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antoniya [11.8K]
3 years ago
13

How does hair help prevent diseases?

Biology
1 answer:
Maru [420]3 years ago
4 0

Hair plays an important role in our lives. The hair on our head keeps us warm and acts as a cushion for our skull. Hair appearance can also help form our identity and self-image, which makes hair loss very troubling.

Most hair disorders aren’t serious, but they are often considered major cosmetic issues that require treatment. Androgenetic alopecia is the most common form of hair loss, although there are a number of other hair conditions that can affect the scalp and other parts of the body.

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What happens during crossing over
CaHeK987 [17]

Answer:B) homologous chromosomes trade pieces of dna

Explanation:

Crossing over occurs between two homologous chromosome of sisters chromatid. Crossing over leads to exchange of genetic material between the two sister chromatids leading to recombination.

5 0
3 years ago
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Which of the following may create ethical issues to be discussed/debated in society?
Andre45 [30]
I think option D is best
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3 years ago
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"when treating a patient who experienced a pulmonary blast injury, you should"
pav-90 [236]
Hi there!

I'm not too sure how to save the victim's life in a situation like this, but you SHOULD NOT give oxygen to a victim who has suffered from an explosion at close-range, while under positive pressure.
3 0
3 years ago
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Alu element at the PV92 locus on Chromosome 16. In this population, 436 people have a heterozygous genotype and 102 people have
Lesechka [4]

Answer:

Explanation:

According to the exercise we can infer that for the Alu insert:

p: positive allelic frequency

q: negative allelic frequency

maintaining that the population is in equilibrium we can carry out the following formula

p + q = 1 and pp + 2pq + qq = 1

looking for the genotype frequency we clear and obtain the following data

genotype frequency of 2pq = 436/1000 = 0.436

The genotype frequency of qq = 102/1000 = 0.102

This is how we look now:

number of positive people for Alu = 1000- (436 + 102) = 1000- 538 = 46

In this way it is resolved that:

genotypic frequency of pp = 462/1000 = 0.462

  p = 0.462 + (0.436 / 2) = 0.462 + 0.218 = 0.680

q = 0.102+ (0.436 / 2) = 0.102 + 0.218 = 0.320

According to the exercise carried out it is deduced:

The value of p in the population is = 0.68

We conclude that our prognosis showing a homozygous positive genotype is: 0.462

6 0
3 years ago
Mycoplasma pneumoniae is a bacterium that lacks a cell wall. it causes atypical pneumonia. which antibiotic would be most effect
Vitek1552 [10]

In this case, it is given that <em>Mycoplasma pneumoniae </em>lacks cell wall. some antibiotics such as penicillin works by interfering the synthesis of the cell walls. As these microbes do not have cell wall, the penicillin like antibiotics would not work.

In this case, the antibiotics, which interferes with the DNA (deoxyribonucleic acid) formation and replication can work. The ciproflaxin is an antibiotic, which work by inactivating the enzyme required for DNA replication in bacteria. Hence, the antibiotic ciproflaxin would be effective for treating the given condition.

3 0
3 years ago
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