photosynthesis and autotrophic nutrition lesson 1 of 2

09/30/2020 8

types of autotrophic nutrition, conditions necessary for photosynthesis, limiting factors of photosynthesis Read More

Heterotrophic nutrition A level By Dr Bbosa Science

09/26/2020 7

purpose, types and adaptations to different types of heterotrophic nutrition digestion and adaptation of digestive canal control of digestions Read More

Chemicals of life (acids, bases, water, carbohydrates, lipids, proteins, and vitamins)

09/25/2020 3

properties, and uses of acids, bases, water, carbohydrates, lipids, proteins, and vitamins Read More

Respiration (A -level)

09/25/2020 0

anaerobic respiration, aerobic respiration, glycolysis, Kreb's cycle, electron transport system, basal metabolic rate, mitochondria. Read More

Enzymes and cellular reaction

09/23/2020 1

properties of enzymes, factors affecting enzymes, lock and key hypothesis, enzyme inhibitors, anabolic reactions, catabolic reactions Read More

Cell physiology

09/23/2020 1

Cell physiology, definitions, uses properties of diffusion, osmosis, active transport, phagocytosis and pinocytosis Read More

Plant Tissues

09/23/2020 0

structure, functions and adaptations of parenchyma, collenchyma, sclerenchyma, xylem and phloem tissues, for A-level biology students Read More


09/18/2020 0

Capacitors A capacitor also known as a condenser, is a device which is used to store electric charge. A capacitor consists of two metal plates ... Read More

Prokaryotic and eukaryotic cell

09/15/2020 1

definitions of prokaryotic and eukaryotic cells, differences between prokaryotic and eukaryotic cells Read More

Group 3 elements

09/12/2020 0

physical properties of group 3 elements uniqueness of boron step wise extraction procedures of aluminium from its ore bauxite reaction of aluminium with water, acids, ... Read More

Group 2 elements -A level inorganic chemistry

09/11/2020 3

It lists members of group 2 elements, their physical properties, uniqueness of beryllium, reaction with water, acids and sodium hydroxide; uses of group 2 metal ... Read More

Current electricity -A-level

09/11/2020 1

Current I This is the flow of charge I =  δQ/δt The S.I. unit of current is Ampere (A) An Ampere is the current flowing ... Read More