Metabolic pathways are regulated to maintain homeostasis in the face of changing environmental conditions,such as nutrient supply.Describe how this is accomplished during the fed-fast cycle,that is,the progression from a fed state,to a postabsorptive/fasting state,to starvation,to prolonged starvation.Your answer should include specific processes/ metabolic pathways that are favored under each condition-make sure to cover pathways that are important to all three macronutrients (CHOs,lipids,protein).Also indicate the signal(s)involved in modulating these pathways.An example is provided in the table.
Definitions:
Malicious
Characterized by a desire to cause harm or suffering; deliberately harmful or spiteful behavior.
Relational Aggression
A type of aggression focused on harming others through manipulation or damage to relationships and social status, rather than physical harm.
Overt Aggression
Direct, openly hostile behaviors intended to harm others physically or psychologically, distinguished from more subtle forms like passive aggression.
Developmental Changes
Transformations or transitions in physical, cognitive, social, or emotional domains across the lifespan.
Q27: GLUT1<br>A)erythrocytes,CNS<br>B)liver,β-cells,kidney<br>C)brain,sperm,placenta<br>D)muscle,heart,adipocytes<br>E)intestine,kidney,brain,skeletal muscle,adipose
Q45: Cheilosis is a symptom of a dietary
Q50: Bile salts are synthesized from cholesterol in
Q51: alpha-tocopherol<br>A)interacts with nuclear VDR to increase calbindin<br>B)required
Q51: insulin<br>A)stimulates liver glycogenolysis and gluconeogenesis<br>B)stimulates lipolysis and
Q56: The major source of water to the
Q61: In a clinical setting,which RQ suggests that
Q71: cellulose<br>A)The main noncarbohydrate component of fiber and
Q76: sodium<br>A)muscular weakness,paralysis<br>B)anorexia,muscle atrophy<br>C)decreased BP,reduced GFR<br>D)sodium loss,dehydration<br>E)weakness,lethargy
Q77: Which two substances promote amino acid degradation?<br>A)acetyl-CoA