Lab Again 🌈

This is chlorophyll A, who change colour 💚->❤️, when we highlight him.

We can see fluorescence only when we release chlorophyll molecules from chloroplasts. Chlorophyll fluorescence is light re-emitted by chlorophyll molecules during return from excited to non-excited states.

𝐑𝐍𝐀 𝐒𝐄𝐂𝐎𝐍𝐃𝐀𝐑𝐘 𝐒𝐓𝐑𝐔𝐂𝐓𝐔𝐑𝐄𝐒

1-Hairpin Loop

2-Bulge Loop

3-Internal Loop

4-Multibranched Loop

DNA..!!

In 1917, Walter Yeo was one of the first men to undergo a successful skin transplant. 

Anatomy of the torso by Joseph Maclise.

Long evening & tea🤓 Tommorow I have a big exam 😭

Disclaimer: These are online resources that I have found, They are not meant to be your only source of study, instead you can use them to your enhance your normal study. I don’t know what level these resources are aimed at, but I’ve tried to provide a range for a number of different topics.

The Body:

Teeth and Dentition

Take a look inside a cell (with some audio)

Explore human anatomy in 3D

Skeletal System

Muscular system

Cardiovascular system

Digestive system

Endocrine system

Nervous system

Immune/ Lymphatic system

Urinary system

Female reproductive system

Male reproductive system

What we didn’t know about penis anatomy - Ted Talks

Integumentary system

Sensory systems

3D Brain

Brain explorer program

How brains learn to see - Ted Talks

Body parts on a chip - Ted Talks

The real reason for brains - Ted Talks

A look inside the brain in real time - Ted Talks

Cells:

Amazing cells - inside a cell, how vesicles transport, communication during fight or flight, membranes.

Cell size and scale

The evolution of the cell

Interactive cell model 

The inside story of cell communication

Stem cells - cell differentiation, stem cells in use, potential use, stem cell debate.

Cloning

Animals and Plants:

Interactive tree of life

Buds and Twigs  (Background article: Buds and Twigs).

Seeds and Germination (Background article: Seed Structure). 

Vegetative Reproduction (Background article: Vegetative Reproduction).

Vegetative Reproduction - Tropical Examples

Flower Structure

Flower Structure - Tropical Examples

The beautiful tricks of flowers - Ted Talks

Fruit Formation

Fruit Formation - Tropical Examples

Protista 

Insect Life-Cycles 

Insect - Tropical. The Citrus Swallowtail Butterfly, Papilio demodocus 

Insects are awesome! - Ted talks

How a fly flies - Ted Talks

Fish: Characteristics 

Fish: Tilapia 

Amphibia 

Birds 

Fungi 

6 ways mushrooms can save the world - Ted Talks

Animals that amaze - Ted Talks

Humble plants that hide surprising secrets - Ted Talks

Genetics:

Alien population games

Make a Karyotype (game)

Pigeon Breeding: Genetics At Work

The secret of the bat genome - Ted Talks

The hunt for “unexpected genetic heroes” -Ted Talks

What’s a Genome? - An informative overview of genomics presented by the Genome News Network. Topics include: What’s a Genome?, What’s Genome Sequencing? and What’s a Genome Map?

The Animated Genome - A 5 minute film about DNA.

Discovery of DNA - An interactive timeline of scientific discoveries

Heredity

Family Health History

Genetic Traits

Mendelian Inheritance

Mitochondrial Inheritance

Multifactorial Inheritance/Complex Disease

Sexual Heredity vs Asexual Heredity

RNA

Structure of the double helix

Chromosome Map 3D Animation - A 3D animation of a chromosome map

DNA Molecule - How DNA is Packaged - An animation of the packaging of DNA into chromosomes

Introduction to inherited traits

Chromosome and inheritance

Introduction to Medelian genetics

Introduction to pedigrees

Molecular genetics

What is DNA Replication?

Transcription (gene expression)

Translation

Replicating the Helix - A short animation of DNA replication

DNA Replication (Advanced Detail) -  A detailed animation of DNA replication

X or Y: Does it make a difference?

Molecular basis of heredity, Nucleic Acids

Molecular basis of heredity, Genomes

Molecular basis of heredity, Genetic variation

Molecular basis of heredity, gene identification

The DNA Files - A series of 14 one-hour public radio documentaries and related information.

Understanding Gene Testing -  An informative, illustrated tutorial on genes and genetic testing. 

Epigenetics

Genetic science

Evolution:

Genetic Drift

Natural Selection

Origins of Genetic Variation

Health:

Genetic disorders

Pharmacogenomics

Family health history

Gene therapy

Fighting a contagious cancer - Ted Talks

Other:

Biology GCSE & IGCSE Question Bank 

Can Bacteria Be Designed to Create Gasoline?

Model Earth (Ecology)

Extreme Environments: Great Salt Lake

Astrobiology

The Human Microbiome 

The Science of Addiction: Genetics and the Brain

Virtual labs

Biology textbook

Biology Experiments

Where are the baby dinosaurs? - Ted Talks

Digging up dinosaurs - Ted Talks

100 Best (Free) Science Documentaries Online

More Biology documentaries and videos

Ocean wonders -Ted Talks

The sea we’ve hardly seen - Ted Talks

A census of the ocean - Ted Talks

Deep ocean mysteries and wonders - Ted Talks

The weird, wonderful world of bioluminescence - Ted Talks

Online Lessons and Guides:

Chemistry of life

Elements and atoms – elements and atoms, matter, elements and atoms, introduction to the atom, atomic number, atomic mass, and isotopes.

Electron shells and orbitals – orbitals, electronic configuration, valence electrons, groups of the periodic table, the periodic table, electron shells, and orbitals.

Chemical bonds and reactions – ionic, covalent and metallic bonds, electronegativity and bonding, intermolecular forces, chemical bonds, chemical reactions introduction and chemical reactions

Water, Acids and bases:

Hydrogen bonding in water – hydrogen bonding in water, hydrogen bonds in water, water as a solvent, solvent properties of water.

Cohesion And adhesion – capillary action and why we see a meniscus, surface tension, cohesion and adhesion in water

Temperature and state changes in water – LeBron asks why does sweating cool you down, evaporative cooling, heat of vaporisation of water and ethanol, specific heat of water, liquid water denser than ice, specific heat, heat of vaporisation, and density of water

Acids, bases and pH – autoionisation of water, Arrhenius definition of acids and bases, bronsted-Lowry definition of acits and bases, definition of pH, acids bases, pH and buffers

Cellular and molecular biology

Cells – diffusion and osmosis, nucleim membranes, ribosomes, eukaryotws and prokaryotes, endoplasmic reticulum and golgi bodies, chromosomes, chromatids, and chromatin.

Introduction to cell division - Fertilization terminology: gametes, zygotes, haploid and diploid, zygote differentiating into somatic and germ cells

Mitosis – interphase, mitosis, phases of mitosis, mitosis questions.

Meiosis – comparison of mitosis and meiosis, chromosomal crossover in meiosis 1, phases of meiosis 1, phases of meiosis 2.

Stem cells and cancer – embryonic stem cells, cancer.

Cellular respiration – ATP, ATP hydrolysis mechanism, introduction to cellular mechanism, oxidation and reduction review from biological point of view, oxidation and reduction in cellular respiration, glycolysis, krebs cycle, elctron transport chain, oxidative phosphorylation and chemiosmosis.

Photosynthesis – light reactions, photophosphorylation, calvin cycle, photorespiration, C-4 photosynthesis, cam plants

Human Biology:

Circulator and pulmonary systems – the lungs, red blood cells, circulatory system, haemoglobin.

The neuron and nervous system – neuron anatomy, sodium potassium pump, action potentials, salutatory conduction, neuronal synapses.

The kidney and nephron – kidney and nephonr, secondary active transport.

Muscles – myosin and actin, tropomyosin and troponin, role of sarcoplasmic reticulum in muscle cells, anatomy of skeletal muscle fibre.

Immunology – phagocytes, immune responses, b lymphocytes, antigen presenting cells and MHC II complexes, helper T cells, cytotoxic t cells and MHC I complexes, review of cells, inflammatory response.

Heredity and evolution

Evolution and natural selection – introduction, ape clarification, intelligent design and evolution, natural selection and the owl butterfly, variation in a spcies.

Heredity and genetics – introduction, Punnett squares, allele frequency, Hardy Weinberg equation, sex linked traits, DNA, RNA transcription and translation, alleles and genes.

Tree of life – taxonomy and the tree of life, species, bacteria, human prehistory

Crash Course

Biology and ecology – pollution, conservation, ecosystems, nitrogen cycle, history of life on earth, population growth.

(Spotlight Lessons): Ecology

Estimating Population Size – simulate mark and recapture by using small objects to trap and tag.  A simple formula will tell you what the overall population size is which can be verified by counting the objects in the bag.

Owl Pellet Dissection –  owl pellets are undigested bits of fur and bones  that owls regurgitate. Students can examine the contents, reconstruct the skeleton of the prey and make inferences about the owl’s diet.

Interpreting Ecological Data – examine charts, data tables  and graphs to answer questions about population size, growth, and carrying capacity.

Biome Project – as a group, investigate a biome and present to the class the main features, animal and plant species present and general climate.

Isopod Behavior Lab – collect isopods (pillbugs) and design a chamber to test their response to different environments, such as temperature, moisture, and substrate.

chill & sunny day☀️ ❤️