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Unit 1: Origins of Life Review

Total questions: 35

Worksheet time: 43mins

Name
Class
Date
1.

What is the term for the smallest unit of life?

a)

cell

b)

tissue

c)

organ

d)

organ system

2.

Which of the following shows the order from simplest to most complex?

a)

organelle -> cells->tissue->organs->organ systems-> organism

b)

tissue->cells->organelle -> organs->organ systems-> organism

c)

organelle -> organs->organ systems-> organism->cells->tissue

d)

organism -> organ systems -> organs -> tissues -> cells -> organelle

3.

Which of the following shows the order from most complex to least complex?

a)

Organelle -> cells->tissue->organs->organ systems-> organism

b)

tissue->cells->organs->organ systems-> organism

c)

organs->organ systems-> organism->cells->tissue

d)

organism -> organ systems -> organs -> tissues -> cells -> organelles

4.

makes proteins from amino acids

a)

ribosomes

b)

mitochondria

c)

nucleus

d)

lysosome

5.

breaks down glucose to produce energy (ATP) during cellular respiration

a)

mitochondria

b)

nucleus

c)

cytoplasm

d)

chloroplast

6.

contains DNA, which has the information on how to make the cell's proteins

control center for the cell

a)

nucleus

b)

lysosome

c)

mitochondria

d)

endoplasmic reticulum

7.
Is a small structure that does a certain job in a cell.
a)
organelle
b)
cell membrane
c)
cytoplasm
d)
organism
8.
I make proteins for the cell. What am I?
a)
ribosome
b)
mitochondria
c)
chloroplast
d)
lysosome
9.

What is this cell structure?

a)

Mitochondria

b)

Ribosome

c)

Chloroplast

d)

Nucleus

e)

Vacuole

10.

A jellylike substance that transports materials in the cell

a)

vacuoule

b)

nucleus

c)

cytoplasm

d)

ectoplasm

11.

What is the function of cell membrane ?

a)

responsible for making proteins

b)

responsible for storage

c)

responsible for materials going in and out of cell

d)

responsible for DNA

12.
Why doesn't a animal cell have a chloroplast?
a)
because it doesn't make its own food
b)
because it eats other people
13.
Storage of food, water, wastes, and enzymes.
a)
Vacuole
b)
Mitochondria
c)
Cell Membrane
d)
Cytoplasm
14.
Controls what enters and leaves the cell
a)
Cell Membrane
b)
Ribosome
c)
Chloroplast
d)
Vacuole
15.
Homeostasis
a)
allows for a wildly fluctuating internal environment
b)
is impossible in vertebrates
c)
is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
d)
is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation
16.

What hormone is produced in the pancreas that lowers blood sugar?

a)

Insulin

b)

Glucagon

c)

Ketones

d)

Glucose

17.

Which is not one of the ways the body maintain homeostasis?

a)

uses energy

b)

noticing changes in the body

c)

changing or making chemical compounds

d)

pulling blankets over yourself when it is cold at night

18.
How do lipids function for cells?
a)
store information
b)
store energy
c)
breakdown wastes
d)
join with substrates
19.
This molecules is a
a)
amino acid
b)
nucleic acid
c)
carbohydrate
d)
lipid
20.

Which of the following is a lipid?

a)

lard (animal fat)

b)

cellulose

c)

glucose

d)

protein

21.

Identify the structure for "A"

a)

Nucleus

b)

Cell membrane

c)

Mitochondria

d)

Vacuole

22.

Identify the structure for "B"

a)

Nucleus

b)

Cell membrane

c)

Mitochondria

d)

Vacuole

23.

Identify the function for "A"

a)

stores genetic information

b)

transports materials in and out

c)

makes ATP (energy)

d)

Storage of waste

24.

Identify the structure for "C"

a)

Nucleus

b)

Cell membrane

c)

Mitochondria

d)

Vacuole

25.

Identify the function for "C"

a)

stores genetic information

b)

transports materials in and out

c)

releases energy

d)

Storage of waste

26.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

27.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
28.
Each enzyme only has 1 substrate that will fit its active site.  What is this called?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
29.
After the enzyme and substrate bind together and perform the reaction, what does the substrate become?
a)
a substrate
b)
an enzyme
c)
a product
d)
an active site
30.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
31.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
32.
Based on the graph, what is the optimal temperature for this enzyme? 
a)
15oC
b)
40oC
c)
30oC
d)
35oC
33.
The area that the substrate fits into on the enzyme is called the:
a)
Active Site
b)
Allosteric Site
c)
DiSulphide Bridge
d)
β-Pleated Sheet
34.

What is structure "A"

a)

an inorganic substance

b)

a chemical

c)

ribosome

d)

a receptor molecule

35.

What is structure "B"

a)

an inorganic substance

b)

a chemical

c)

ribosome

d)

a receptor molecule

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