What factors govern the distribution of hair on species such as the human or rat?

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: How Alamanda Cathartica helps to prevent the lice on hair?

A: Alamanda Cathartica It is also called golden trumpet. It is a flowering plant which produce…

Q: How do folate, vitamin D, and uv intensity affect the skin color? Explain.

A: The colour of human skin varies from the darkest brown to the lightest shades. Variation in…

Q: What is the relationship between skin coloration and proximity to the equator? Explain in some…

A: The skin coloration among the humans across globe seems to show relationship with that of equator.

Q: Which of the following best represents the average rate at which the human hair grows? O 0.25 inches…

A: Step 1 Hairs are stratified squamous keratinized epithelium. It is formed of multi-layered flat…

Q: What are the differences in the length of hair growth cycles between the hair of the head and the…

A: The hair growth cycle has 3 stages, namely, anagen, catagen, and telogen. Anagen phase marks the…

Q: How does the motion of the hair bundle create a change in membrane potential?

A: Membrane potential is the distinction in electric potential between the inside and the outside of an…

Q: Why does the use of tanning beds also increase the incidence of skin cancer?

A: Cells, the fundamental (basic) and the structural units of life perform vital processes and…

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: what are the implications of silver haired bat that has rabies virus that can damage dermis?

A: Silver-haired bats (Lasionycteris noctivagan) are the migratory tree bats are not in frequent touch…

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: The outgrowths from the epidermis or the cortex of a rose are known as: * A. Stipules B. Prickles C.…

A: The epidermal outgrowth of a rose.

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: How does the MC1R gene affect skin color?

A: The skin coloration depends on various genes and complicated cell signalling processes. Different…

Q: what selective factors can account for the loss of pigmentation?

A: A few pigments found in our bodies, such as carotene, melanin, and hemoglobin, influence the color…

Q: How will you compare the cells from the inner part of the “stem” cross section to the cells located…

A: The pith is surrounded by vascular tissue made up of xylem (red) and phloem tissue (green, between…

Q: Who explained increase in melanic variety of peppered moth?

A: The evolution of Peppered moth is one of the best example to understand Darwin's theory of natural…

Q: What are some protective adaptations from intense sunlight?

A: Answer :  Melanin is an antioxidant .

Q: Explain dermal gland cell in cockroaches.

A: Cockroach body divide into three different regions that are: Head Thorax Abdomen The thorax is…

Q: What is the connection between the non-neural ectoderm/epidermis and the dermamyotome?

A: Somites are building blocks of mesodermal tissue ,collectively constituting the vertebral plate.It…

Q: Which protein is present in hairs? 1) Keratin 2) Elastin 3) Gliadin 4) Albumin 5) Actin

A: Proteins are biopolymers that are made up of polypeptide chains of the monomeric units amino acids…

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: What are the visible parts in this Tomato Epidermis?

A: The tomato are the staple food of all human being . Chilling causes damage to the cell membrane and…

Q: Which of the following phenomena involve dermal plasticity? (can be more then one) Group of answer…

A: Cell is the smallest structural and, functional unit of life. It is simple machinery that houses all…

Q: What are common conditions/diseases related to or are end results of albinism?

A: Albinism is an uncommon category of a hereditary disease characterized by a lack of pigmentation in…

Q: What cell layer makes up the hair follicle, and makes the protein for the hair shaft?

A: The skin is the main component of the body. The entire body is protected by it. It acts as a sun,…

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 your father is bald, your parental grandfather has normal growth of hair and yoour mother had no…

A: INHERITANCE OF PATTERN BALDNESS IN HUMAN BEING: In Pattren Baldness LOSS OF HAIR occurs on the TOP…

Q: why does the government of canada mandate wearing a mask for elementary students. and what does the…

A:

Q: What component of the human epidermis functions to make the skin's surface extremely tough and…

A: Skin is the outer most covering of the body surrounding muscles of our body. It is the largest organ…

Q: Which of the following is a true statement about hair development? (Check all that apply) A At…

A: Hair follicles are cornified epidermis of the integumentary system. Each hair originates from an…

Q: Following are descriptions of several hairs; based onthese descriptions, indicate the likely race of…

A: Different races of human beings have different characteristics. It is the race of a person that…

Q: As a follow up to my previous question with regards to the diagram I filled out.  It was stated that…

A: Hair is an extended part of the epidermis which is divided into some regions. Hair shaft, which is…

Q: List down at least 5 examples for each primary and secondary skin lesion and describe its…

A: Skin lesions can be of various variety and can be symptoms of various diseases. The skin lesions can…

Q: -Onion skin

A: The microscopic examination of onion skin is a very common experiment performed to observe the…

Q: Why does each hair cell respond to a limited range?

A: The human ear can hear a broad range of frequencies, from police sirens roars to an insect's…

Q: What are the functions performed by skin modifications in Chondrichtyes, Aves and Mammalia?

A: Skin is an important part in all living organisam. Its coming function is the protection of…

Q: What is the Branch of science which deals with the study of skin of man?

A: Science is a term which is used for the study of the subject which is based on the facts and…

Q: What is the economic importance of Scoliodon?

A: Scoliodon is a marine fish, which is approximately 30 cm long and is carnivorous in nature. Its…

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: Describe the integument of a frog. How are the various skin colors produced in frogs?

A: The integument is composed of an epidermal and dermal layer and these layers contain immune cells…

Q: Describe the differences you observed in the type and distribution of hair on the front (anterior)…

A: In human anatomy, the arm is the part of the upper limb between the shoulder joint and the elbow…

Q: Describe how hair cells work in general, and in the fish lateral line system.

A: Lateral line system  It is a type of sensory system found in fishes and aquatic amphibians. This…