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Biologi noter

  • Biologi
  • 9. klasse
  • Afleveret til 10
  • 5 sider PDF

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Biologi noter er en biologi-opgave fra 2018 til 9. klasse, afleveret til karakteren 10. Fylder 5 sider (754 ord, ca. 3 min. læsning) og blev publiceret 16. september 2020.

Noter fra biologi

Differences between animal cells and plant cells ANIMAL CELLS:

- The shape varies - Have chloroplasts - Have a nucleus in the middle - Sometimes have a small vacuoles but never contained cell sap - Have tough cellulose cell walls

PLANT CELLS:

- Square shape - Do not have chloroplasts - Have a nucleus in the side - Have a large permanent vacuole containing cell sap - Do not have cellulose cell walls

Plant cells is 40 times larger than an animal cell.

6 DIFFERENT CELLS IN YOUR BODY:

- Nerve cells: Are like wires to carry messages around the body. - Red blood cells: Carries oxygen in your body. - Muscle cells: Can shorten to move bones. - Bone cells: Make bone to support the body.

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- Egg cells (Only in females): Have a store of food in the cytoplasm - Sperm cells (Only in males): Have a tail to swim the egg.

Lungs and windpipe - Respiratory Heart and blood vessels - Circulatory Brain and spinal cord - Nervous Ovaries, oviducts and uterus - Reproductive Oesophagus, stomach and intestines - Digestive Kidneys and bladder - Excretory

ENZYMES

MY OWN SUMMERY

- Enzymes is very important in industry - They can be reused - They work at relatively low temperatures - Breaker enzyms break down complex chemicals into simple ones

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