Correctly match the lipid with a function it performs. Estrogen and Testosterone Cholesterol Phospholipids Triglycerides (also known as Triacyl Glycerols) 1. Primary component of membranes. 2. Long term storage of energy. 3. Precursor to all steroids. 4. Coordinate functions throughout the body, especially as they relate to reproduction.
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- Which statement is true about given the topic. 1. Phospholipids. Sphingophospholipids: Sphingosine bonded with 2 Fatty acid molecule via amide linkage and a phosphate group via ester linkage. Glycerophospholipid: 2 Fatty Acid chain, Phosphate and alcohol. 2. Eicosanoids. These are potent regulators of cellular functions. These are derived from arachidic acid further metabolized into three pathways namely cyclooxygenase, lipoxygenase and the CYP450 pathway. 3. Fatty Acid. Fatty acids may also be classified based on the number of carbon atoms where SCFA are fatty acids with 4 to 6 carbons, MCFA with 8 to 10, and LCFA with 12 to 16 carbon atoms. In humans, the simplest fatty acid constructed are the triglycerides composed of fatty acids esterified to a glycerol atom.Which is true about the given topics. 1. Steroid Hormones Androgens are found in males as seen in bone development. Estradiol is the primary estrogen which functions to prepare the uterus for implantation. 2. Biological Waxes These are compounds with esterified long-chain fatty acids and long-chain alcohol units. Its water-insoluble features are due to the presence of polar carbon chains and dominant nonpolar ester functional groups linked together. 3. Adrenocorticoid Hormone Aldosterone is therapeutically used for the management of hypertension. Hydrocortisone is used in the management of anaphylactic reaction.Compare and contrast the three major types of membrane lipids. Explain steroid hormones and its two major classes. Discuss the physiological effects of eicosanoids.
- Endocrine & Signalling 26. HO- NH2 HO- The molecule above is a hormone. Select FOUR statements that are correct with regard to this moelcule below. This is the least active form of this hormone There is another more active form of this hormone This molecule is derived from tyrosine This hormone stimulates fat metabolism Biosynthesis of this molecule requires iodine This molecule is a tryptophan metabolite This hormone targets two specific receptors This hormone stimulates fat storage This molecule is derived from cholesterol This hormone is synthesised in the adrenalsKindly answer numbers 4, 5 and 61. The metabolic precursor for the production of most eicosanoids isa. Cholesterolb. Sphingosinec. Arachidonic acidd. Eicosapentanoic acids2. Aspirin reduces inflammation and fever by inhibiting the formation of which of the following types of messenger lipids?a. Prostaglandins; Thromboxanesb. Thromboxanes; Prostaglandinsc. Leukotrienes; Thromboxanesd. Progestins; Prostaglandins3. Which of the following is a correct pairing of concepts?a. Male sex hormones: androgensb. Pregnancy hormones: estrogenc. Female sex hormones: progestinsd. After menopause hormones: estradiol 4. Which of the following substances is associated with Na+/K+ balance in the human body?a. Cortisolb. Cortisonec. Aldosteroned. Prednisolone5. Which of the following statements concerning steroid hormones is correct?a. Some, but not all of them, are cholesterol derivatives.b. Some, but not all of them, are glucose derivatives.c. Some, but not all of them, are fatty acid derivatives.d. All…Triacylglycerols in adipose tissue do not enter the bloodstream as triacyglycerolsexplain
- Pane Vitamin Sources Role/Function Deficiency Name (if applicable) Vitamin A Key component of Vitamin C Involved in synthesis. Vitamin D Vitamin D acts as a hormone to regulate calcium. It works in three locations: Word Bank Intrinsic Factor Vitamin E Vitamin E works as an protecting cells throughout the body from oxidative stress. Phospholipids Rhodopsin Intestinal Bacteria Vitamin K Our make approximately one-half of our body's requirements. Bone Intestine Name of Deficiencies: and Thlamin Kidney Tryptophan Pellagra Neural Tube Defects Antioxidant Riboflavin Most of the riboflavin in our food intake is from the food group. Niacin Synthesized from Name of Deficiency: Deficiency during pregnancy increase the risk of a birth defect Dairy Wernicke Korsakoff Folate known as Beri Beri Collagen Fatty Acids Niacin Vitamin B6 Metabolizes tryptophan to Requires absorbed. Vitamin to be B12 Pantothenic Acid Synthesizes cholesterol, steroid hormones, and neurotransmitters. Cho Is part of in the…Hormones, such as testosterone, estradiol and progesterone are examples of steroidal lipids synthesized from cholesterol, which serve as precursor. True FalseMatch the definition with the term. Use each term only once and some may not be used at all. The_____________ are the major lipid components of the cell membrane. are the fats and oils that constitute the lipids of the human diet. 1. triacylglycerols 2. A glycerophospholipid in which the C1 substituent is linked as an ether rather than an ester is called a 3. sphingomyelin 4. vitamin D A steroid-derived hormone. 5. phosphatidylserine regulates Ca2+ metabolism glycerophospholipids
- Classification (tabulate: classification,function, structure, example a.Fatty Acids: saturated(fats and butter), unsaturated(vegetable and corn oil) b.Phosphoglycerides c.Sphingolipids d.Waxes e.Terpenes f.Steroids: cholesterol, bile salt, sex hormone (estrogen, androgen)Fill the following blanks with a term or terms listed below (Note: some blanks may be filled with more than one term; some terms may be used more than once, some terms may not be used, do not fill the blanks with any term not on the keyterm list.) 7-dehydrocholesterol Apocrine sweat gland Arector pili Basal cell carcinoma Calcidiol Calcitriol Ceruminous glands Cutaneous membrane Dermal papillae Dermis Epidermal dendritic cells Epidermal ridges Epidermis Free nerve endings Hair bulb Hair follicle Hair matrix Hair papilla Hair root plexuses Hypodermis Integument Keratinocytes Keratin Kidney Langerhans cells Liver Melanin Melanocytes Merkel cells Merocrine sweat gland Root Sebaceous glands Shaft Stratum basale Stratum corneum Stratum germinativum Stratum granulosum Stratum lucidum Stratum spinosum Subcutaneous layer Superficial fascia Tactile cell skin is also known as ____________________ or ____________________ Adipose connective tissue is found in ____________________.…Which of the following is/are true? 1. Amylose is a polysaccharide made up of galactose units. 2. Globular proteins only have structural function in the body. 3. The hydrolisis of glycerophospolipids produces one product more than the hydrolisis of triacylglycerides.
