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* Cell Respiration & Photosynthesis Cycle
All living organisms do some form cell respiration.
Only producers do photosynthesis.
* Cell Division and Cancer
Nucleotides are the monomers of DNA
Four DNA nitrogenous bases:
Adenine -> Thymine
Cytosine -> Guanine
** Cell Division & Cell Cycle
stem cell - cells form which specialized cells are generated
apoptosis - programmed cell death
balance between generation and death
Interphase
G1 -> S -> G2
** DNA Replication during S of interphase
DNA is "unzipped"; hydrogen bonds between base pairs break
Single-stranded DNA used as a template
Base pairing rules followed
DNA Polymerase is the main enzyme of DNA replication
Semi-conservative replication
** Anatomy of a Chromosome
chromoseome: double-stranded DNA wound around proteins
sister chromatids: identical double-stranded dna molecules that result from DNA replication
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