BIOCHEM PART 1- metabolism

Intermediary or Primary Metabolism

Collection of reactions responsible for the generation of ENERGY for the cell, and USE this energy and small organic precursor molecules to make more complicated molecules for the cell

Anabolism

synthesis of new or more complicated molecules from SIMPLE precursors

Catabolism

collection of reactions responsible for the BREAKDOWN of energy-yielding molecule

Requiring

Endergonic is a an ATP ________

Producing

Exergonic is an ATP ________

Amphibolism/Amphibolic

BOTH Catabolic and Anabolic

• Example: KREB’S CYCLE

Hydride

Ion of Hydrogen that has 2 electrons

Hydrogen atom

Ion of Hydrogen that has 1 electron and 1 proton

Hydrogen ion

Ion of Hydrogen that ONLY has 1 proton

ATP

Key carrier of an activated CHEMICAL GROUPS (in a chain of phosphoanhydride linkages)

1. Nucleobase,

2. Sugar, and

3. Triphosphate group

A nucleotide is composed of what?

TRUE

TRUE OR FALSE

When the phosphoanhydride linkages are hydrolyzed, free energy is released

30.5

Free energy is equivalent to what Kj/mol?

CO-ENZYMES

Co-factors in enzymatic reactions (small organic molecules)

Co-enzyme A

Carrier of activated ACYL groups

Pantothenic acid

Vitamin precursor of co-enzyme A

TRUE

TRUE OR FALSE

Co-enzyme A also carries Mercaptoethylamine (-SH group)

Acetyl

In Co-enzyme A, it transfers 2-carbon _______ groups in fuel oxidation

fatty acid synthesis

In Co-enzyme A, it carries longer alkyl chain building block for ____

Redox co-factors

Nicotinamides and Flavins are part of what?

Niacin or Nicotinic acid

Precursor of Nicotinamide

Tryptophan

Niacin comes from?

2 electrons

Nicotinamides can carry______ e-

2 electrons

Nicotinamides can also transfer ____ electrons at a time

Hydride

Nicotinamide can accept a ____ ion (H ion with 2 e-)

NADH

important in oxidation of fuel molecules

NADPH

important in biosynthesis of certain compounds (fatty acids)

RIBOFLAVIN (V.B2)

Vitamin precursor of Flavins

2 electrons and 2 protons

Flavins can carry ___ electrons and ___ protons

1 electron

Flavins can transfer ___ e at a time

2.5 ATPS

In Electron Transport Chain; one unit of NADH has ____ ATPs

1.5 ATPS

In Electron Transport Chain; one unit of FADH2 has ____ ATPs

Co-enzyme A

Transfers acetyl group to oxaloacetate to form citrate