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Lecture notes

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

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2020/2021 Written for academic year
Institution PEARSON (PEARSON)
Module Topic 3: Voice of the genome
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A* student, class notes, lots of pictures, all of topic 3 explained in different way to the textbook.

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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
Connected book
image
CGP Books A-Level year 1 and AS Biology
Publisher: 2015 ISBN: 9781782942979 Edition: 1

Document information

Study Level
A/AS Level
Subject
Biology 2015
Uploaded on
May 19, 2021
Number of pages
25
Written in
2020/2021
Type
Lecture notes
Professor(s)
Shaista
Contains
All classes
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