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(a) Describe Pseudomonas aeruginosa and its implications in disease.A: Pseudomonas aeruginosa is a common type of gram-negative bacteria usually found in soil and water. It rarel...

Membrane less permeable to sodium ions Sodium ions actively transported out... ...(by) sodium ion carriers inside of the membrane is negative compared to the outside / 3Na+ out and 2K+...

Firstly group the like terms to make the expression (5a+4a^2) and then factor out 'a' as it is a common term.This makes the expression ( a(5+4a))

For fertilisation to occur, the pollen (male gamete) of a flower must come in contact with the ovule (female gamete), which is contained within the pistil, of another flower. A pollinator (insect such as ...

y - 2x = 3 x² + y² = 18Step 1- re-arrange the first formula to find y: y = 3 + 2x Step 2- Substitution: x² + ( 3 + 2x )² = 18 Step 3- Expand the brackets: ( 3 +...