B2 Flashcards

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  • Created by: 11easkry
  • Created on: 08-06-15 16:11
What does a bacterial cell contain?
Cytoplasm, Cell Membrane, Cell Wall
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What happens in meiosis?
2 divisions take place, and cells/gametes are produced which have half the amount of chromosones
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What is the order of systemes/processes in the body?
Cells - Tissues - Organs - System - Organism
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What is cystic fibrosis?
An inherited disorder that affects the cell membrane
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What are the 3 factors that affect photosynthesis?
Light, Temperature, Carbon Dioxide
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What does a yeast cell contain?
Nucleus, Cell Wall, Cell Membrane, Cytoplasm
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What is polydactyly?
A genetic disorder that causes the sufferer to have extra fingers or toes
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What is polydactyly caused by?
The dominant allele of a gene
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What is the factor that limits photosynthesis?
Tempearature, because Light and Carbon Dixoide are in plentiful supply
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What does cystic fibrosis result in?
Sufferers of it produce thick and sticky mucus, this can block the breathing, digestive, and reproductive systems
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What does the stomach do?
It stores and digests food. It also produces digestive juices
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What does the large intestine do?
It absorbs water into the food, that is later excreted int he rectum
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What is mitotis used for
Mitosis is used for growth and repair
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What are enzymes?
Biological catalysts produced by living things
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What process produces genetically identical cells, meiosis, or mitosis?
MITOSIS produces genetically identical cells
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What is cystic fibrosis caused by?
It is caused by the recessive allele, so it's inherited by both parents
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What does the oesophagus do?
The oesophagus transfers food from the mouth to the stomach
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How many cells are produced in meiosis?
4
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How many chromosones are there per cell in mitosis?
46
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How many chromosones per cell are there in meiosis?
23
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What is meiosis used for?
It is used to produce sperm and eggs
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Whatis the equation for photosynthesis?
Glucose + Oxygen → Carbon Dioxide + Water ( + Energy )
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Other cards in this set

Card 2

Front

What happens in meiosis?

Back

2 divisions take place, and cells/gametes are produced which have half the amount of chromosones

Card 3

Front

What is the order of systemes/processes in the body?

Back

Preview of the front of card 3

Card 4

Front

What is cystic fibrosis?

Back

Preview of the front of card 4

Card 5

Front

What are the 3 factors that affect photosynthesis?

Back

Preview of the front of card 5
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