BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 28, Problem 13SA
Summary Introduction
Introduction:
Vitamins and other nutrients are required in varying amounts for the proper functioning of the body. The human body is not able to synthesize most of the vitamins by itself. So, these vitamins are required to be taken from outside in the form of a balanced diet. Deficiency of vitamins can cause improper functioning of different systems in the body and ultimately leading to some disease.
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Chapter 28 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 28 - _______ tissues are sheetlike with one free...Ch. 28 - _________ allow cardiac muscle cells to contract...Ch. 28 - Glands are derived from ________ tissue. a....Ch. 28 - Most ________ have many collagen and elastin...Ch. 28 - ________ is mostly plasma. a. Adipose tissue c....Ch. 28 - Prob. 6SACh. 28 - Cells of ________ can shorten contract. a....Ch. 28 - Prob. 8SACh. 28 - ________ detects and integrates information about...Ch. 28 - Prob. 10SA
Ch. 28 - Prob. 11SACh. 28 - Prob. 12SACh. 28 - Prob. 13SACh. 28 - Prob. 14SACh. 28 - Match the terms with the most suitable...Ch. 28 - Many people oppose the use of animals for testing...Ch. 28 - Prob. 2CTCh. 28 - Each level of biological organization has emergent...Ch. 28 - The micrograph to the left shows cells from the...
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- Collagen lends ________ to the skin.a. elasticityb. structurec. colord. UV protectionarrow_forwardThe accumulation of dead keratinocytes and the protein ____ on the skin surface forms a waterproof barrier. Choose one: A.keratin B.oil C.melanin D.collagenarrow_forwardWhich of the following statements about melanocytes and keratinocytes is true? a. Melanocytes are in the dermis and keratinocytes are in the epidermis b. Melanocytes produce pigment but keratinocytes do not. c. Both cell types produce waterproofing material. d. Both cell types divide and die as they move away from their blood supply.arrow_forward
- Melanocytes and keratinocytes work together in protecting the skin from UV damage when keratinocytes ________ a.maintain the appropriate pH in order for the melanocyte to synthesize melanin granules. b.provide the melanocyte with nutrients necessary for melanin synthesis. c.maintain the appropriate temperature so the product of the melanocyte will not denature. d.accumulate the melanin granules on their superficial portion, forming a UV-blocking pigment layer.arrow_forwardAdipocere is formed ________. a. by lipocytes in the fat layer b. by the ridges of a fingerprint c. in a dead bodyarrow_forwardMajor functions of vitamin C include: a.Synthesis of collagen b.Antioxidant c.Improves immunity d.All of the abovearrow_forward
- Epidermis is a/an: Select one: a. Avascular layer for calcium absorption. b. Stratified layer with keratinocytes. c. Connective layer with collagen. d. Squamous layer with mucus. e. Vascular layer for vitamin D synthesis.arrow_forwardWhich of the following molecules would you add to skin cells to reduce the chance of skin cancer? Select one: a. Oxygen b. Carotene c. Vitamin D3 d. Carbon dioxide e. Melaninarrow_forwardWhich of the following protein is present in nails and hair or human beings?A. Collagen B. Keratin C. Elastin D. None of the abovearrow_forward
- Thick fibers that have great tensile strength and areflexible, but only slightly elastic, are ___________ fibers.a. reticularb. elasticc. collagend. mucinarrow_forwardIn addition to protection (physical and chemical barrier), the skin serves other functions. Which of the following is another vital function of the skin? a.It absorbs vitamin C so that the skin will not be subject to diseases. b.The cells of the epidermis store glucose as glycogen for energy. c.It aids in the transport of materials throughout the body. d.It converts modified epidermal cholesterol to a vitamin D precursor important to calcium metabolism.arrow_forwardUse the list below to determine the correct terms. Keratinocytes start producing A. Shaft ,which makes our skin tough and water resistant, and ,which promotes the dehydration of skin cells. The reticular layer within our B. Hair bulb, hair papilla ,contains a network of collagen, reticular, and elastic fibers. The hypodermis, because of its c. Arrector Pili. large amount of acts as an energy reservoir and thermal insulation. The _is the part of the D. Keratin, Keratohyalin hair that protrudes from the epidermis. The deepest portion of the hair E. Dermis follicle is made of ,the inner portion of this structure encompasses the The papilla's surrounding layer isF. Nail root composed of thearrow_forward
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