Biology Topic 2 Molecular Biology

Topic 2

2.1 Molecules to metabolism

Molecule

anions and cations

electrophilic atom

Bonding

Polar Covalent bonds
(eg)

Glycerol

Types of carbon - based compounds

Anabolism vs Catabolism

Glucose Alpha vs Glucose Beta

Condensation reaction

Hydrolisis

dimer and tetramer

Hydrolysis reaction

Polypeptide

Difference polypeptide and protein

Proteomics

Proteome

Enzymes

Structure of DNA & RNA

Nucleotides

DNA base pairing
Guanine and Cytosine

DNA base pairing
Adenine and Thymine

DNA replication, transcription and translation

Replication

Experiment: Meselson & Stahl
Background

Experiment: Meselson & Stahl
Procedure

Experiment: Meselson & Stahl
Results

Experiment: Meselson & Stahl
Results cont.

Replication
(detail)

Replication Fork

Lagging strand vs Leading strand

Transcription

Transcription
visualized

Complementary Base pairing differences!

IMPORTANT -> Transcription

Cell respiration
(book definition)

Cell respiration
(syllabus definition)

ATP

Aerobic respiration

Anaerobic respiration

Glycolysis

Bioethanol

Bioreactor

Photosynthesis

Chlorophyll
(photosynthesis)

Visible light

Photolysis of water

Gaffron's Experiment