Grade 10 Bio

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  1. What is an organic compound?
    Contains Carbon and hydrogen
  2. What elements are contained in carbohydrates?
    C, H, O in a 1:2:1
  3. What are the building blocks of proteins?
    Amino acids
  4. What elements are in proteins?
    C, H, O, N and sometimes S
  5. What is the smallest unit of a carbohydrate?
  6. Glucose is an example of a...
  7. By what process do two monosaccharides bind together?
    Condensation reaction (water is removed)
  8. How do you split a disaccharide?
    Hydrolysis (water splitting)
  9. Give 3 examples of polysaccharides
    • starch
    • cellulose
    • glycogen
  10. What is the test for starch?
    Iodine (goes blue black if starch is present)
  11. What is the test for simple sugars
    Benedicts (goes orangey red)
  12. What is the test for Protein?
    • Biuret test
    • Potassium hydroxide and copper sulphate
  13. What are the tests for fats?
    • Emulsion test
    • Grease spot test
  14. What are the bases of DNA?
    • G-C
    • A-T
  15. What does DNA stand for?
    deoxyribonucleic acid
  16. What are the three parts of a nucleotide?
    base, phosphate and deoxyribose sugar
  17. How is sex determined?
    • Chromosome pair 23
    • XY = male
    • XX = female
    • Sex is inherited
    • X chromosome is longer than Y
  18. What is the difference between meiosis and mitosis?
    • Meiosis = only in ovaries and testes. Makes gametes (sex cells)
    • Mitosis = used in all cells except ovaries/testes. Used in growth, replacement, repair
  19. What are the 4 kinds of base in DNA?
    • Adenine
    • Thymine
    • Guanine
    • Cytosine
    • A-T
    • G-C
  20. What does haploid mean?
    Half the genetic information (HAploid = HAlf)
  21. What's a gene locus?
    The position of a gene on a chromosome
  22. What is an enzyme?
    A biological catalyst
  23. What are differences between biological and chemical catalysts?
    • Biological = made from protein and can be denatured by high temperature or wrong pH
    • Chemical = not made of protein, can't be denatured
  24. Where does a substrate bind on an enzyme?
    Active site
  25. What is the independent variable?
    The variable that you manipulate or change in an experiment. You must only have ONE of these.
  26. What is the dependent variable?
    The one that you record or measure as you are doing the experiment.
  27. What are the controlled variables?
    You should have many of these.  These are the things that you are keeping the same so that it is a fair test.
  28. If you are making a genetic cross with ONE trait this is called....
    monohybrid inheritance
  29. A capital letter in genetic crosses refers to...
    dominant allele
  30. A lower case letter in genetic crosses refers to....
    recessive allele
  31. In genetic crosses RR is...
    homozygous dominant
  32. In genetic crosses rr is...
    homozygous recessive
  33. In genetic crosses Rr is...
Card Set
Grade 10 Bio
All the fun stuff we did in G9 and G10
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