Memorize Biology Definitions for Exams

These Biology definitions have been created with the Leaving Cert, GCSE and A-Level Biology exams in mind. This download lists 14 Biology definitions that start with “A”.

I have tried to create these definitions using examples from everyday events, such as my local jewellers, or building site. Whenever you read these events, just make sure they are your events. Doing so will make your image of the definition unique and far more memorable.

If you come across a definition I describe that you are unclear of, always go with your own image. Don’t try to change your mind to fit in with an image I describe. It is the first image that comes into your mind which makes things so much more memorable.

I do not authorise any reproduction of this material in whole or in part.

Finally…
I must ask you all to do one thing, keep an open mind. What you read may seem bizarre, but it leaves a lasting image in your mind, and that’s what we want.

Absorption Spectrum

Location:

When I hear or read “Absorption Spectrum” I will immediately think of a grassy wet field with a giant rainbow pouring into a sponge. I can see and hear the sponge getting bigger and changing to different colours of the rainbow.

Definition:
A spectrum showing the amounts of the different wavelengths of light absorbed by the different pigments of chlorophyll.

Key:
Spectrum = rainbow
Showing = a show i.e. Punch and Judy show (puppets).
Amounts = bag of money
Different wavelengths = two beams of light of different colours
Absorbed = sponge
Different pigments = two fat pigs
Chlorophyll = potent smelling bottle of liquid (actually chloroform but sounds similar).

Story:
I imagine, beside the giant coloured sponge, a Punch and Judy show (showing) happening. I can hear Punch’s squeaky voice. I notice he has two large bags of money (amounts) in his hands and can hear the coins clashing together as he waves his arms around franticly. All of a sudden, a beam of light appears out of each of the bags (different wavelengths), a yellow and a red one! Punch gets frightened and pushes both bags of money off the stage show and onto the floor. There is another sponge (absorbed) at the base of the stage and it starts to soak up the light coming from the bags of money. Two pigs (different pigments) come running over to the bags of money and each pig sticks his nose into the bags and are eating the coins! But one of the pigs gets greedy and wants to eat all the money himself, so takes out a bottle of chlorophyll (chlorophyll) and puts it under the other pig’s nose. The pig can’t stand the smell and leaves.

Accommodation

Location:
When I hear or read “Accommodation” it reminds me of a hostel in Sydney I stayed at.

Definition:
Changing the curvature of the lens so that light from the near and distant objects can be focused on the retina to give clear visual images.

Key:
Lens = giant contact lens
Retina = Bull’s eye on a dart board

Story:
I imagine I am back in the room in the hostel I stayed at in Sydney (Accommodation). I imagine holding a giant contact lens and am bending it making it change shape (changing the curvature). I notice a candle on the table (near) in the room and can clearly see a beam of yellow light leave the candle and go into the lens. The window in my room is also open and a street light can be seen (distant). Its yellow glow too finds its way into the lens. I then notice the two beams of light coming together and focusing (focused) on the Bull’s eye (retina) of a dart board hanging on the door! I can clearly see the light on the Bull’s eye!

Acoelomate

Location:
When I hear or read “Acoelomate” it reminds me of an air seal in a submarine and then think of the Captain’s mate.

Definition:
An animal that does not have a fluid filled body cavity that arises from a split in the mesoderm.

Key:
Animal makes me think of a wild large brown bear.
Arises = Aries

Story:
I imagine the bear with a tube in his mouth. There is a pump attached to the tube removing all the fluid from the bear! The bear’s body cavity is deflating like a balloon. I imagine, beside the pump, a ram (Aries = arises) with a piece of wood in his hooves and splitting it in two. There are splinters of wood everywhere and the ram has really messed up the Dorm (mesoderm).

Action Spectrum

Location:
When I hear or read “Action Spectrum” it makes me think of a soldier abseiling down a rainbow in a field.
Definition:
A spectrum showing the rate of photosynthesis for each of the different wavelengths of light.
Key:
Showing = Punch and Judy show
Rate = a receipt
Photosynthesis = a bushy tree
Each = peach
Story:
I imagine a soldier landing on top of the Punch and Judy show. He topples over and falls onto a giant tree and a receipt falls from the tree onto his face. Two peaches suddenly start to shake and beams of different coloured light (different wavelengths of light) start to emit from them.

Active Site

Location:
When I hear or read “Active Site” it reminds me of a building site I walk past on my way to work every day.
Definition:
The part of the enzyme that the substrate temporarily attaches to. It makes the enzyme specific.
Key:
Part = Art easel (sounds like part)
Enzyme = giant jigsaw piece
Substrate = soccer substitute
Makes = mortal and pester
Story:
I imagine walking past the building site and see a giant art easel (part) with a picture of a bright green jigsaw (enzyme) on the white canvas. I soccer player (substrate) is standing beside the easel and sticks his hands (temporarily attaches) onto the picture. Then I notice a builder walking past the soccer substitute with a mortal and pester (makes) and he is grinding up a piece of jigsaw (enzyme). I shout up to him what he’s making. He replies he is making something specific.

Active transport
Location:

When I hear or read “Active transport” it makes me think of a train journey.
Definition:
This is the movement of molecules against the concentration gradient. It requires energy.
Key:
Movement = flag (as in a people movement with a flag waving).
Molecules = moles (moles have terrible eyesight so I imagine moles wearing yellow hard hats with a light on them to help see where they are going).
Story:
I imagine I am sitting on a train. All of a sudden there is a loud bang and a hole appears in the train floor. The first thing I see coming out of the hole amongst the rubble is a flag (which makes me think of movement) followed by a group of moles, (molecules). The moles start to climb up the pile of rubble. It is a rather steep gradient (gradient). Half way up, one of the moles stops for an energy drink. (He requires energy!)

Allele

Location:
When I hear or read “Allele” it makes me think of an alien in an aircraft hanger like the ones I have seen in lots of Hollywood movies!
Definition:
An alternative form of a gene.
Key:
Alternative = alternate (something that alternates, like a switch).
Form = an application form, perhaps for a new job!
Gene = genie
Story:
I imagine I am in the aircraft hanger looking at the alien. He is holding onto a giant switch (which reminds me of alternative). Stuck to the switch is a sheet of paper (which reminds me of form), and a genie (gene) is having difficulty in filling it in as it is moving back and forth with the switch! The Genie is sticking out of a lamp.

Anaerobic respiration

Location:
When I hear or read “Anaerobic respiration” it makes me think of my friend Anne puffing and panting after doing exercise at my local gym.
Definition:
This is the release of energy from food without using oxygen.
Key:
Energy = sports drink like Lucozade
Food = hamburger
Story:
I imagine Anne holding her breath on an exercise bike (without using oxygen). She is holding a hamburger (food). All of a sudden she opens the burger and a sport drink pops out! (Release of energy).
Note this image may seem to run backwards when you are reading it, but when you play it back in your mind it will all make sense!

Antibiotic

Location:
When I hear or read “Antibiotic” it reminds me of the isle in the supermarket that sells washing powder (bio washing powder).
Definition:
Chemical secreted by bacteria and fungi, which can be used to kill other bacteria and fungi.
Key:
Chemical = spray bottle of bleach
Secreted = oozing liquid
Bacteria = a person’s back
Fungi = mushrooms
Story:
I imagine my Auntie spraying a bottle of bleach (chemical) around the supermarket! People are sliding all over the floor because of her! All of a sudden a purple liquid starts to ooze (secreted) from her back (bacteria) and a giant mushroom (fungi) appears on her back and it too starts to ooze! There is a Witch sitting on a giant tin can (which can) laughing at all this and she takes out a gun and shoots (kill) the mushroom (fungi) and my Auntie in the back (bacteria)! What a sight.

Antibody

Location:
When I hear or read “Antibody” it reminds me of my Auntie’s house.
Definition:
A protein produced by white blood cells in response to an antigen.
Key:
Protein = Pro football player
Produced = cow (produces milk)
Response = small hammer a Dr uses to check peoples reflexes
Antigen = jewels (Antigen reminds me of gemstones)
Story:
I imagine I am in my Auntie’s house (Antibody). There is an American football player (protein) in the middle of the living room milking a cow (produced)!! White and red (blood cells) milk appears to be coming from the cow! The footballer then takes out the little hammer and hits the cow on the back leg (response). The cow kicks back and knocks over a table that has a beautiful green gemstone (antigen) on it. I shudder when I hear it smash on the ground.

Antigen

Location:
When I hear or read “Antigen” it reminds me of a green Gemstone which may be found in a jewellery store. I immediately think of the jewellers in my local town.
Definition:
A chemical, which stimulates the production of antibodies.
Key:
Chemical = spray bottle of bleach
Which = Witch with a broomstick
Stimultates = stimulant such as a cigarette
Production = cow
Antibodies = Autnie’s house ( in this case I imagine her cat, which is always sleeping) I am not imagining her house as I have my location already, in this case my local Jewellers.
Story:
I imagine I am in my jewellers buying my girlfriend a present. I notice the jeweller is spraying liquid (chemical) onto the glass surfaces of the display. I look into the reflection of the display and see a Witch (which)! She is smoking a cigarette (stimulates). I look up, shocked. I look at the jeweller to tell him what happened but he has turned into a cow (production)! He moo’s at me. He hand’s me a fresh bottle of milk which I drop by accident. Good job I brought my Auntie’s cat (Antibody) with me to lick it all up!

Autosomes

Location:
When I read or hear “Autosomes” it reminds me of my local car dealership in my town.
Definition:
Non sex chromosomes
Key:
Non = Nun
Chromosomes = Giant X placed on a placard
Story:
I imagine several Nuns (Non) protesting outside my local car dealership. I take a look at their placards which reads “X” (chromosomes) on them. I don’t need to think of a word or image for “sex” as it comes hand in hand with chromosome.

Autotrophic

Location:
When I hear or read “Autotrophic” it reminds me of a tropical (trophic) tree growing in my front garden.
Definition:
An organism that can make its own food.
Key:
Organism = organ (like a piano)
Make = mortal and pester
Food = hamburger
Story:
I imagine sitting in the shade of the giant tropical tree (autotrophic) in my front garden. I am relaxing in a chair as I listen to the music being played on an organ (organism) beside me. How lovely it is!
As I am listening to the music I notice the musician is making his own hamburgers (make its own food) while he plays!

Axon

Location:
When I hear or read “Axon” it makes me think of an Axe hanging up in my garage. I use it to chop firewood.
Definition:
A nerve fibre that carries messages away from the cell body.
Key:
Nerve = red string
Fibre = home made brown bread
Carries = plastic bag
Messages = envelope
Cell = steel bar that would be on a prison cell window
Story:
I imagine I am standing in my garage and there is red string (nerve) everywhere. I decide to wind it up and find a loaf of brown bread (fibre) attached to the end! I decide to place the bread into a plastic bag (carries) but forget I have some envelopes (messages) in there and get them covered in crumbs. I don’t want to get the envelopes any dirtier so I hang the bag on the end of a steel bar (cell) so my hands don’t contaminate them.



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