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5 Written questions

5 Matching questions

  1. What is the difference between spermatogenesis and oogenesis?
  2. Are there any difference in the risks of drug usage of legal versus illegal drugs?
  3. What are the steps in DNA replication? How would you describe the final outcome?
  4. How does the number of chromosomes in a human gamete vs. a human somatic cell?
  5. Why did Mendel use garden peas?
  1. a 1) They have very contrasting traits
    2) Can both self-pollinate and cross pollinate
    3) Easy to grow
  2. b Spermatogenesis is for males and it goes through meiosis 1 and meiosis 2 to create 4 haploid gametes that change into sperm cells.

    Oogenesis is for females and it goes through 2 stages of meiosis to create 1 ovum and 3 other polar bodies.
  3. c 1) Unwinding and separating DNA strands
    2) Adding complementary bases
    3) Formation of two identical DNA molecules
    Two daughter strands are made of half old and half new
  4. d The effects are similar but using illegal drugs or using legal drugs illegally increase the risk of jail time.
  5. e Human gamete: 23 chromosomes (one sex chromosome and 22 autosomes)
    Human somatic cells: 46 chromosomes (two sex cells and 44 autosomes)
    Somatic cells are twice as big as gametes.

5 Multiple choice questions

  1. Bacterial STDs, Viral STDs, Parasitic STDs
  2. ...
  3. 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
  4. The idea that breeders may select traits that are more desirable by using only certain types of breeds that have the traits they want
  5. The link between microevolution and macroevolution, and is the formation of new species

5 True/False questions

  1. Chapter 14Mutation in the cell cycle

          

  2. What makes up a nucleotide in DNA? RNA?In DNA: Adenine with Thymine, Guanine with Cytosine
    In RNA: Adenine with Uracil, Guanine with Cytosine

          

  3. What is the difference between the haploid number and the diploid number?Introns are non-coding segments of mRNA which are cut out of the mRNA after transcription
    Exons are coding segments of mRNA which are spliced together after the introns have been removed.

          

  4. What are the 3 types of RNA? Describe each.Point mutation- caused by change of a single nucleotide (usually silent mutation)

    Insertion or Deletion- caused by addition or subtraction of one or more nucleotides in a sequence (frameshift mutation)

    Silent mutation- caused by change in a nucleotide of a gene but that change has no effect on the protein produced (usually point mutation)

    Missense mutation- results when a codon is changed and causes a different amino acid to be put into the protein (replacement mutation)

    Frameshift mutation- caused by addition or deletion of nucleotides (insertion or deletion)

    Nonsense mutation- results when a codon for an amino acid if changed to a stop codon
    -amino acids usually cut short

          

  5. What are the types of asexual production? Briefly describe each.Point mutation- caused by change of a single nucleotide (usually silent mutation)

    Insertion or Deletion- caused by addition or subtraction of one or more nucleotides in a sequence (frameshift mutation)

    Silent mutation- caused by change in a nucleotide of a gene but that change has no effect on the protein produced (usually point mutation)

    Missense mutation- results when a codon is changed and causes a different amino acid to be put into the protein (replacement mutation)

    Frameshift mutation- caused by addition or deletion of nucleotides (insertion or deletion)

    Nonsense mutation- results when a codon for an amino acid if changed to a stop codon
    -amino acids usually cut short

          

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