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Summer Final Part 1
Chapter 9
15
Biology
9th Grade
05/25/2011

Additional Biology Flashcards

 


 

Cards

Term
Interpahse what happens & 3 parts and what occurs in each
Definition
G1 - cell grows
S - Genetic material duplicates
G2- Cell prepares to divide
Term
What is the cell cycle
Definition
Sequence of events from the production of a eukaryotic cell to the time the cell itself reproduces
Term
Mitosis - 4 parts and what occurs
Definition
Prophase - chromosomes are visible
Metaphase - chromosomes gather
Anaphase - chromatids sperate
Telophase - processes of prophase are reversed
Term
Cytokinesis
Definition
Process by which the cytoplasm of a cill is divided in two
Term
Chromosome structure
Definition
[image]
Term
Centromere
Definition
Region where two sister chromatids are tightly joined together
Term
Tumors
Definition
Milignant and benign
Term
Cancer and causes
Definition
Disease caused by severe disruption of the mechanisms that normally control the cell cycle
Term
Meiosis - parts and what occurs
Definition
Type of cell division that produces four cells, each with half as many chromosomes as the parent cell
Term
Terms when homologous pairs do not seperate
Definition
Nondisjunction
Term
Meaning of terms haploid and diploid
Definition

Haploid - having a single set of chromosomes

Diploid - having two homologous sets of chromosomes

Term
Gametes
Definition
Egg or sperm sex cell that contains a single set of chromosomes, one from each homologous pair
Term
Doubled chromosome
Definition
[image]
Term
When are chromosomes first visible?
Definition
Prophase
Term

Difference in cytokinesis between plants and animals

Definition

In animals starts with indentation in cell

In plants a disk forms in the cell and grows outwards

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