The skin plays a vital role in vitamin D synthesis. Which of vitamin D synthesis steps happens in the skin?  a. 7-dehydrocholesterol is converted into vitamin D3 b. UV absorption by 7-dehydrocholesterol c. vitamin D3 is converted into vitamin D d. a and b e. a, b, and c

Q: involved clot formation and initiates wound healing through fibroblast stimulation? A. GPCR B.…

A: Hi, Thanks For Your Question.  Answer : Correct Option Is D (PDGF) Explanation : Wound Healing Is A…

Q: Which of the following molecules would you add to skin cells to reduce the chance of skin cancer?…

A: The skin is more susceptible to cancer as compared to the organs of the human body because it is…

Q: What is the role of the liver in bilirubin metabolism? O a. The liver converts bilirubin into…

A: Hormones are biochemical messengers that help your body coordinate its various processes. Several…

Q: 16. Skin plays a vital role in vitamin D synthesis. Which of vitamin D synthesis steps do not happen…

A: Vitamins are types of organic compounds and are present in the body. The presence amount of vitamins…

Q: Taking too much vitamin C can interfere with the body's absorption of which mineral?   a. Selenium…

A: Nutrients : these are the Substances that living organisms require for surviving. The 6 types of…

Q: What is the cause of lung disease cystic fibrosis? A. Tuberculosis B. Pneumonia C. degradation of an…

A: The questions ask about the possible cause of cystic fibrosis.

Q: According to the video “The Biology of Skin Color”, why do humans need calcium?  A. To build strong…

A: The question is asking about the importance of calcium in the human body according to the video 'The…

Q: The most common areas of iron storage are? A. Muscle, liver, bone marrow, and spleen B. Spleen,…

A: Iron It is one of the most essential trace element. Total body iron content is 3 to 5 g. Storage:…

Q: Salivary glands are important in taste because a. they provide the fluid in which food molecules…

A: The salivary glands can be defined as the type of exocrine, glands that produce saliva. It is…

Q: What is homeostasis? A. the building up of complex materials from simpler ones such as food and…

A: Cell is an elemental unit of the body in which various metabolic process are performed. Metabolic…

Q: 5. Why can excessive changes in the level of carbon dioxide in the blood be harmful to an animal?…

A: Carbon dioxide is a waste product of metabolism that is created intracellularly in the human body.…

Q: According to the video “The Biology of Skin Color”, why is UVB critical for humans?  A. It helps our…

A: The question is asking about the importance of UVB (Ultraviolet B) radiation for humans, as…

Q: Skin color results from a combination of a: Melanin b: Hemoglobin c: Bilirubin d: Carotene A. a, b,…

A: The skin is the outer covering that separates the internal structures from the external environment.…

Q: The inefficiency of muscle cells in catabolizing glucose causes ________. A. heat production B.…

A: Glucose is used as energy source. Catabolism of glucose means breakdown of glucose to produce energy…

Q: 7. Which of the following is NOT a component of chylomicrons? a. triacy|glycerol b. phospholipids c.…

A: Lipids are compounds that are dissolved in organic solvents and not in water. In our body, lipases…

Q: Which statement is TRUE about vitamin E?   a. It boosts immunity by stimulating the production of…

A: Vitamin E is fat soluble, hydrophobic in nature. Chemical name of of vitamin E is tocopherol. It…

Q: 7. Describe any obstructions that liver cancer could cause.

A: CancerIt is defined as the growth of abnormal cells characterized by cellular malfunction. Liver…

Q: Another name for the skin is the membrane.   A. synovial  B.  muсous  С. cutaneous  D.  serous

A: The component of integumentary system, skin is defined as the body's largest organ which covers the…

Q: Synthesis and maintenance of collagen is a major function of which vitamin or mineral? A. Vitamin D…

A: Vitamins are organic compounds present in little concentrations in natural diets. Having fewer…

Q: Chronic vitamin A deficiency causes __________

A: ♦ANSWER♦1 Option A is the correct answer to this question. Explanation, •Option A  •Nightblindness…

Q: Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called:…

A: The skin is the outermost covering of the body, which provides protection from mechanical impacts,…

Q: Redness, heat, swelling, and pain are hallmarks of what bodily process ?  A. Inflammation  B.…

A: The WBC or white blood cells are responsible for giving protection to the body against any foreign…

Q: According to the video “The Biology of Skin Color”, what is the pigment in our skin that reflects or…

A: The question is asking about the pigment in our skin that is responsible for absorbing or reflecting…

Q: Why are the B vitamins especially important to an athlete? A. The B vitamins are directly involved…

A: Vitamin B Vitamins are essential organic micronutrients required by the body for proper growth and…