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Unit 1 & 2 ILEARN Review

Total questions: 44

Worksheet time: 38mins

Name
Class
Date
1.

Attractions between water molecules are called

a)

Covalent bonds

b)

Ionic bonds

c)

Polar bonds

d)

Hydrogen bonds

2.

What gives water so many important properties for life?

a)

adhesion and cohesion

b)

the amount of carbon in each molecule

c)

energy released exothermically

d)

hydrogen bonds give it polarity

3.

Enzymes act on

a)

products

b)

proteins

c)

amino acids

d)

substrates

4.
The building blocks of carbohydrates are?
a)
amino acids
b)
fatty acids
c)
monosaccharides 
d)
nucleotides
5.
What are the building blocks for proteins?
a)
monosaccharides 
b)
fatty acids
c)
DNA
d)
amino acids
6.

Which of the following is an example of a nucleic acid?

a)

thyroxine

b)
DNA
c)

testosterone

d)
glucose
7.

The function of nucleic acids is to

a)

transmit information

b)
disease fighting 
c)
bone building 
d)

energy storage

8.
What are the building blocks for nucleic acids?
a)
monosaccharides 
b)
amino acids
c)
nucleotides
d)
fatty acids
9.

Which of the following macromolecules is the main source of energy for living things?

a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
10.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
11.
When something is 'water fearing' it is....
a)
Hydrophobic
b)
Hydrophilic 
c)
Hydroelectric 
d)
Hydrochloric
12.
When something is 'water loving' it is.....
a)
Hydrophobic
b)
Hydrophilic 
c)
Hydroelectric 
d)
Hydroloric
13.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
14.
When water molecules stick easily to other water molecules, this is called what?
a)
cohesion
b)
adhesion
c)
solution
d)
polar molecule
15.
The tightness across the surface of water that enables paper clips to float is ____________.
a)
adhesion
b)
capillary action
c)
surface tension
d)
polarity
16.
Large bodies of water do not quickly fluctuate in temperature. Why?
a)
Water is a solvent.
b)
Water has a high heat capacity.
c)
Water acts as a buffer.
d)
Water is non-polar.
17.

Diffusion is a form of __________ transport.

a)

Passive

b)

Active

c)

Easy

d)

Free

18.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
19.

Some cells move large particles out of the cell through the process of:

a)

Protein Synthesis

b)

Endocytosis

c)

Exocytosis

d)

Cytoplasmic Streaming

20.

Particle of movement from an area of lower concentration to an area of higher concentration.

a)

Active transport

b)

Passive transport

21.

Particle of movement from an area of higher concentration to an area of lower concentration.

a)

Active transport

b)

Passive transport

22.

Which type of transport uses energy in the form of ATP to transport substances?

a)

Active transport

b)

Passive transport

23.

Which type of transport does not use energy to transport substances?

a)

Active transport

b)

Passive transport

24.

Which type of passive transport uses transport proteins to transport items such as glucose through the membrane?

a)

Facilitated diffusion

b)

Osmosis

c)

Diffusion

25.

Which type of solution has the same solute concentration inside of and outside of the cell?

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

26.

The cell shrunk in size, which means it was placed in a ____ solution.

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

27.

The cell expanded in size to the point of lysing (bursting), which means it was placed in a ____ solution.

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

28.

The cell shows water moving in and out equally, which means it was placed in a ___ solution.

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

29.

The cell membrane is a

a)

carbohydrate bilayer

b)

phopholipid bilayer

c)

protein bilayer

30.

Facilitated diffusion is the movement of a charged or polar molecule through ______ from high concentration to low concentration

a)

the phospholipid bilayer

b)

a protein channel

31.
What organelle is associated with the production of proteins?
a)
nucleus
b)
ribosome
c)
mitochondria
d)
cell membrane
32.
What organelle is responsible for energy production?
a)
nucleus
b)
mitochondria
c)
ribosome
d)
cell membrane
33.
What organelle is also known as the "gate keeper"?
a)
nucleus
b)
mitochondria
c)
ribosome
d)
cell membrane
34.
Name the prokaryote?
a)
animal cell
b)
plant cell
c)
bacteria
d)
fungi cell
35.
Chloroplasts in plant cells are where this process takes place.
a)
cellular respiration
b)
photosynthesis
c)
protein production
d)
glycolysis 
36.

Basic unit of all forms of life

a)

Cell

b)

Nucleus

c)

Prokaryote

d)

Eukaryote

37.

Structure that contains the cell's genetic material in the form of DNA

a)

Vacuole

b)

Nucleolus

c)

Nucleus

d)

Ribosome

38.

Cell organelle that stores materials such as water, salts, proteins, and carbohydrates

a)

Centriole

b)

Vacuole

c)

Ribosome

d)

Lysosome

39.

Cell organelle that breaks down lipids, carbohydrates, and proteins into small molecules that can be used by the rest of the cell

a)

Vacuole

b)

Chloroplast

c)

Lysosome

d)

Golgi apparatus

40.

Network of protein filaments in a eukaryotic cell that gives the cell its shape and internal organization and is involved in movement

a)

Cytoskeleton

b)

Golgi apparatus

c)

Ribosome

d)

Endoplasmic reticulum

41.

Organelle in cells that modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or release outside the cell

a)

Golgi apparatus

b)

Ribosome

c)

Vacuole

d)

Lysosome

42.

Strong, supporting layer around the cell membrane in some cells

a)

Cytoskeleton

b)

Cytoplasm

c)

Cell wall

d)

Nucleus

43.

......is important in the creation and storage of lipids and steroids.

a)

Smooth ER

b)

Rough ER

c)

Lysosome

d)

Mitochondria

44.

Rough ER are found in the cells which are actively synthesizing..

a)

Lipids

b)

Cholesterol

c)

Proteins

d)

Nucleic acids

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