Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Textbook Question
Chapter 3, Problem 9RQ
Which kinds of bonds between keratin molecules are altered when hair is (a) wet and allowed to dry on curlers and (b) given a permanent wave? LO6
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The shape of hair is determined in part by the pattern of disulfide bonds in keratin, its major protein. How can curls be induced?
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are proteins stable in the presence of tannins?
Chapter 3 Solutions
Biology: Life on Earth
Ch. 3 - Fill-in-the-Blank In organic molecules made of...Ch. 3 - 5. Fill in the following with the appropriate type...Ch. 3 - Fill-in-the-Blank Proteins are synthesized by a...Ch. 3 - Fill-in-the-Blank Till in the following with the...Ch. 3 - Fill-in-the-Blank A nucleotide consists of three...Ch. 3 - Prob. 1RQCh. 3 - List the four principal classes of biological...Ch. 3 - What roles do nucleotides play in living...Ch. 3 - Prob. 4RQCh. 3 - Prob. 5RQ
Ch. 3 - Prob. 6RQCh. 3 - Describe the synthesis of a protein from amino...Ch. 3 - Where in nature do we find cellulose? Where do we...Ch. 3 - Which kinds of bonds between keratin molecules are...Ch. 3 - In this chapter, you read that a phospholipid has...Ch. 3 - Prob. 2ACCh. 3 - Some people think that consuming fat and sugar...Ch. 3 - Saliva from infected deer can transmit chronic...Ch. 3 - In an alternate universe where people could digest...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What cells produce the pigment in hair?arrow_forward46. The outer surface of your skin consists of ... a) epidermal epithelial cells joined by tight junctions. b) keratin filaments packed into dead epidermal epithelial cells. c) mitotic epidermal epithelial cells. d) layers of actin filaments secreted by epidermal cells just before they died. e) a and c are truearrow_forwardCells of the epidermis derive from stem cells of the stratum basale. Describe how the cells change as they become integrated into the different layers of the epidermis.arrow_forward
- Many antiaging skin creams contain collagen and hyaluronic acid. Manufacturers claim that the collagen and hyaluronic acid applied to the surface of the skin will be absorbed into the dermis, where they will be incorporated into dermal tissue?arrow_forwardThe fibrous protein that forms the basic structural component of hair and nails is: (a) collagen. (c) elastin. (b) melanin. (d) keratin.arrow_forwardVitamin D and folate levels in the blood are both affected by UV light. Describe the predicted effects of using a tanning booth (which exposes skin to UV light) on the blood levels of these two vitamins.arrow_forward
- The fibrous protein that forms the basic structural compo- nent of hair and nails is (a) collagen. (b) melanin. (c) elastin. (d) keratin.arrow_forwardWhat could be the reason why hydroxylation of proline residues is critical to the structural integrity of collagen? Select the correct response The hydroxyl moities in Pro form disulfide bonds which stabilize collagen structure. The hydroxyl moities in Pro form ionic bonds (salt bridges) which stabilize collagen structure. The hydroxyl moities in Pro form hydrophobic interactions which stabilize collagen structure. The hydroxyl moities in Pro form peptide bonds which stabilize collagen structure. The hydroxyl moities in Pro form H-bonds which stabilize collagen structure.arrow_forwardThe difference between hair and nails is that nails are made of keratin that is derived from the epidermis. True ? or False ?arrow_forward
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