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What are the four properties of water?


Describe the two classes of major histocompatibility receptors. What role do these receptors play in your immune responses and what cells would you find them?


Describe antigen processing, epitope presentation and clonal selection, activation, expansion, and end result of humoral immunity be as detailed as possible


  1. What is "junk DNA"? Does if vary across different organisms? Explain.

how does your body change the starch molecules into fat molecules?


Suggest effect the wind speed has on the movement of air bubbles

Describe the structure and function of alveoli.



What area of skin should a researcher take in order to study glands with apocrine and holocrine secretion? What morphological features are characteristic of these glands?

evaluate the significant of chromosomal behaviour during cell division and how it leads to variation provide justified arguments as to how crossing over and independent assortment leading to the variation within an organism


discuss the behaviour of the chromosomes during mitosis and meiosis in each stage of cell division

ensure to cover - mitosis - interphase, prophase, metaphase, anaphase, telophase

meiosis - interphase prophase I, metaphase I, anaphase I, telophase I, cytokinesis, prophase II, metaphase II, anaphase II, telophase II, cytokinesis