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Mandarinka [93]
3 years ago
12

When you are exposed to sun light for a long time your skin which otherwise appears normal gets heavily tanned what could be the

reason?
Biology
1 answer:
vovangra [49]3 years ago
5 0
"<span>The genes for melanin pigmentation remain turned on and prepare more melanin than usual to protect the skin from photo-damage when it is exposed to sunlight for long time" is the actual reason. </span>
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North Carolina ranks second in production of Christmas trees in the United States. Scientists in North Carolina use living cells
Snowcat [4.5K]
B, because it's not an advantage for something to be expensive and time consuming
6 0
3 years ago
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If a single base pair gets damaged and goes missing from an rna, what would most likely happen?
Vilka [71]

A frame-shift mutation would occur. This is because a deletion will cause a change in codon sequence from the point of mutation to the end of the mRNA.  If the mutation is closer to the start of the mRNA, the larger the effect of the mutation on the translated protein.

8 0
3 years ago
A genotype is controlled by the sex cells combining to form an organism. True or False
myrzilka [38]

True

A genotype is the combination of genes in its DNA of the organism that determines its traits

Explanation:

Gametes from parents contribute different alleles of genes to their offspring. This why gametes carry only one copy of genetic material of the organism. They later fuse to form a zygote with a full genetic copy and capable of developing into an full organism.

Depending on which kind of alleles the parents pass down to the offspring will determine the offspring's genotype. The genotype of the offspring will, on the other hand, affect its phenotype which is the outward characteristic. An example is the sickle cell trait. If both gametes from the parents contribute the recessive alleles of the gene, then the offspring will be homozygous recessive for sickle cell genotype and this will show in the phenotype pf the person who will have sickle cell shaped blood cells.

Learn More:

For more on genotype check out these;

brainly.com/question/11612019

#LearnWithBrainly

6 0
4 years ago
Are Radar waves used to re-heat and cook food?
My name is Ann [436]

Answer:

I think it would be yes

Explanation:

Microwaves and infrared waves can heat up food but does not make food radioactive. The waves cause vigorous vibration of molecules in food resulting in high temperature that cooks the food.hope this helps if not let me know.

6 0
2 years ago
What causes 37% of all pollution?<br> oil <br> water dumping <br> nuclear waste <br> landfills
OverLord2011 [107]

Answer:

nuclear waste

Explanation:

8 0
2 years ago
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