chromosomes and cell division by steepslope9876

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									Quick Questions About Chromosomes And Cell Division
1.   a]   In what part of a cell are chromosomes found?     12. What type of cell division is used when……
     b]   From what chemical are chromosomes made?              (write mitosis or meiosis in full)
                                                                a]   a rose cutting develops into a new plant
2.   a]   What is the name for one chromosome arm?
                                                                b]   pollen is produced in a daisy
     b]   What is the name for the point where
                                                                c]   a poppy seed germinates
          separate chromosome arms meet?
                                                                d]   sperm are produced in human testes
3.   a]   What is it called when DNA                            e]   ova are produced in penguin ovaries
          makes a copy of itself?                               f]   the muscles of a body builder become larger
     b]   Which DNA base pairs                                  g]   a polar bear zygote develops into a foetus
          with adenine?                                         h]   a strawberry plant produces a runner
     c]   Which DNA base pairs                                  i]   bacteria reproduce asexually
          with guanine?                                         j]   a buttercup stem becomes thicker?
4.   What pulls the chromosomes                             13. How many chromosomes do……
     apart during cell division?                                a] diploid human cells have
5.   a]   What type of cell division produces two cells?        b] haploid human cells have?
     b]   Which of these processes involve this type        14. Are these cells haploid or diploid……
          of cell division: tissue growth; tissue repair;       (write haploid or diploid in full)
          asexual reproduction; gamete production?              a]   the cells of a dandelion petal
     c]   Are genetically identical cells made?                 b]   mammalian liver cells
     d]   If the parent cell has 16 chromosomes, how            c]   pollen grains on a lobelia anther
          many does each new cell have?                         d]   the sex cells of a giraffe
6.   a]   What type of cell division produces four cells?       e]   human white blood cells
     b]   Which of these processes involve this type            f]   the gametes of a toad
          of cell division: tissue growth; tissue repair;       g]   hamster brain cells
          asexual reproduction; gamete production?              h]   the ova of a geranium
     c]   Are genetically identical cells made?                 i]   the sperm cells of a goldfish?
     d]   If the parent cell has 16 chromosomes, how        15. If bacterial cells reproduce every half hour; how
          many does each new cell have?                         many cells will be produced from one cell after
7.   a]   Is mitosis or meiosis sometimes called                eight hours?
          reduction division?                               16. a]   What two sex chromosomes do human
     b]   Is the number of chromosomes halved or                     females have?
          quartered during reduction division?                  b]   What two sex chromosomes do human
8.   What word describes a section of chromosome                     males have?
     that controls one characteristic?                          c]   What sex chromosome must a boy inherit from
                                                                     his father?
9.   A gene contains the genetic code for making a
     single protein. Where in a cell are proteins made?     17. a]   What is the name for genetically identical
                                                                     individuals or cells?
10. Name the protein(s) that……
                                                                b]   Does sexual or asexual reproduction give rise
    a] controls blood glucose level in humans
                                                                     to variation?
    b] digests fats in humans
                                                                c]   Does sexual or asexual reproduction give rise
    c] catalyse biochemical reactions in all cells
                                                                     to clones?
    d] are found in human blood and bind to antigens
    e] binds with oxygen in red blood cells                 18. a]   What word describes the fusion of gametes
    f] digests carbohydrates in humans.                              during sexual reproduction?
                                                                b]   What word describes the fertilised egg
11. a]    What is the name for human male gametes?
                                                                     produced?
    b]    Where in the human body are they produced?
    c]    What is the name for human and plant female
          gametes?
     d]   Where in the human body are female gametes
          produced?
     e]   What is the name for plant male gametes?
                                                                          KRf2492755-69b9-452a-9f3d-a9a445760de7.doc

								
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