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Biology Exam 2
Terms in this set (41)
What does cellular respiration require?
Food (macromolecules) and oxygen
What does cellular respiration release?
Carbon Dioxide and water
What is cellular respiration?
Breaking down macromolecules to harness energy/ converts energy stored in chemical bonds into energy used by cells
Where does glycolsis happen?
What is split during glycolsis?
Sugar is split
Where does the Citric Acid (Kreb) Cycle happen?
Inside the Matrix
What are the products of cellular respiration?
Water, Carbon Dioxide, ATP
What most directly powers the synthesis of ATP inthe electron transport chain?
What do plant pigments like chlorophyll convert to?
Light energy to Chemical energy
What 4 plant pigment colors are there?
Red, Yellow, Blue, Green
Where does photo stem 2 happen?
Happens in the Thylakoid Membrane
Where does photo stem 1 happen?
Happens in the Stroma
What is respiration?
When living organisms produce energy by taking in oxygen and releasing carbon dioxide by breaking down complex carbon compounds.
What are the 3 big groups of organisms?
Animals, Plant, Bacteria
How many chromosomes does the egg have?
How many chromosomes does the sperm have?
How many chromosomes does a human have?
How many chromosomes does a zygote have?
Zygote to an adult is ____?
Adult to sperm/egg is __________?
What are the base pairing rules?
A-T and C-G
Chromosome = ________?
One molecule of DNA
What are the 2 forms of DNA?
Chromosomes and chromatin
What do you need to make a copy of a cell?
Need 2 full copies of DNA (2 Nuclei)
What is a Genome?
All the DNA in a nucleus
What does a new cell need from the "parent cell"?
Full copy of the DNA
What is daughter DNA?
1/2 old and 1/2 new
A diploid has?
Paired chromosomes and is 2x DNA of a haploid cell
A haploid has?
A Karyotype is?
A gene is?
Length of DNA
How do you count chromosomes?
During gap 1...
cell is doing its thing
During gap 2...
cell prepares to divide
Division of nucleus
2 Nuclei in 1 cell
DNA is in chromatin structure, chromatin to chromosome, cell builds centrosome
Centrosomes move to the poles of the cell
duplicated chromosomes are pulled to the equator (Metaphase Plate)
Sister chromatids split
Sister chromatids move to the poles and reverse of prophase
build a wall before they can split
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