In which part of a cell
are genes found?
What is a ‘gene’?
What are the 2 types
of protein?
Give an example of
each.
What are
chromosomes?
How many chromosomes
do human gametes
contain?
Define: allele
Define: Homozygous
Define: Heterozygous
Bicester Community College
Science Department
Genes are instructions
for a cell that describe
how to make proteins
Very long DNA
molecules in the
nuclei of cells
The nucleus
Proteins may be
structural (e.g. collagen)
or functional (e.g.
enzymes such as
amylase)
Different versions of
the same gene
23
Two alleles that are
different
Two alleles that are the
same
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Science Department
If a person has XY
chromosomes, are they
male or female?
What causes
Huntington’s disease?
What are the
symptoms of
Huntington’s disease?
What causes cystic
fibrosis?
What are the
symptoms of cystic
fibrosis?
Are antibiotics
effective against
viruses?
Why might drugs be
tested on healthy
people?
In humans, what do
receptors do?
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Science Department
A faulty dominant allele
Male
Late onset, tremor,
A faulty recessive allele clumsiness, memory loss,
inability to
concentrate, mood
changes
No
Detect changes in the
environment
Thick mucus, difficulty
breathing, chest
infections, difficulty in
digesting
food
To test for safety
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Science Department
In humans, what do
effectors do?
By what process do
plants produce glucose?
How long ago did life
on earth begin?
Is air an element,
mixture or compound?
What is the most
abundant gas in the
atmosphere?
What % of the Earth’s
atmosphere is oxygen?
What % of the Earth’s
atmosphere is argon?
What element is coal
mainly comprised of?
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Science Department
Photosynthesis
Produce a response to a
change in the environment
Mixture
3500 million years ago
21
Nitrogen
Carbon
1
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Science Department
What elements do
hydrocarbons contain?
Give 3 examples of
hydrocarbons
Give 3 examples of
materials obtained
from living things.
Give an example of a
synthetic material.
What is crude oil?
Where can we get salt
from?
Give 2 examples of new
materials that have
replaced those used in
the past.
What could eating too
much salt do to your
health?
Bicester Community College
Science Department
Petrol, diesel, fuel oil
Hydrogen and carbon
Plastic
Cotton, paper, wool
Fur and leather have been
replaced by synthetic
polymers, wood is often
replaced by plastics, paper
bags are replaced by
plastic.
Unrefined oil that is separated
into fractions of different boiling
points, to produce fuels,
lubricants and the raw materials
for chemical synthesis
Raise blood pressure
potentially leading to
heart disease of stroke.
From the sea or from
underground salt
deposits
Bicester Community College
Science Department
Give 3 uses of alkalis.
What are 2 traditional
sources of alkalis?
Are soluble hydroxides
acid or alkali?
Are soluble carbonates
acid or alkali?
Give 2 uses of chlorine.
How do we obtain
chlorine?
What elements does
PVC contain?
How many planets are
in the solar system?
Bicester Community College
Science Department
Burnt wood or stale
urine
To neutralise acid soils,
make chemicals that bind
natural dyes to cloth,
convert fats and oils into
soap and to manufacture
glass
Alkali
Alkali
Electrolysis of salt
solution
To kill microorganisms in
domestic water supplies
and as a bleach
8
Carbon, hydrogen and
chlorine
Bicester Community College
Science Department
What galaxy is the sun
part of?
What is the speed of
light in a vacuum?
What is a light year?
How did the Universe
begin?
How far do seafloors
spread in a year?
Are P-waves
longitudinal or
transverse?
Are S waves
longitudinal or
transverse?
Can P-waves travel
through
1. Solids?
2. Liquids?
Bicester Community College
Science Department
300,000 km/s
The Milky Way
With a ‘big bang’ about
14 thousand million years
ago
The distance travelled
by light in a year
Longitudinal
A few cm
1.
2.
Yes
Yes
Transverse
Bicester Community College
Science Department
Can S-waves travel
through
1. Solids?
2. Liquids?
What is the unit for
frequency of waves?
Define: wavelength
Define: amplitude
What speed does
electromagnetic
radiation travel at?
Which types of
radiation can cause
ionisation?
Give 2 ways we can
protect ourselves from
UV radiation from the
Sun.
What is the main
greenhouse gas?
Bicester Community College
Science Department
Hertz (Hz)
1.
2.
Yes
No
The amplitude of a wave The wavelength of waves
is the distance from the is the distance between
maximum displacement the corresponding points
to the undisturbed
on two adjacent cycles
position
High energy ultraviolet
radiation, X-rays and
gamma rays
300 000 km/s
Carbon dioxide
Sun-screens and
clothing
Bicester Community College
Science Department
Give 2 factors that are
causing atmospheric
carbon dioxide levels to
rise.
True or false: an
analogue signal can
vary continuously.
True or false: a
digital signal can only
take a small number of
values.
What are the primary
energy sources that
humans use?
What voltage is mains
electricity?
Bicester Community College
Science Department
True
Fossil fuels (oil, gas,
coal), nuclear fuels,
biofuels, wind, waves,
and radiation from the
Sun
Burning increased
amounts of fossil fuels
as an energy source
cutting down or burning
forests to clear land
True
230V
Bicester Community College
Science Department