What is the relationship between UV radiation and melanin

Answers

Answer 1

UVA radiation causes lesions or DNA damage to melanocytes, which are the skin cells that produce the skin pigment known as melanin. Melanin is a protective pigment in skin, blocking UV radiation from damaging DNA and potentially causing skin cancer.

Related Questions

Plz help asap 1 and 2 plz

Answers

Answer:

1- Ans:Molecules

2- Ans:Atoms

Give 2 exampes of Density Independent factors that can kill off organisms.

Answers

Answer:

Factors include: food availability, predator density and disease risk. Density-independent factors are not influenced by a species population size. All species populations in the same ecosystem will be similarly affected, regardless of population size. Factors include: weather, climate and natural disasters.

Explanation:

PLS HELP ME ILL GIVE BRAINLIEST

Answers

Answer:

Because of the animals present there.

Explanation: Birds and Turtles lay eggs with shells therefore the shells are more likely to be found in their landscape

What are the 6 regions of the
human body from which hair can
be derived?

Answers

Answer:

Hair is made of a tough protein called keratin. A hair follicle anchors each hair into the skin. The hair bulb forms the base of the hair follicle. ... Blood vessels nourish the cells in the hair bulb, and deliver hormones that modify hair growth and structure at different times of life, if that answers your question.

Explanation:

The six (6) regions of the human body from which hair can be derived are:

1. Head.

2. Eyebrow.

3. Beard.

4. Pubic area.

5. Body.

6. Armpit (underarm).

Hair can be defined as a threadlike, keratinous filament that typically grows out of the epidermis. Also, an epidermis is the outer layer of the skin.

Basically, the hair comprises two main parts and these are:

The follicle.The hair shaft.

Some of the macroscopic and microscopic properties of hair include:

Hair length.Hair color.Pigmentation of the cortex.Types of scales on the cuticle.Hair curliness.Pattern of the medulla.

Generally, hair can be found or grow in different regions of the human body and these include the following:

1. Head.

2. Eyebrow.

3. Beard.

4. Pubic area.

5. Body.

6. Armpit (underarm).

7. Eye lash.

8. Nose.

9. Finger.

Read more: https://brainly.com/question/23241629?referrer=searchResults

list the excretory organs of the human body and state the substance they excrete

Answers

skin, liver, large intestine, lungs, and kidneys

Help me! Thanks 15 points. URGENT

Answers

Answer:

DDddddddddddddddddddddd

PLEASE HELP!! Only one of the following statements is true: Identify the true statement and explain why it is true.

a. Two organisms can be of different phylums but the same kingdom.
b. Two organisms can be of different kingdoms but the same phylum.

Answers

true Different rhythms same kingdoms

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