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Animals and plants display structural and behavioural adaptations to their surroundings. Each animal and plant faces certain challenges to their survival such as predators, harsh weather or low food resou...

Menstruation in women is under the influence of the hypothalamic-pituitary-ovarian axis, or HPO axis. The pituitary gland secretes follicle-stimulating hormone (FSH) and luteinising hormone (LH), which ac...

The first of the two major theories are Lock and Key mechanism, which describes the perfect design of the enzyme active site to that of its substrate so that they can immediately interact on contact witho...

Enzymes are protein molecules responsible for the catalysis-the increase in the rate of a reaction- of reactions taking place within our body. They are able to catalyse many reactions by their high specif...

This style of question is common and is often worth around 6 marks. You should address each of ions , water and sugar seperately to ensure that you get maximum marks.

Ions enter the plant via diffu...