Modify the given molecule to show the product of the oxidation reaction using FAD as the oxidizing agent. Include the appropriate hydrogen atoms and charges. Select Draw Rings More -CH₂-CH₂-C-0 C +FADH₂ = | FAD 0 C 0 H H Erase H

Step 7 of the citric acid cycle is shown. Which statement best describes what occurs in this step? CO₂ 1 CH || CH + H₂O CO₂ fumarate CO₂™ fumarase HO C-H CH₂ CO₂ malate A) Fumarate undergoes hydrogenation with hydrogens and electrons provided by the enzyme fumarase. B) Fumarate undergoes hydration with the aid of the enzyme fumarase. C) Fumarate undergoes hydrolysis with the aid of the enzyme fumarase. D) Fumarate undergoes reduction with the aid of the cofactor fumarase.

Predict the product of each monosaccharide reaction. Modify the molecule to show the product of the reaction. Atoms or bonds may need to be added or removed. 0=0 H-C-OH Н HTC OH H-C-OH H2C-OH 0=0 Н H-C-OH H-C-OH H2C-OH oxidation reduction Reaction A K Select / S С 01 Reaction B Select Draw 1 С Draw / 4 11 C C Rings 0 Н н-с HICOH н — с — Rings More H— с - он Н — он он 0 H нс — он — H- More H-C ОН с-он OH H. C ОН Erase Q2 Q О ▸ Erase 20

Question 4 Select the carbon in the following molecule that provides the most energy upon oxidation. OO (Ⓒ) C4 C1 Question 5 HO Identify the inaccuracy in the following equation: NAD +FAD-NADH+H+FADH Use the editor to format your answer 2 CH 2 CH₂ -CH H₂C- OH

1. Identify the most likely additional substrates, products, and coen- zymes for each reaction in the following imaginary pathway. COO Н—с—NH— сно CoO COO CH, Н—с—NH—сно H-C-NH3 CH2 CH2 CH2 CH2 H-C-CH3 H-C-CH3 H-C-NH, H-C-NH3 H-C-NH3 COO COO || C-NH2 || C-NH2 C- NH2 H-C-NH3 H-C-NH3 H-C-NH-CH3 CH2 CH2 CH2 H-C-CH3 H-C-CH3 H-C-CH3 H-C- NH3 C=0 C=0 CoO CoO COO -0- O=0- -

For the following redox reaction: ОН D-beta-hydroxybutyrate dehydrogenase .co .CO .COO H3C H3C acetoacetate NADH + H* NAD + D-beta-hydroxybutyrate Which of the following statements apply? Select all that apply а. NADH is the oxidant b. acetoacetate is the oxidant c. beta-hydroxybutyrate is oxidized O d. beta-hydroxybutyrate is reduced