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Bio Lab
Cell Math
17
Biology
Undergraduate 1
09/25/2012

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Term
Meiosis
Definition
a type of cell division that results in two daughter cells each with half the chromosome number of the parent cell, as in the production of gametes
Term
Mitosis
Definition
a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
Term
Chromatids
Definition
The two replicates of chromosomes, attached by a centromere.
Term
Centromere
Definition
The part where the two chromatids are attached to one another.
Term
Cytokenesis
Definition
The division of the cytoplasm containing the doubled organelles.
Term
Interphase
Definition
When a cell is not in a process of division, when the DNA replicates.
Term
Prophase
Definition
The first stage of mitosis, when the nuclear envelope disappears, chromatic coils and condenses, and a spindle apparatus appears.
Term
Spindle Apparatus
Definition
A structure that seperates the chromatids during mitosis., which appears as a field of strands at opposite ends of the cell.
Term
Metaphase
Definition
The third phase of mitosis, where the nuclear envelope completely disappears, the spindle apparatus is well developed and the contromeres attach to the spindle and line up in the equator.
Term
Anaphase
Definition
The fourth phase of mitosis where the chromatids divide and move toward opposite ends of the cell.
Term
Telophase
Definition
The final stage of mitosis where a new nuclear envelope forms around each group of chromosomes and the spindle disappears.
Term
Diploid cell
Definition
A cell that contains 2 of each kind of chromosome, called homologous chromosomes.
Term
Homologous chromosomes
Definition
The two kinds of chromosomes a diploid cell contains.
Term
Haploid cell
Definition
A cell that contains only one kind of each chromosome.
Term
Meiosis phases
Definition
are the same as mitosis, but there each stage occurs twice.
Term
Tetrads
Definition
The part that the chromatids in meoisis form between them.
Term
Benedict's Test
Definition
A test for the presence of simple sugars such as glucose which will change the color of the liquid when sensed.
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