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5 Written questions

5 Matching questions

  1. What does it mean when it is said that marijuana is a gateway drug?
  2. What are homologous structures? What information do they provide us with?
  3. Chapter 13
  4. Which drug is hardest to quit after one use?
  5. What role did Watson and Crick play in the discovery of the structure of DNA?
  1. a Built a 3D model of a DNA molecule
  2. b It mean that it is the drug that is most likely to lead to other more intense drugs.
  3. c ...
  4. d Tobacco
  5. e Characteristics that are similar in two or more species and that have been inherited from a common ancestor of those species.
    Provides information of common ancestry between species.

5 Multiple choice questions

  1. The idea that breeders may select traits that are more desirable by using only certain types of breeds that have the traits they want
  2. ...
  3. Genotype- the combo of 2 alleles that determines a trait.
    Phenotype- trait that results from a given combination of alleles.
    Genotype determines phenotype
  4. Sex chromosome: chromosomes that determine the sex of a offspring
    1 in human gametes
    2 in human somatic cells

    Autosomes: chromosomes that carry genes for all trats except the sex of the offspring.
    22 in human gametes
    44 in human somatic cells
  5. Chromosomes that are similar in shape, size and kind of chromosomes they carry.

5 True/False questions

  1. Can scientists predict the path of evolution?Several species of a animal evolving from a common ancestor and through the generations as they move to different environments they all evolve with their environment becoming new species

          

  2. Why did Mendel use garden peas?1) They have very contrasting traits
    2) Can both self-pollinate and cross pollinate
    3) Easy to grow

          

  3. Describe 7 properties of life1) cellular organization- all living things are made of one or more cells.
    2) metabolism- the sum total of all chemical reactions.
    3) homeostasis-the ability to maintain stable internal conditions with a changing external environment.
    4) responsiveness- reaction to environment.
    5) reproduction- making more of oneself.
    6) growth- developing
    7) heredity- passing of traits from parent to offspring.

          

  4. What is speciation?The link between microevolution and macroevolution, and is the formation of new species

          

  5. What is the purpose of a test cross?Is a vaginal infection caused by a fungal organism causing discharge, vaginal itching, painful urination and can usually be cured by pre scripted medicine.

          

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