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Bio-Interdependence

QuestionAnswer
Biology study of living things
Biologist someone who uses scientific methods to study living things
All living things share the following -made up of cells -can reproduce -are based on DNA -growth and development -all have materials & energy -respond to their enviorment -maintain stable & internal enviorment -change overtime
cells collection of living matter enclosed by a barrier that separates it from surroundings
cells are basic... small units of life
unicellular single celled organism
muliti cellular many celled organism
sexual when 2 paretns create a genetic offspring
asexual one parents makes a clone of itself
metabloism combination of chemical reactions where an organism uses materials to survive
stimulus signal where an organism responses; can be internal or external
homeostasis process where an organism keeps internal conditions constant to survive
zoology study of animals
botany study of plants
paleontology study of ancient life
carbohydrates compounds made up of carbon, hydrogen &oxygen atoms usually ration of 1:2:1..ex: sugars, starches & cellulose
living things use carbohydrates
energy from cell activities come from immediate breakdown of sugars (glucose)
extra sugar is stored as complex carbohydrates knwon as startches
lipids macromolecules made mainly from carbon & hydrogen atoms &glycerol (fats, oils, waxes etc.)
Lipids are used for.. storing energy, insulate, repel water & form membranes
nucleic acids macromolecules containing hydrogen, oxygen, nitrogen, carbon & phosphorus. Contains genetic/hereditary info
nucleic acids are assembled from nucleotides
nucleotides monomers of nucleic acids made up of -5 carbon sugar -phosphate group -nitrogenous base
DNA carries instructions that control the activities of a cell
RNA uses those instuctions to make/build proteins
proteins macromolecules that contain nitrogen, carbon, hydrogen & oxygen
Proteins are made up of.. amino acids
amino acids compounds with an amino group on one end & a carboxyl group on the other end
Amino acids are building blocks of.. proteins
20 sifferent amino acids are used to build proteins.. different combos=different proteins
what do proteins do for the body.. control rate of reactions and regulate cells processes -form bones, muscles and hormones -transport substances in or out of cells 7 fight diseases(anti-bodies)
enzymes proteins that help control chemical reactions. Can speed up reactions (digestion)
nutrients substances in food that provide the raw materials and energy the body needs for essential processes. Keeps the bod cells functioning, growing & replicating
nutrients are made of chemical elements including carbon, oxygen, hydrogen,nitrogen & phosphorus
vitamins chemical compounds needed by the body in small amounts to strenghten immune system, grow, repair damaged cells/tissues
vitamins are supplied to the body by well balanced diet
vitamin a liver problems hair loss rough skin. carrotts are good source
vitamin b2 eye problems & cracking skin
vitamin b3 mental problems rash & diarrhea
vitamin c sore mouth beleding gums & bruises
vitamin d bow legs, rickets & poor teeth
mineral chemical compounds needed in small amounts to help form important cell parts
iron used for blood. risk=anemia which cause fatigue & brusing
calcium used for strong bones and teeth. risk= osteoporosis later in life
magnesium used bones and teeth. risk=severe muscles twitches that can become painful
iodine make chemicals in thyroid(in salt) risk=development of goiter
sodium used for muscle contractions and nerve messages
water fluid made up of hydrogen & oxygen that makes 50-60% of human
average adult needs how much water.. 2 liters a day
body uses water too -re-hydrate the body by replenishing liqiuds -flush out toxins -control body temp.
Created by: oeick
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