BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
expand_more
expand_more
format_list_bulleted
Question
Chapter 28, Problem 2CT
Summary Introduction
To determine:
The reason for dark-skinned immigrants to have more chances of vitamin D deficiency as compared to light-skinned people that are native to Sweden.
Introduction:
Skin is the largest organ in the vertebrates. It is composed of two layers: epidermis (outer layer) and dermis (deeper layer). The color of the skin is determined by the pigment known as melanin.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Why does the use of tanning beds also increase the incidence of skin cancer?
A health-conscious friend asks whether eating carrots is better for the eyesight or for preventing cancer. What do you tell your friend? Explain.
Our skin contains melanocytes, which produce melanin that protects the cells from sun damage. If darker- skinned people have more melanin does this mean that they do not have to protect their skin from the sun? Explain your answer.
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...
Knowledge Booster
Similar questions
- According to your textbook, the trend related to lighter skin pigmentation further from the equator follows a principle called _____. Group of answer choices Bergmann's Rule Allen's Rule Gloger's Rule Blumenbach's Rulearrow_forwardExplain the relationship between melanin and skin color. Why do you think people living near the equator have darker skin?arrow_forwardRegarding the short film, "Biology of Skin Color" (in 250 to 300 words) - What is the relationship between melanin, geography, folate, and vitamin D? Provide a personal reflection on something that surprised you or something new you learned on this topic.arrow_forward
- In albinism, the formation of melanin, a dark skin pigment, are blocked so that albinosarrow_forwardDarkly pigmented skin is advantageous in the tropics because it a) Protects skin from frostbite b) Allows maximum exposure to UV radiation c) Helps prevent rickets d) Promotes vitamin D synthesis e) Protects skin from skin cancer from overexposure to ultraviolet radiationarrow_forwardWhy is lighter skin needed in areas closer to the north and south poles where UV rays are weaker? A. Individuals with a lot of melanin wouldn't get enough UV ray penetration in their skin to synthesize vitamin B. B. Lighter skin is not necessary in the north and south poles. C. Individuals with a lot of melanin would get too much UV ray penetration in their skin and they wouldn't be able to synthesize vitamin D. D. Individuals with a lot of melanin wouldn't get enough UV ray penetration in their skin to synthesize vitamin D.arrow_forward
- What is one important function of melanin? A. Causes the skin to become cooler B. Absorbs harmful radiation C. Strengthens the skin or eyes D. Resets the diurnal biological clock E. Increases the amount of blood vesselsarrow_forwardTwo brown eyed parents have a child with blue eyes. Explain how this happenedarrow_forwardWhich statement is true about a tan and tanning? A. Sunning for the purpose of tanning produces healthier skin. B. A tan indicates sun damage to the skin. C. Tans last even if the skin is not exposed to the sun for months. D. Tanning promotes skin with a more youthful appearance. E. B and Carrow_forward
- With an aging population, dentistry will have to reflect the demand for cosmetic surgery. Do you think that insurance should cover this? Why or why not?arrow_forwardAccording to the video “The Biology of Skin Color”, what is the pigment in our skin that reflects or absorbs light? A. Magnesium B. Melatonin C. Melanin D. Chlorophyllarrow_forwardChemotherapy drugs are strong medications that attack rapidly dividing cancer cells. One of the side effects of these drugs is hair loss, not only on the scalp, but also pubic and armpit hair, eyelashes, and eyebrows. Why do you think these drugs cause hair loss?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you