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Sem 2 Exams 2011

QuestionAnswer
Osmosis diffusion of a substance through a semi-permeable membrane from an area of high concentration to an area of low.
Diffusion spreading out of particles so they are evenly distributed
Active transport movement of substances across the cell membrane against concentration gradient, requires cellular respiration
Enzymes proteins that allow chemical reactions to take place
Cellular respiration process by which food is broken down in the cells to release energy
DNA genetic material in the nucleus that stores inherited information consists of two changes of nucleotides
RNA carries information from DNA to the cell where proteins are made consists of a single change of nucleotide
Spermatogenesis maturing of sperm cells
Oogenesis production of ova within ovaries
Mitosis process of division in which 2 identical daughter cells are produced
Meosis cell division resulting in sperm or ova
Lymphatic system collect fluid that escapes the blood capillaries and returns it to the circulatory system
Lymph vessels collects lymph from lymph capillaries
Diastole filling phase when the heart relaxes
Systole pumping phase when heart is contracted
Anabolic reaction build up of molecules from big to small
Catabolic reaction breaking down of molecules from big to small
Created by: Maddie Rose
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