes can be passed down and in case the other copy is damaged
b)
2 copies of DNA is necessary for life
c)
So cells can divide
d)
In case a cell loses one and so we have twice as much information to pass down
18.
Which organelle is responsible for making energy?
a)
Chloroplasts
b)
Mitochondria
c)
Nucleus
d)
Rough ER
19.
What does primase do?
a)
"builds" a new strand of DNA by adding nucleotides
b)
"unzips" the 2 strands of DNA
c)
"glues" together the nucleotides to make a new strand of DNA
d)
Acts as a starting point
20.
What is needed for cellular respiration?
a)
glucose, oxygen
b)
water, carbon dioxide, energy
c)
water, oxygen, energy
d)
glucose, carbon dioxide
Reset
