Exam 3
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What does Diploid mean?
2N
What does Haploid mean?
1N
What cells are Diploid?
Parent Cells
What cells are Haploid?
Child Cells
What does 1N mean?
1 pair of 2 chromosomes
How many Megaspores are produced?
4 are produced in female parts and only 1 is used
How many nuclei does the useful Megaspore have in the end?
8 nuclei, but only 3 are important (The 2 polar and the egg cells)
What are Microspores comprised of?
2 sex cells and a tube
What are Somatic Cells?
Sex Cells
When does Photophosphorylation occur?
Photosynthesis
What is Photophosphorylation?
Attaches phosphorous to ADP using light energy to make ATP
Exergonic
Energy is released. Energy then used to make ATP
Endergonic
Energy is required. ADP is made
Hydrolysis
Breaks bond of phosphorous in ATP to make ADP
What is created in Glycolysis?
2 ATP (4 if you don’t count the 2 that were used to start glycolysis), 2 NADH, and 2 Pyruvate
Is Glycolysis aerobic or anaerobic?
Anaerobic
What happens in Cellular Respiration when there is no oxygen?
Fermentation
Where does Fermentation take place?
The cytosol
What is produced from Fermentation?
Alchohol in plants, lactic acid in animals.. along with CO2 and NAD+
Are the Krebs Cycle and the Electron Transport Chain Aerobic or Anaerobic?
Aerobic
What are the 3 major steps of Cellular Respiration?
• Glycolysis • Krebs Cycle (Aerobically), Fermentation (Anaerobically) • Electron Transport Chain
Where does Glycolysis Take Place?
The Cytosol
Where does the Krebs Cycle Take Place?
Inner Mitochondrial Membrane
What is the purpose of NADH in Cellular Respiration?
Carries pyruvate to the electron Transport Chain