Science test for second nine weeks.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the simplest sugars? | Glucose or C H O
6 12 6
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| What is Glycogen? | a carbohydrate found stored in liver and muscles of animals and can be converted back to glucose.
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| What is found in exoskeletons of arthropods, or lobster etc.,? | Chitin
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| What is the main function of carbohydrates? What are the others? | To supply energy at a fast rate.
Long Term energy storage
make cell walls and membranes
Compounds of DNA or RNA
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| What does ATP stand for and what is it? | Adenosine Triphosphate and is a stored energy.
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| What is the most complex carbohydrate? | Starch.
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| What are the four organic compounds? | Carbohydrates, Proteins, Lipids, Nucleic Acids
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| What carbohydrate is found in a plant cell? | cellulose
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| What is made of fatty acids and glycerol? | Lipids
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| What are the main functions of Lipids? | Supply energy at a slow rate
Insulation of organs
cushions skin
used to make new cell membranes
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| What are the 4 types of Lipids? | fats(solid), Oils(liquids), wax(found on plants and fruits), Steroids
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| What makes up cell membranes? | Phospholipids
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| Is the head of molecule hydrophilic or hydrophobic? | Hydrophilic
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| Which is the tail? Hydrophilic or Hydophobic? | Hydrophobic
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| What is it called when a ball is formed when phospholipids is placed in water? | Micelle
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| Proteins are made of? | Amino acids
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| What are Nucleic acids made of? | nucleotides
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| What is the "code of life" or "master blueprint"? | DNA
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| Nucleotides consists of? | Phosphate, sugar(deoxyribose or ribose), And nitrogen containing bases
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| What are the functions of Proteins? | Support collagen to give frame to animal tissue
carry oxygen (red blood cells)
defend the body(antibodies)
carry information to various parts of the body(Hormones)
speed up or slow down chemical reactions(Enzymes)
growth and repair o cells
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| What are the two types of Nucleic acids? | DNA and RNA
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| What does DNA do? | instructions for making protein
genetic material
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| What does DNA stand for? | deoxyibonucleic acids
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| What does RNA stand for? | Ribonucleic acids
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| What does RNA do? | carries the code of DNA to the ibosomes
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| 2 types of compound? | organic or inorganic
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| Simplest substance made of only 1 kind of atom? | element
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| Two or more elements chemically combined to make a new substance? | Compound
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| Water is an example of which compound? | inorganic
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| Compound containing carbon is? | organic
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| Transfer molecule is | tRNA
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| Messenger molecule is | mRNA
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| Proteins are made from chains of | aminoacids
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| Carbohydrates are made from chains of | gulcose molecules
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| If molecules are going from low concentration to higher concentrations and requires energy to do so, what is i called | Active transport
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| If molecules are going from high concentration to lower concentrations and doesn't requires energy to do so, what is it called | Diffusion or Passive trasport
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| What is the special word for the diffusion of water? | Osmosis
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