Question

Metabolic Pathway	Input	Output (and where output goes next, if it does)
Glycolysis leading to Respiration (EMP pathway)
Fermentation
Prep-Step
Krebs Cycle Aka: Citric Acid Cycle, TCA cycle
Electron Transport Chain
Lipid catabolism (glycerol portion)
Lipid catabolism (fatty acid portion)
Protein catabolism
Photosynthesis (Cyclic Light-Dependent Reactions)
Photosynthesis (Noncyclic Light-Dependent reactions)
Photosynthesis (Light Independent Reactions) Aka: Calvin-Benson Cycle

Pathway/ metabolite	Glycolysis	Prep step	Krebs	ETC	Fermentation	Calvin-Benson cycle
Glucose 6-Phosphate
G3P
3-phosphoglyceric acid
Pyruvic acid
Acetyl-CoA
Oxaloacetic acid
Dihydroxyacetone phosphate (DHAP)
Ribulose bisphosphate (RuBP)

Answer 1

Metabolic pathway	Input	output and its fate
Glycolysis	Glucose	pyruvate enters Kreb's cycle
Fermentation	Carbohydrates	lactic acid (animals), ethanol and glycerol (yeast) Fate is further aerobic oxidation.
Prep-step of Kreb's cycle	pyruvate	Acetyl CoA This can either enter TCA cycle or can be utilized for fatty acid synthesis.
TCA cycle/ citric acid cycle/ kreb's cycle	Acetyl CoA and oxaloacetate	oxaloacetate Can be reused in TCA cycle or can be converted to glucose by gluconeogenesis.
Electron transport chain	NADH/ FADH2 / NADPH	ATP utilized for energy andin several adenylation reactions
Lipid catabolism (Glycerol portion)	glycerol is freed by beta oxidation of triglyceride	glycerol is utilized for fatty acid synthesis
Lipid catabolism (fattyacid portion)	saturated and unsaturated fatty acids, phospholipids, all types of lipids	acetyl CoA and other branched substances like phosphate residue, galactose from cerebroside, depending on the lipid catabolized
Protein catabolism	Protein	oligopeptides, dipeptides, aminoacids. Aminoacids are reused for protein synthesis or enter gluconeogenesis
Photosynthesis (cyclic light dependent reactions)	electron transport only in photosystem I	ATP
Photosynthesis (light dependent noncyclic reactions)	electron transport in photosystem II and photosystem I	1 molecule of ATP and 1 molecule of NADPH per electron pair
Photosynthesis, light independent reaction: Calvin cycle	3 ribulose 1,5-bis phosphate + 3 CO2 + 6ATP + 6NADPH	3ribulose 1,5- bis phosphate+ 1 glyceraldehyde 3 phosphate (this is converted to carbohydrate)

Pathway/ metabolite	glycolysis	prep-step	Kreb's cycle	ETC	Fermentation	Calvin cycle
Glucose-6-phosphate	produced by hexokinase in glycogenesis pathway and after a series of reactions finally converted to glycogen
G3P (glyceraldehyde 3 phosphate)	produced as an intermediate in glycolysis and isomerised to dihydroxy acetone phosphate. Finally fated to pyruvate			8 ATP are produced from glycolysis	fermentation product is lactic acid	G3P is an intermediate. In every cycle, 1 molecule is used for glucose synthesis while others are used for regeneration of RuBP.
3-phospho glyceric acid	An intermediate in glycolytic pathway which is finally converted to pyruvate				fermentation product is lactic acid	An intermediate formed by the carboxylation of ribulose bis phosphate
Pyruvic acid	Final product of glycolysis which is converted either to lactic acid or to acetyl CoA	pyruvate is oxidatively decarboxylated to acetyl CoA		complete oxidation in ETC produces 15 ATP molecules	This anaerobic oxidation produces lactic acid
Acetyl CoA		Product formed from pyruvate	substrate for TCA cycle	Produces 15 molecules of ATP in one cycle
Oxaloacetic acid			final product of TCA cycle
Dihydroxy acetone phosphate ---------------------Ribulose bis phosphate (RuBP)	DHAP is one intermediate, 3 carbon compound in glycolysis -----------------			DHAP on Complete oxidation produces 8 molecules of ATP in glycolysis-------------	DHAP finally produces lactic acid -----------------	-----------------RuBP is the substrate for calvin cycle and