22.4 litres
22.4 litres
If live wire touches metal casing there is a surge current that breaks fuse and breaks circuit
If live wire touches metal casing there is a surge current that breaks fuse and breaks circuit
aerobic
aerobic 92
92
22.4 litres
22.4 litres
If live wire touches metal casing there is a surge current that breaks fuse and breaks circuit
If live wire touches metal casing there is a surge current that breaks fuse and breaks circuit
aerobic
aerobic 92
92
22.4 litres
22.4 litres
If live wire touches metal casing there is a surge current that breaks fuse and breaks circuit
If live wire touches metal casing there is a surge current that breaks fuse and breaks circuit
aerobic
aerobic 92
92
22.4 litres
22.4 litres
If live wire touches metal casing there is a surge current that breaks fuse and breaks circuit
If live wire touches metal casing there is a surge current that breaks fuse and breaks circuit
aerobic
aerobic 92
92
22.4 litres
22.4 litres
If live wire touches metal casing there is a surge current that breaks fuse and breaks circuit
If live wire touches metal casing there is a surge current that breaks fuse and breaks circuit
aerobic
aerobic 92
92
2+
1+
Hertz (Hz)
degrees (o)
transports water and mineral salts from the roots to the other parts of the plant
nicotine 101
102
1-
2-
metres/second (m/s)
metre (m)
transpiration
by increasing surafce area in contact 104
103
they all lose two elctrons
they all lose one electron
transverse and longitudinal
second (s)
red blood cells, white blood cells, platelets and plasma
humidity, wind speed, temperature, light intensity 105 106
they all gain two electrons
they all gain one electron
the maximum distance a point moves fron its rest position when a wave passes
energy
plasma haemoglobin
107 108
explosively, giving off hydrogen
lithium, sodium and potassium
the distance between any point on a wave and the equivalent point on the next
the number of waves passing any point per second
white blood cells phagocytes and lymphocytes
109 110
hydroxides and oxides
all hydroxides, halides, sulphates, nitrates and carbonates
v
the time for one oscillation
right atrium, left atrium, right ventricle, left ventricle
antibodies
112
111
green gas
chlorine, bromine and iodine
位 (lambda)
f
arteries
to the lungs 114
113
purple solid
brown liquid
v=fx位
T
capillaries
veins 116
115
hydrogen chloride in water is acidic; hydrogen chloride in methylbenzene is not
hydrochloric acid is hydrogen chloride dissolved in water
frequency = one divided by period
wave speed = frequency x wavelength
lungs, kidneys and skin
veins 118
117
no reaction
potassium chloride + iodine
speed
f = 1/T
the proximal convoluted tubule
water 120
119
green
black
red, orange, yellow, green, blue, indigo, violet
radio; microwaves; infra-red; visible; ultraviolet, Xrays; gamma rays
water, urea and salts
ADH 122
variable valency, formation of coloured compounds, formation of complex ions
121
blue
broadcasting and communications cooking and satellite transmissions the maintenance of a constant internal environment homostasis
123 124
aluminium oxide and iron
potassium, sodium, lithium, calcium, magnesium, aluminium, zinc, iron, hydrogen, copper
optical fibres and photography heaters and night-vision equipment nervous communication and hormonal communication
a stimulus, a receptor and an effector 126
125
oxygen and water needed
no reaction
observing the internal structure of objects and medical applications
flourescent lamps
the central nervous system electrical impulses
127 128
the oxygen reacts with the zinc instead of the iron because zinc is more reactive than iron
coating an object with zinc to prevent rusting
sterilising food and medical equipment internal heating of body tissue ADH adrenaline
129 130
yellow
lilac skin burns
damage to surface cells and blindness insulin testosterone
131 132
brick red
red
transverse
cancer, or mutation of cells
progesterone
oestrogen 134
133
light blue precipitate
gives off ammonia when heated
n
angle of incidence = angle of reflection
sperm
asexual 136
135
rust-brown precipitate
green precipitate
r
i
a zygote
egg cell or ovum 138
137
green precipitate
light blue at first and then deep blue with excess
all light is reflected back into the substance
n = sin i / sin r
insect pollination
wind pollination 140
139
formation of a complex ion
rust-brown precipitate
c
the angle of incidence above which all light is totally internally reflected
seed (and fruit)
pollen 142
141
dilute nitric acid+ silver nitrate solution gives white/yellow precipitate
dilute nitric acid+ silver nitrate solution gives white precipitate
longitudinal
sin c = 1/n
the release of a mature egg cell
fertilisation 144
give off carbon dioxide with acid
143
dilute nitric acid+ silver nitrate solution gives white/cream precipitate
20 Hz - 20 000 Hz echo in the testes 146
progesterone 145
turns limewater cloudy
turns red litmus paper blue (also characteristic smell)
acceleration
Joules
fallopian tube
the ovaries 148
147
burns with a squeaky 'pop'
damp litmus paper is bleached white
power
force
uterus
taking cuttings 150
149
drops condense on a mirror
re-lights a glowing splint
elastic and potential
heat, light, electrical, sound, kinetic, chemical, nuclear and potential
chromosomes
fetus 152
151
yes
yes
electrical
light
A, T, C and G
DNA 154
153
sodium, potassium, ammonium
barium and calcium
energy cannot be created or destroyed
kinetic
the two alleles each cell has for a certain feature
alleles 156
compounds that only have single bonds between carbon atoms in their structure
155
compounds which contain hydrogen and carbon only
efficiency = useful energy out / total energy in 0.2 the feature that results from a genotype (e.g. A tall plant)
two identical alleles 158
compounds which have the same formula but different structural arrangements of atoms
157
hydrocarbons with the general formula CnH2n+2
0.6 conduction, convection and radiation two non-identical alleles T
159 160
less dense than the surroundings
conduction
female
0.25 162
161
insulators
work = force x distance travelled in the direction of the force
male
mitosis and meiosis
163
164
hydrocarbons that contain a C=C double bond somewhere in the chain
distance moved in the direction of the force the amount of energy transferred from one form to another sex cells 166
cells that contain two copies of each chromosome 165
C2H4
a series of hydrocarbons with the general formula CnH2n
9.8 (accept 10) GPE = mass x g x height mitosis 168
two cells that contain indentical sets of chromosomes 167
C4H8
C3H6
30 Joules
150 Joules
four
haploid cells 170
169
a substance which dissolves in water, producing H+ ions
decolourise bromine water
KE = ½ x mass x speed2 20 Joules 46 23
171 172
a condition under which gas bubbles are able to form within a liquid - not just at the surface
a soluble base which produces OH- ions in water
4.5 Joules 2 m/s
mutations occur to idividuals that survive and pass on the mutation to next generation
a rare, random change in genetic material that can be inherited 173
174
separate coloured dyes
a technique employed for the seperation of mixtures of dissolved substances
power = work / time power is the rate of doing work plants, animals, fungi, bacteria, protoctists and viruses 176
movement, growth, reproduction and controlling internal conditions 175
the change of a vapour or a gas into a liquid
a substance formed by the chemical combination of two or more elements in fixed proportions
2000 Joules 20 watts animals 178
plants 177
the process of forming crystals from a saturated solution
given out
6000 Joules kinetic to electrical fungi bacteria
179 180