A gap between the start or end of a neurone or an effector
3 of 22
name the hormone responsible for phototropism.
Auxin
4 of 22
where does auxin move to when light shines on a plant and what effect does it have on the cells in this area?
auxin travels to the shade and makes the cells elongate
5 of 22
what 2 microbes usually cause illness when they enter the body?
Bacteria and Virus
6 of 22
what enzymes are there and what releases them?
amylase, protease, and lipase. they are inside by pancreas, hydrochloric acid and small intestine
7 of 22
what is an antigen?
its a chemical on the surface of a pathogen
8 of 22
how do antibiotics effect bacteria?
1) break down the cell wall 2) stop cell division
9 of 22
why dont antibiotics affect viruses?
1) they live inside the cells 2) they dont have a cell wall
10 of 22
why was thalidomide originally prescribed to people? how is it used today?
to help people with insomnia get to sleep. and its used to slow down the disease called leprosy
11 of 22
why was thalidomide originally given to pregnant women? and what was the problem?
to prevent morning sickness and nausea in the morning but it would stop the baby developing in their arms and legs.
12 of 22
Aseptic technique? part 1-4
1) swab working surface with disinfectant and wash your hands 2) heat inoculating loop for a few seconds(wear safety goggles) 3)unscrew cap of culture bottles and place neck into flame 4) dip inoculating loop in bottle, then replace the cap on
13 of 22
Aseptic technique? part 5-9
5) gently wipe inoculating loop across agar in petri dish 6) quickly replace petri dish and seal with clear tape. label the dish 7)heat inoculating loop in bunsen flame 8)place petri dish in incubator 9) swab working surface and wash your hands.
14 of 22
name 2 microbes responsible for decay
bacteria and fungi
15 of 22
what is released back into soil when dead matterf is decayed by microbes?
nutrients
16 of 22
give 2 examples of nutrients used by plants and why they need them
1) Mg2+ to make chlorophyll 2)nitrates to make proteins for plants
17 of 22
how is energy lost in animals?
respiration, movement, heat, excretion, growth and repair
18 of 22
why isnt all sunlight captured by plants?
a lot of it is reflected off the leaves, some sunlight passes through the leaf and not absorbed by the chlorophyll
19 of 22
what are the advantages of tissue culture?
you can make lots of clones for big profit
20 of 22
what are the disadvantages of tissue culture?
it costs very much to buy the equiptment
21 of 22
who made the theory of evolution?
Charles Darwin
22 of 22
Other cards in this set
Card 2
Front
what makes up the central nervous system(CNS)?
Back
Brain, Spinal Cord and Nerves
Card 3
Front
What is a synapse?
Back
Card 4
Front
name the hormone responsible for phototropism.
Back
Card 5
Front
where does auxin move to when light shines on a plant and what effect does it have on the cells in this area?
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