subject
Biology, 08.12.2019 08:31 keldrickking

When you are exposed to sunlight for a long time, your skin, which otherwise appears normal, gets heavily tanned. what could be the reason?

a. the genes for melanin pigmentation remain turned on and prepare more melaninthan usual to protect the skin from photo-damage when it is exposed to sunlight for long time.

b. the genes for melanin pigmentation remain turned off and synthesize more melanin than usual to protect the skin from photo-damage when itexposed to sunlight for a long time.

c. the genes for melanin pigmentation are switched off to stop the synthesis of melanin to protect the skin from photo-damage when it is exposed to sunlight for a long time.

ansver
Answers: 1

Another question on Biology

question
Biology, 22.06.2019 04:20
Hybrid instruments that play sounds that are part sampled and part synthesized are known as:
Answers: 1
question
Biology, 22.06.2019 04:30
Anurse is in the dining room and overhears a new nurse tell a client with body dysmorphic disorder that she's much too thin and must eat more before she can go home. the client bursts into tears and runs out of the dining room. what is the best way for the nurse to address this situation?
Answers: 1
question
Biology, 22.06.2019 09:00
The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation
Answers: 1
question
Biology, 22.06.2019 09:20
Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic
Answers: 2
You know the right answer?
When you are exposed to sunlight for a long time, your skin, which otherwise appears normal, gets he...
Questions
question
Mathematics, 30.10.2020 19:30
question
Social Studies, 30.10.2020 19:30
question
Mathematics, 30.10.2020 19:30
question
Mathematics, 30.10.2020 19:30
question
Computers and Technology, 30.10.2020 19:30
question
English, 30.10.2020 19:30
Questions on the website: 13722363