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dimaraw [331]
3 years ago
12

What is the benefit of using sunscreen when working outside every day?

Biology
2 answers:
malfutka [58]3 years ago
7 0

Answer:

Not only does it protect from UV rays, it also works to reduce the appearance of pores and fine lines over time, so you're actually improving your skin while wearing it.

Explanation:

Katyanochek1 [597]3 years ago
4 0

Answer:

It prevents cancer.

Explanation:

UV rays penetrate the many layers of the epidermis, reaching the deep layers of our skin, which is meant to be protected. This activates pigment cells, releasing Melanin and darkening the skin.

When the UV rays penetrate these deep cells, it reacts similarly to radiation, denaturing and breaking apart DNA. If enough damage is done and the cell becomes irreparable a tumor forms.

Consistent exposure to UV rays has detrimental effects because it puts your skin cells through this same stress every day.

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Which of the following shows the correct unit of weight listed from largest to smallest?
steposvetlana [31]
C, Kilo stands for 1000.
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3 years ago
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Ribosomes provide the scaffolding on which tRNAs interact with mRNA during translation of an mRNA sequence to a chain of amino a
vampirchik [111]

Answer:

a. True

Explanation:

Ribosomes are ribonucleoprotein complexes composed of RNA and proteins, which have two main roles 1-decode the message of the messenger RNA (mRNA) molecule and the formation of peptide bonds in the protein. For this purpose, each triplet of nucleotide bases or 'codon' in the mRNA sequence is used to assemble specific amino acids in the nascent polypeptide chain. Although different, both prokaryotic ribosomes and eukaryotic ribosomes are composed of two subunits: one small subunit that decodes the mRNA into a specific amino acid chain, and one large subunit that forms the peptide bonds in the polypeptide chain. Each ribosomal subunit is in turn composed of ribosomal RNAs and proteins. These ribosomal RNAs act as scaffolds by combining with proteins that assemble into ribosomes (i.e., small and large ribosome subunits).

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3 years ago
Acetylcholine binds to a GPCR on heart muscle, making the heart beat more slowly. The activated receptor stimulates a G protein,
kogti [31]

Answer:

The correct answer is option (b) "addition of a drug that prevents the α subunit from exchanging GDP for GTP".

Explanation:

The G protein is a name given to a family of proteins that act as a switch in diverse cellular processes, transmitting signals from outside to inside of the cells. When a G protein receptor is activated by a neurotransmitter such as dopamine, the alpha subunit exchanges its GDP for a GTP and disassociates G-protein itself. An addition of a drug that prevents this action would prevent  G protein disassociation, which would enhance the effect of stimulating G protein that acetylcholine does.

6 0
3 years ago
What are the seven properties of water what are the seven properties of water ?
navik [9.2K]

Answer:

The main properties of water are its polarity, cohesion, adhesion, surface tension, high specific heat, and evaporative cooling.

Explanation:

The main properties of water are its:

  1. polarity
  2. cohesion
  3. adhesion
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8 0
2 years ago
How does the Earth-<br> sun-moon system<br> affect life on Earth?
DedPeter [7]

Answer:

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Explanation:

Sorry if that doesn't really help, I tried

5 0
3 years ago
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