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Test #2
LAB
9
Biology
Undergraduate 1
10/09/2008

Additional Biology Flashcards

 


 

Cards

Term
Cell Division
Definition
includes division of the cytoplasm and the nucleus
Term
Chromatin
Definition
when the cell is not undergoing division, the DNA and associated proteins are represented by thin, threadlike strands of protein in nucleus called chromatin.
Term
Chromosomes
Definition
highly coiled DNA molecules and associated proteins
Term
There are....
Definition

44 autosomes (22 pairs)

and 2 sex chromosomes ( 1pair)

Term
Human cells consist of....
Definition

Plasma membrane

Cytoplasm w/organells that carry out function

Nucleus-w/ DNA and associated proteins

Term

The cell Cycle

Division has 4 Stages:

Interphase-the longest stage consists of

Definition

1) G1-doubles the organelles

2) S-DNA replication

3) G2- the cell synthesizes proteins needed for cell division

Cell Division- includes mitosis(nucleus) and cytoplasm division

Term
Mitosis is...
Definition
somatic cell division that results in two identical diploid daughter cells, thus the same amount and same kind of genetic material.
Term
DNA Replication...
Definition
results in a duplicated chromosome that consists of 2 sister chromatids held together at the centromere.
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