BIO 100 - Exam 4

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  1. Following their production in the seminiferous tubules, immature sperm cells are transferred to the ________.
    epididymus
  2. Sperm and egg cells contain half of the ________ number of chromosomes found in body cells.
    haploid
  3. The muscular layer of the uterus that provides the force necessary to expel the baby during birth is the ________.
    myometrium
  4. The regular pattern by which oocytes grow, mature, and are released from the ovary is known as the ________.
    ovarian cycle
  5. As a primary oocyte develops within a follicle of the ovary it is nourished by ________ cells.
    granulosa
  6. In humans, fertilization occurs in the ________.
    oviduct
  7. The cell formed by the union of egg and sperm during fertilization is the ________.
    zygote
  8. The process of a cell going from an unspecialized function to a specialized function is called ________.
    differentation
  9. As mitosis continues, the 32 cell ________ develops into the blastocyst.
    morula
  10. The ________ becomes the blood vessels in the umbilical cord.
    allantois
  11. During labor, full dilation of the cervix signifies the end of the _______ stage.
    dilation
  12. The important organ systems, that cause death if they fail, are the brain, the cardiovascular system, and the ________ system.
    respiratory
  13. Initiation of translation begins with tRNA binding to a ________ on mRNA.
    start codon
  14. Following replication of chromosomes, sister chromatids are held together by a  _________.
    centromere
  15. Short segments of DNA that contain codes for the structure of one or more proteins are ________.
    genes
  16. The beginning of each gene in DNA is marked by the presence of a unique base sequence called the _______.
    promoter
  17. Anticondons are located on ________.
    tRNA
  18. Meiosis in females is not complete until ________ occurs.
    fertilization
  19. A ________ forms during cytokinesis as contractile filaments int he cell tighten.
    cleavage furrow
  20. Alternative versions of the same gene are ________.
    alleles
  21. In ________, the phenotype of the heterozygous genotype is an intermediate between the phenotype of either homozygous genotype.
    incomplete dominance
  22. A phenotype is determined by _________ and _________.
    genotype, environmental factors
  23. The separation of pairs of alleles during meiosis is called ________.
    segregation
  24. Genes located on the same chromosome are not always inherited together because of the process of ________, which occurs during meiosis; this process "reshuffles" the genes.
    crossing-over
  25. The process by which a piece of a chromosome breaks off and then attaches to another chromosome is _________.
    translocation
  26. In order to synthesize DNA in a laboratory, the enzyme ________ must be used to facilitate the addition of nucleotides on the new strand.
    DNA polymerase
  27. In recombinant DNA techonology, DNA is cut at a specific nucleotide squences by ________ enzymes.
    restriction
  28. Restriction enzymes only cut specific sections of DNA called ________.
    palindromes
  29. The process of producing pharmaceuticals in farm animals is _________.
    gene pharming
  30. Gene therapy requires that genes be delivered to cells and incorporated into the cells DNA; transporters of these genes are known as ________.
    vectors
  31. Programmed cell death is somatic cells is known as ________.
    apoptosis

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Author:
tt23
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273893
Filename:
BIO 100 - Exam 4
Updated:
2014-05-09 23:10:31
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