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Succession is the term given to describe the changes that take place within an ecosystem. Barren land such as bare rock can be formed by the eruption of a volcano or a glacier retreating. The first stage ...

It is known as double-stranded as there are two strands of DNA joined by hydrogen bonds between the bases and polynucleotide refers to the fact that there are many nucleotides joined by phosphodiester bon...

capillaries have a high surface area to volume ratio to allow fast diffusionCO2 can diffuse from cells to blood plasmathe lungs also contain capillaries allowing CO2 to diffuse into them prior to exhalati...

compareboth involve nucleotide basesboth involve RNAcontrasttranscription copies DNAtranscription produces mRNAtranslation produces a polypeptidetranslation uses tRNA molecules

Describe:·     Random or small amount of sodium ions enter the axon (diffusion) which leads to a slight depolarisation of the membrane·     Down the concentration gradient (more sodium outside the cell th...