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Cell Structure and Cell Membrane Notes

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PDF file containing notes made from Cell Structure and Cell Membrane lesson in Biology. Content is for A-level students

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Institution: University of Portsmouth (UoP)
Study: Unknown
Module: Cells to Systems (M22177)

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Uploaded on: January 19, 2025
File latest updated on: February 17, 2025
Number of pages: 11
Written in: 2024/2025
Type: Lecture notes
Professor(s): David rusling
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Cell Structure and Membrane
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Created @October 23, 2024 10:17 AM

Class Cells to Systems

Parts of a Eukaryotic Cell

Nucleolus

Produces RNA and ribosomes

Centrosomes

Cell division

Cell Membrane

Barrier covering the cell

Cell transport regulation

Isolates organelles from cytoplasm

Lipid bilayer

Allows cell to change shape

Lipid Bilayer

Contains hydrophobic lipid tails

Fat soluble substances cross membrane

Amino acids and proteins use transporters to cross

Ions use ion channels as transportation

Ribosomes

Cell Structure and Membrane Support 1

, Protein factory

Smooth Endoplasmic Reticulum

Produces lipids, steroids and vitamins

Rough Endoplasmic Reticulum

Protein transport

Golgi Apparatus

Sorting office for proteins and waste excretion

Vesicle

Transports materials

Destroys toxic substances

Waste excretion

Nucleus

Contains genetic material

Mitochondria

Powerhouse

ATP Production

Able to self replicate

Used in apoptosis

Cytoplasm

Provides function to cells

Produces chemical environment for organelles

Protein Synthesis Steps:

Transcription

RNA Polymerase combines with DNA strand

Cell Structure and Membrane Support 2

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