Biology A level OCR A

This class was created by Brainscape user Evelyn Harris.

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Decks in this class (54)

microscopes
What is magnification 1,
What is resolution 2,
What is the equation for magnific...
14  cards
Meiosis
What is the purpose of meiosis 1 1,
What is the purpose of meiosis 2 2,
What happens in prophase 1 3
26  cards
Monosaccharides + disaccharides
What combination gives the disacc...,
What combination gives the disacc...,
What combination gives the disacc...
13  cards
Food tests / PAG 9
What food test tests for starch 1,
What colour does iodine turn if s...,
What colour is iodine when starch...
21  cards
Beetroot and colorimeter / PAG 4
How are colorimetry measurements ...,
What are the units of the colorim...,
What is a colorimeter 3
14  cards
Proteins: structure
What are the 4 levels of protein ...,
What is the primary structure of ...,
What bond is formed between prote...
30  cards
Membranes
What is the function of the phosp...,
What does cholesterol reduce in t...,
What is the function of a glycoli...
8  cards
water
Are water molecules polar or non ...,
What bonds are formed between wat...,
Why is water described as a solve...
12  cards
ATP
What is atp made of 1,
How is atp synthesised 2,
What is the function of atp 3
4  cards
Communicable diseases
What are the 4 types of pathogen 1,
How are bacteria classified 2,
How can you tell if bacteria is g...
42  cards
Random, generic questions
When co2 enters a red blood cell ...,
When oxygen joins with haemoglobi...,
What are the 2 nodes in the heart...
26  cards
Secondary non-specific defenses
What is an antigen 1,
What do opsonins do 2,
What are the two types of phagocy...
10  cards
ventilation
Which muscles are responsible for...,
Which muscles are responsible for...,
What volume and pressure changes ...
25  cards
Gas exchange in fish
What is the main site of gas exch...,
What is the name of the bony flap...,
What does the operculum do when i...
14  cards
Gas exchange in insects
What is the main site of gas exch...,
In insects what do the trachea br...,
On the insects body surface trach...
11  cards
Ventilation exam questions
Describe and explain how air is t...,
Describe the mechanism of forced ...
2  cards
Osmosis
When a substance is dissolved in ...,
What is a substance called when i...,
Blank 3
4  cards
Genes
What is meant by the term degener...,
Why is genetic code described as ...,
Describe what is meant by non ove...
8  cards
RNA
Name the four bases that are foun...,
How is mrna structured 2,
What is the purpose of mrna 3
13  cards
DNA
Chromosomes are only found in 1
1  cards
Biodiversity
What is biodiversity 1,
What is a habitat 2,
What is a species 3
54  cards
Transport in plants
Where is the xylem and phloem loc...,
What and where does the xylem tra...,
What and where does the phloem tr...
28  cards
transport of carbon dioxide
What are the 3 ways that co2 can ...,
What of co2 is dissolved directly...,
What of co2 is directly bonded wi...
8  cards
Communication
What is the need for a communicat...,
What are the characteristics of a...,
What are the two responses in the...
7  cards
transport of oxygen
What is one way that erythrocytes...,
How many polypeptide chains does ...,
When a haem group binds with oxyg...
5  cards
stem cells
What is the term given to stem ce...,
What is the term given to stem ce...,
What is the term given to stem ce...
6  cards
Maths
A student investigates the number...
1  cards
Excretion
Define excretion 1,
What are the three main waste pro...,
What are the three blood vessels ...
14  cards
Homeostasis
What is homeostasis 1,
What are the 3 levels of physiolo...,
What is a negative feedback system 3
5  cards
Uses of urine samples and kidney failure/disease (yr13)
Which hormone do pregnancy tests ...,
How does a pregnancy test work 2,
When antibodies aren t bound to h...
21  cards
thermoregulation (yr13)
What is thermoregulation 1,
What is an ectotherm 2,
When an organism has a lower surf...
14  cards
Role of Nephrons
What is the bundle of capillaries...,
What is the capillaries surroundi...,
What is connected to the bowman s...
19  cards
Selective reabsorbtion
How is proximal convoluted tubule...,
What happens during selective rea...,
Where does selective reabsorption...
5  cards
Loop of Henle
Which limb actively pumps out sod...,
Where does water move if sodium i...,
What is the visual difference bet...
11  cards
Distal convoluted tubule
What happens with the distal conv...,
What is reabsorbed in the distal ...
2  cards
Tissue fluid
How is tissue fluid formed 1,
What is forced out the capillary ...,
What remains in the capillary aft...
6  cards
Different types of neurons
Which type of neurone connects re...,
What is a neurone 2,
Which type of neurone connects th...
8  cards
Synapses
What is a synapse 1,
What are the 4 components of a sy...,
Within the presynaptic neurone ho...
9  cards
Receptors
What does the pacinian corpuscle ...,
Describe how these facilitate an ...,
What is the role of a sensory rec...
5  cards
cell organelles
What is the nuclear envelope 1,
Materials can move in and out of ...,
Within the nucleus what are the r...
24  cards
Tropism
What is phototropism and gravitro...,
Blank 2
2  cards
Photosynthesis
Give a rundown of light dependent...,
What happens after photoionisation 2,
What is photolysis 3
3  cards
Specific immune response
What is the cellular cell mediate...,
What is the humoral antibody medi...,
Where are t lymphocytes formed 3
10  cards
Communicable diseases - plants
What are the physical barriers of...,
What is callose made of 2,
What does callose do 3
10  cards
Cell cycle, mitosis and meiosis
What are the stages of the cell c...,
What happens in the m phase of th...,
What happens in the g0 phase 3
18  cards
Domains
Describe features of the archaea ...,
Describe features of the bacteria...,
Describe features of eukarya prot...
9  cards
Genetics
What is the hardy weinberg princi...,
What does the hardy weinberg prin...,
What are the hardy weinberg equat...
14  cards
Speciation
Blank 1
1  cards
Apoptosis
What is apoptosis 1,
What is necrosis 2,
What are the mechanisms of apopto...
16  cards
Genetic engineering
What is recombinant dna 1,
What is transformed organisms 2,
What is transgenic organisms 3
3  cards
Hardy-Weinberg principle
What is the hardy weinberg princi...,
To ensure that allele frequencies...,
What process leads to organisms s...
3  cards
Eukaryotic cell ultrastructure
Name one substance that passes ou...,
Describe the role of the nucleolus 2,
Blank 3
3  cards
the heart
Describe atrial systole 1,
Describe ventricular systole 2,
Describe diastole 3
4  cards
Neurones (Yr13)
What do neurons typically contain...,
What are the 3 kinds of neurons w...,
What are the 4 types of receptor ...
22  cards

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Biology A level OCR A

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