The function of the Smooth ER is

Synthesis of lipids (cellular workbench)

If the movement of a substance across a membrane is passive it:

moves with the concentration gradient

Cell membrane receptors

Identify specific chemical messangers

Osmosis is the movement of water from a region of:

low to high solute concentration

One difference between prokaryotes and eukaryotes is:

Eukaryotes have membrane bound organelles

Structures within a cell that perform specific functions

The function of the Mitochondria is:

Produce energy (Cellular Power station)

If a blood cell bursts (lyses) it is possible that:

has lost the ability to remove salt from the inside

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Stage 1 cells

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A quiz about cells

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Questions 25

Answers

1
Solvent
is always salt
causes substances to dissolve
causes substances to dissolve
is always water
2
The fluid Mosaic model is the model used to describe:
Cytoplasm
Enzyme action
Cell wall
Cell Membrane
3
The efficiency of the movement of substances across a membrane is increased by:
high SA:V
low SA:V
phospholipids
A decrease in temperature
4
The following picture represents
Cell membrane
Nucleus
Endoplasmic reticulum
Golgi apparatus/body
5
The energy store within animals is
glycogen
glucose
cellulose
starch
6
A plant cell wall is made of:
Phospholipids
Cellulose
Peptidoglycan
nucleotides
7
The function of the Smooth ER is
the site of cellular party time
protein synthesis
Synthesis of lipids (cellular workbench)
secretion of cell products
8
The Stage 1 mid year Biology exam is in week:
6
7
5
8
9
If the movement of a substance across a membrane is passive it:
moves against a concentration gradient
Requires a protein to facilitate its passage
moves with the concentration gradient
requires energy
10
Cell membrane receptors
Identify specific chemical messangers
Can receive messages from any molecule
Only occur on brain cells
cause the cell to lyse
11
Cells that have a cell wall are:
Animal cells
animals and plant cells
plant cells
virus'
12
Osmosis is the movement of water from a region of:
High to low solute concentration
hydrophilia to hydrophobia
low to high solvent concentration
low to high solute concentration
13
The most basic unit of life is a:
Atom
Virus
Molecule
Cell
14
Prokaryotes are:
Multicellular
Unicellular
macrocellular
Polycellular
15
Which of the following processes require energy?
Endocytosis
all of the above
facilitated diffusion
Diffusion
16
What makes rough ER rough?
Cell debris
carbohydrates
scales
Ribosomes
17
The organelle where photosynthesis occurs is:
chlorophyll
Rough Endoplasmic reticulum
Leaf
chloroplast
18
The passive movement of a substance across a membrane aided by a protein
exocytosis
facillitated diffusion
diffusion
active transport
19
The cell membrane:
is composed of lipids
all of the above
Is composed of proteins
Is dynamic
20
One difference between prokaryotes and eukaryotes is:
eukaryotes have circular DNA
Eukaryotes have membrane bound organelles
Prokaryotes have no genetic material
Prokaryotes have a well defined nucleus
21
The function of the cell membrane is:
receive chemical messages
to control the movement of substances in and out of the cell
All of the above
maintain the identity of the cell
22
What are organelles?
Chemical messengers
Structures within a cell that perform specific functions
Musical instruments
Deformed organs
23
The organelle that protects genetic material, hence directs cell activities is:
Nucleus
Brain
Cell Membrane
Mitochondria
24
The function of the Mitochondria is:
to direct cell activities
Produce energy (Cellular Power station)
to facilitate photosynthesis
digest cell waste
25
If a blood cell bursts (lyses) it is possible that:
it spontaneously combusted
it can repair itself
has lost the ability to remove salt from the inside
the concentration of salt on the outside was greater

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