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Topic 3: Voice of the genome A-Level Biology 2015 £7.49   Add to cart

Lecture notes

Topic 3: Voice of the genome A-Level Biology 2015

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  • May 19, 2021
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  • 2020/2021
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Topic 3: Voice Of The Genome

,Cell structure
Eukaryotic cells (animal and plant cells)
● More complex cells
● They have a nucleus
● They have membrane bound organelles


Prokaryotic cells (bacteria cells)
● No membrane bound organelles


Nucleus drawing:
Mitochondria drawing:
Nucleus




Mitochondria




circula ring of DNA



Chloroplasts

, Golgi
apparatus




Rough and
smooth
endoplasmic
reticulum




The role of the rER and Golgi apparatus in protein transport in cells
Extracellular enzymes - enzymes found on the outside of the cell
Types of proteins secreted from cells
● Enzymes
● Neurotransmitters
● Hormones
● Antibodies




The structure of plant cells (taken from topic 4)
Pits and plasmodesmata help plant cells to communicate with each other
and transport substances between them.
Similarities between pits and plasmodesmata:
● Both pits and plasmodesmata are present in plant cells
● Plasmodesmata are abundant in pit membranes

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