Biology Resources

uWhat is an ecosystem? (1)uDescribe the stages involved in primary succession (4)uWhat is the difference between primary and secondary succession? (3)uHow can biomass be calculated? (...

What is photosynthesis?Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy, stored in glucose. It occurs in two mai...

What is a monomer?A monomer is small repeating units from which larger molecules are made (polymer)Give some examples of monomersMonosaccharides, amino acids, nucleotidesWhat is a pol...

The Electron Transport Chain (ETC) is a feared topic in A-Level Biology, but here is a detailed breakdown. You should have already covered this topic and this explanation is for revis...

Mitosis is a component of the cell cycle, in which cells replicate to form two identical daughter cells, so that the total number of chromosomes is maintained, for growth, repair an...

Mastering A-Level science demands more than just rote memorization& it requires an understanding of complex processes and the ability to apply knowledge effectively. As a tutor, I gui...

AO1:The importance of interactions between organisms is evident in the nitrogen cycle where organisms like saprobionts interact with the environment and nitrifying bacteria to prod...

Antibiotics are agents which either induce cell death or inhibit cell growth (Kohanski, 2010) and target bacteria without killing the hosts cells by acting on processes that are uniqu...

Cycles are important in several metabolic and chemical reactions in organisms and allow for the continued production of useful substances in organisms. For example, one cycle is the C...

A nitrogen containing compound that is essential in organisms is the sodium ion channels on the membrane of the post synaptic neurone. When an action potential travels down the axo...