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20 Cards in this Set
- Front
- Back
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The two functions of mitosis.
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Growth and repair
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The actual division and splitting of the cell's cytoplasm into two is a process called ______________
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cytokinesis
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What triggers a bacteria cell into duplicating its DNA?
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When it reaches adult size
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How long does it take bacteria under ideal conditions to complete one life cycle?
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about 20 minutes
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A chromosome is made of two of the four macromolecules: they are _________ and __________
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nucleic acid and protein
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A ______________ is an arrangement of photographs of a person's chromosomes.
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karyotype
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In each cell you have two chromosomes that contain genes for the same traits. They are ___________________
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homologous pairs
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After your DNA has been replicated, the copy stays attached to the original at the _____________ region of the chromosome.
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centromere
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Give the molecular definition of a gene.
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A string of bases that codes for one polypeptide chain.
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How many homologous pairs of chromosomes does a human have in one somatic cell?
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22-23
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What are the protein spools that DNA winds around called?
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histone spools
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Bacteria do not do mitosis. Instead, they perform a process called ____________.
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Binary Fission
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If the last pair of your chromosome pairs has one long chromosome, you are a __________.
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boy
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After your DNA has replicated, the two pieces stay attached at the ___________. These pairs are called __________ __________.
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centromere/sister chromatids
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True or False: Cytokinesis is performed by bacteria.
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True
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There are approx. __________ genes in one human genome.
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25,000
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Mitosis comes from the word "mitos" which means _________ in Greek.
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threads
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Two sister chromatids are held together at the centromere by a ____________.
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Kinetochore
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Name a somatic cell that has an adult life without a nucleus.
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Red Blood Cell
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The spindle equator is also known as the ____________ ________.
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metaphase plate
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