Q: How did Hopi culture contribute to the high incidence of albinism among members of the Hopi tribe?
A: The Hopi are descendent of ancestral Puebloans. They are widely known because of their belief and…
Q: Why is colour blindness more prominent in males than females?
A: Introduction In this question we will discuss why colour blindness is more prominent in males than…
Q: At high power of magnification focus on the layer of the epidermis that appears purple beneath the…
A: The skin comprises three layers, they are epidermis, dermis, and hypodermis. Epidermis is the…
Q: Do the skin mechanoreceptors adapt at different rates? Why?
A: Mechanoreceptors are those that receive tactile stimuli (vibration, touch, cutaneous tension, and…
Q: Why is it important to wear masks?
A: Mask is a cloth which is used to wear so that part of mouth is covered.
Q: Human populations living in countries in the northern latitudes, such as Finland, have a lighter…
A: Skin color is mainly due to pigment melanin. Melanin is present in both light and dark complexion…
Q: What is Seborrheic Dermatitis? Explain how the treatment can help people with Seborrheic Dermatitis?…
A: 1- SEBORRHEIC DERMATITIS- Seborrheic dermatitis is a common skin disorder that primarily affects…
Q: Sketch a diagram of the outer, middle, and inner ears. Include and label the following parts: outer…
A: The ear is the organ of hearing and balance in mammals. It has three parts namely external, middle,…
Q: The photomicrograph shown below is located in the: Tendons and ligaments Skin's…
A: Histology is branch of biology which study composition and structure of plant and animal tissues…
Q: Which of the following structures does NOT derive from the same type of tissue as the epidermis?…
A: Epidermis is the outermost protective layer of the cell.
Q: Explain the cellular and molecular mechanisms that determine the color of human skin.
A: *The phenotypes that distinguishes Ong the species is differences in skin pigmentation. * human…
Q: As “naked apes” humans lack the protective investment of fur that shields other mammals from the…
A: The human skin is the outer covering of the body and it is the largest organ of the integumentary…
Q: Identify 3 factors that influence the variation in human skin color.
A: Human skin colour is an adaptive, variable trait ranging from lighter to darker skin color. The…
Q: You are walking to school on a December morning. There is a thin layer of snow on the grass. As you…
A: An ecosystem is a natural community of living beings that deals with the external environment and…
Q: Can you explain in detail the derivatives of dermis in mammals?
A: Mammalian skin has three layers- the uppermost epidermis, next is dermis and the inner subcutaneous…
Q: What is the possible explanation for why so many Europeans have lighter skin?
A: Quantitative traits are controlled by more than one genes and are also influenced by the…
Q: According to your textbook, the trend related to lighter skin pigmentation further from the equator…
A: Organisms are open systems that maintain homeostasis, are composed of cells, have a life cycle,…
Q: "Bumps" which form on the ends of baby's fingers while still in the womb, and effect how the…
A: The small ridges and depression patterns on the fingertips are known as fingerprints. They develop…
Q: Why does some females have facial hair when ageing
A: A hair is a fine threadlike structure that are grown on the skin of mammals like humans. It is a…
Q: What factors govern the distribution of hair on species such as the human or rat?
A: Hair is a protein filament made up of keratin protein and that grows from follicles found in the…
Q: Goosebumps provides an example of which of the following
A: Goosebumps are the involuntry actions of our body which results in some changes in our body .
Q: It would be expected that a population geographically located where UV exposure is minimal to have a…
A: Introduction :- Sunburn can be caused by UV radiation from the sun or artificial sources such as…
Q: Why is there varlation In skin color among modern humans? Multiple Cholce People have different…
A: An individual's skin pigmentation is the result of genetics,and also the exposure of sun. Skin color…
Q: What is snow-blindness?
A: The retina in eye consists of photoreceptors that respond to light. They are of two types namely rod…
Q: list 4 integumentary adaptations that are NOT primarily for anti-predator defense. For each one list…
A: integumentary adaptations :- 1.protection against excessive water loss by evaporation through the…
Q: What is the function of outer hair cells? How does the function of these cells differ compared to…
A: INTRODUCTION Inner hair cell They are sensory receptors gives acoustic information to brain. Outer…
Q: High pitch sounds are heard when the ______.
A: The mechanical properties of the basilar membrane are such that high-frequency sounds cause…
Q: Describe the selective pressure favoring light skin in regions far from the equator.
A: Introduction:- Melanin is a pigment-producing substance found in your hair, eyes, and skin. Your…
Q: Which of the following is an illustration of permissive interaction? The epidermis signals the…
A: In life processes often one interaction is followed by a counter interaction. The most favorable…
Q: What are the two main variants of the skin pigment molecule in humans? How do the differ?
A: Given: The two main variants of the skin pigment molecule in humans.
Q: If calcium and potassium concentrations in the fibrous dermis of echinoderms are high, the dermis…
A: Potassium is the principal cation within the body's cells. It is required for the proper fluid…
Q: Reflectance This figure En reflectance
A: Skin reflectance increases as we move north or south from the equator. This means skin is darker…
Q: Explain the roles of Vitamin B and Vitamin D in the evolution of skin color. Use appropriate…
A: Vitamin is a micronutrient essential for the proper growth and functioning of an organism. Although…
Q: list six very different integumentary adaptations for anti-predator defense. For each one list a…
A: Predator prey mechanism that exists in a ecological system. These defense mechanism allows several…
Q: Which is NOT a function of skin? Group of answer choices removes body wastes contracts and relaxes…
A: The organ is made up of group of tissues which have similar functiibs. Skin is the largest organ of…
Q: In reference to the blondspot, what advantage is it to have the fields of vision from each eye…
A: Hi! As you have posted multiple questions, I would be answering the first one for you. If you need…
Q: Would it be more advantageous to have hot AND cold receptors in ALL areas of the skin? Defend the…
A: Thermoreceptors are divided into two types: those that perceive warmth and those that detect cold.…
Q: suppose you are working in a derma pharmaceutical/cosmetic company, how will you utilize…
A: Increased knowledge of regular skin physiology has helped the world of cosmetic science. Originally…
Q: Can the effects of UV light on the folate explain the full variation of human skin color that exists…
A: Folic acid, known as folate in its natural form, is one of the B-group vitamins. It has several…
Q: -Onion skin
A: The microscopic examination of onion skin is a very common experiment performed to observe the…
Q: The basilar membrane is _______ near the base (oval window). This causes it to have a _____ resonant…
A: The basilar membrane is stiff and narrow near the base (oval window). This causes it to have a…
Q: What fraction of the population has medium skin color? Refer to Figure 9.14 on page 173 of your…
A: Human skin colour is determined by three pairs of polygenes A, B, and C, which create the pigment…
Q: Which of these areas of the face is considered to be the most intense warm color area? the cheeks…
A: Introduction The internal organs are made of smooth muscles. They have glandular cells that produce…
Q: Can you explain the derivative of dermis in mammals ? In detail with diagram where required
A: The integumentary system is a system which is composed of the organs and its derivatives responsible…
Q: what are the four basic skin sensation tests ? describe extensively
A: The willingness of the patient to comply throughout the examination is critical in determining the…
Q: uppose you are working in a derma pharmaceutical/cosmetic company, how will you utilize biochemistry…
A: The objective of biochemistry is to completely understand the chemical processes associated at the…
Q: What are the major 3-5 points the article "Do we really need sun protection?" brings, regarding the…
A: Solar energy is most important for the production of food by autotrophs. All other organisms…
What is the relationship between skin coloration and proximity to the equator? Explain in some detail, using technical terms
Step by step
Solved in 2 steps
- Choose all that are false when considering the adaptive response to tan. a) The ability to tan means that skin tone has a heritability (h2) < 1.0. b) It is a cellular response to DNA damage. c) Represents an increased rate of melanosome transport from keratinocytes to melanocytes. d) Tanning occurs in the absence of p53.What factors govern the distribution of hair on species such as the human or rat?Regarding albinism, describe how the use of technology can be beneficial.
- Give a brief "description" of what albinism is? Description as in : definition of albinism what causes albinism who is at high risk of albinismWhat are the major 3-5 points the article "Do we really need sun protection?" brings, regarding the benefits of the sun and the dangers of protecting from the sun?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 Rule
- Can you explain the derivative of dermis in mammals ? In detail with diagram where requiredClassify the existence of 7 characteristics in Iris recognition to high, medium and low and give a justification for your answer. Universality : Distinctiveness : Permanence: Collectability : Performance : Acceptability : Circumvention: -----------------------Thank'sAbdulrahim TaysirThe questions are about skin. Please explain your reasoning in an easy-to-understand way and short. Do you think the same receptors sense touch and temperature? Do you think the same receptors sense cold and heat? What would be the advantage of not having as many receptors in some areas of the body? What would be the disadvantage of not having as many receptors in some areas of the body?
- It would be expected that a population geographically located where UV exposure is minimal to have a skin tone that is very light. light. medium. dark. albino (no skin coloration).Describe the relationship between melanin and UV light exposure in the human population. Include a description of both the effects of UV light on a person and function of melanin.Explain the process of getting wrinkly skin. Is what happens to skin in an ocean vs. a freshwater lake different or the same?