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Biology Final Cell Energy
vocab and definitions
33
Biology
10th Grade
06/12/2010

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Term
Cellular Respiration
Definition
process by which cells break down organic compounds and produce energy in the from ATP
Term
Aerobic Respiration
Definition
  • requires oxygen
  • used by compound organisms
  • production of larger amount of ATP
Term
Anaerobic
Definition
  • no oxygen required
  • simple organisms
  • little ATP produced
Term
Glycolysis
Definition
  • glucose splitting
  • requires no oxygen
  • occurs in cytosol
Term
Cristae
Definition
folds in inner membrane (ETC)
Term
Kreb's Cycle
Definition

occurs in Mitochondria

(Citric Acid cycle)

Term
Cell division
Definition
reproduction of cells, when on cell splits into two
Term
Stem cells
Definition
cell is not specilaized, not differentiated and becomes any cell
Term
Karotype
Definition
photograph of chromosomes
Term
Autosomes
Definition
all chromosomes except the sex chromosomes
Term
Sex chromosomes
Definition
1 pair, female - XX, male - XY
Term
Homologous chromosomes
Definition
similar chromosomes
Term
Diploid
Definition
full number of chromosomes
Term
Haploid
Definition
half the number of chromosomes
Term
Cell Cycle
Definition
all the events that occur in the life of a cell
Term
Interphase
Definition
the time when a cell is not dividing
Term
G1
Definition
the cell grows
Term
S1
Definition

the cell doubles its chromosomes

(Synthesize)

Term
G2
Definition
cell grows more and then duplicates organelles
Term
Mitosis
Definition

nuclear division

(precise)

Term
Cytokenesis
Definition
cytoplasm divides
Term
Cleavage furrow
Definition
indentation that occurs in telophase of an animal cell
Term
p53
Definition
guardian angel, monitors the accuracy of DNA replication
Term
Mitosis
Definition
purpose is to produce two identical cells
Term
Meiosis
Definition

take the number of chromosomes and reduce it by half

(gametes)

Term
Synapsis
Definition
attraction between homologous chromosomes
Term

Genetic Recombination

 

Definition
new combination of genetic material due to crossing over
Term
Tetrad
Definition
two homologous chromosomes each with their sister chromatids
Term
Crossing over
Definition
exchange of genetic material between two homologous chromosomes
Term
Spermatogenosis
Definition
production of sperm cells
Term
Oogenesis
Definition
production of egg cells
Term
Independent Assortment
Definition
random sorting of chromosomes
Term
Random Event
Definition
which spern fertilizes which egg is random
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