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Lilit [14]
2 years ago
5

Do you think good personal hygiene helps individuals and communities in helping to stop covid 19? motivate ​

Biology
1 answer:
Nimfa-mama [501]2 years ago
3 0

Answer:

Yes, COVID-19 is spread through respiratory droplets, which typically travel about three to six feet and settle on surfaces, where they can live for a few hours up to several days, according to the World Health Organization. There is a risk of catching the disease by inhaling those particles, but there is a more significant risk of getting it by touching surfaces, such as desks, handrails, or doorknobs, where those droplets may have settled.

“The disease transmission goes from a cough or sneeze to a surface to your hand to your face, and that’s how people get infected,” said Paul Biddinger, director of the Emergency Preparedness Research, Evaluation, and Practice Program, Harvard T.H. Chan School of Public Health. “Good hand washing really matters. If people cough or sneeze into their elbow, that limits the spread of respiratory secretions.

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Which of the following are found in BOTH plant and animal cells?
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The nucleus is found in both plant and animal cells along with the vacuole

Explanation:

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A third-grader decided to breed guinea pigs for her school science project. She went to a pet store and bought a male with smoot
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To know what happened here you need to start analyzing the male and female guinea pig that this girl brought at the store.

Male with smooth black fur  

Female with rough white fur

So, you have two characteristics: color and style of fur.

Those are the F0, the start of the bread.

The crossing made a litter of eight contained only rough black animals, this told you the dominance of the alleles:

Black (BB) over white (ww) and rough (RR) over smooth (ss).

Parents are BBss x wwRR = BwRs, BwRs,BwRs, and BwRs

So, the F1 or firs offspring will all have the BwRs alleles and the phenotype will be black rough.

When this F1 is crossed, you had a variety of coats and colors.

BwRs x BwRs =BBRR, BwRs, wBsR, wwss

This explains the variety of colors and coats.

3 0
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What can likely happen to uncommon alleles in small, isolated populations as a result of genetic drift?
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Explanation:

they are likely to be lost.

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The immune system monitor continuously the lymphocyte cell levels in order to ensure the protection of the body. These cells are a type of white blood cells that are important in determining the specificity of the response of the body to foreign substances and infectious microorganisms. This group of cells include the T cells, B cells and the natural killer cells. These are produced in the bone marrow and are transported to the lymphatic systems like the thymus, spleen and the lymph nodes. The NK cells function in cytotoxic innate immunity or the cell-mediated ones. T-cells would function by connecting to virus antigens on the outside of a cell that is infected while B-cells would connect to the virus directly in its surface.
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