Review Session 6 Flashcards
Patient has seziure, decreased appetite due to stomach virus, low blood glucose - 24md/dL (normal for age 60-100), urine negative for ketone bodies, bloo carnitinelevels normal. Diagnosis og medium-chain fatty acyl coenzyme A dehydrogenase (MCAD) deficiency.
The fasting hypoglycemia is a consequence of…
A) Decreased aetyl coenzyme A production
B) Decreased ability to convert acetyl coenzyme A to glucose
C) Increased conversion of acetyl coenzyme A to acetoacetate
D) Increased production of ATP and NADH
A) Decreased acetyl coenzyme A production
In the transamination reaction of the conversion of ozaloacetate to product X and glutamate to produt Y, which of the followings are products X and Y?
A) Alanine, alpha-ketoglutarate
B) Aspartate, alpha-ketoglutarate
C) Glutamate, alanine
D) Pyruvate, aspartate
B) Aspartate, alpha-ketoglutarate
Which of the following statements concerning amino acids is correct?
A) alanine is ketogenic
B) Amino acids that are catabolized to cetyl coenzyme A are glucogenic
C) Branced-chain amino acids are catabolized primarily in the liver
D) Cysteine is essential for individuals consuming a diet severely limited in methionine
D) cysteine is essential for individuals consuming a diet severely limited in methionine
The light-driven reactions in photosynthesis in which electrons move along the electron-tranport chaqin in the thylakoid membrane are called?
Photosynthetic electron-transfer reactions
What is the part of a photosystem that captures light energy and channels it into the photochemical reaction center>
Antenna complex
What is the process by which green plats incorporate carbon atoms from atmospheric carbon dioxide into sugars?
Carbon fixation
What is the part of a photosysem that converts lightenergy into chemical energy?
Photochemical reaction center
What is the organelle called in green algae and plants that contains cholophyll and carries out photosynthesis?
Chloroplast
What is the disaccharide composed of one glucose unit and one fructose unit that is the maor form in which sugar is transported between plant cells?
Sucrose
What is noncyclic phosphorylaton?
Photsynthetic process that produces both ATP and NADPH in plants and cyanobacteria
What is the carbon-fixation (calvin) cycle?
Major metabolic pathway in which CO2 is incorporated into carbohydrate during the second stage of photosynthesis in plants
