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anastassius [24]
3 years ago
10

To distinguish between human and animal hair, forensic scientists may look at what part of the hair?

Biology
1 answer:
MissTica3 years ago
7 0
-Medulla in a human is smaller (medullary index of less than one-third); and medulla in animals is very thick (medullary index of one-half or greater).
- Cuticle in humans is imbricated; and the cuticle in animals is coronal or spinous.
- Pigmentation in animal hair is denser than human hair.
- Animal hair can change colors in banded patterns; human hair cannot.
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Ozone is both helpful and harmful to life on Earth.<br> true or false
MrRissso [65]
It is true that ozone is both helpful and harmful to life on Earth. It is helpful when it absorbs radiation and rays from the Sun, but it is harmful when we breathe it in, because it is found in oxygen. 
3 0
3 years ago
That the allele that gives human red blood cells increased resistance to malarial parasites also reduces the amount of oxygen th
ella [17]

Answer:

A (Genotype)

Explanation:

All organisms possess genetic material which contains information required for certain functions/traits. This genetic material is stored as DNA and contains certain segment that encodes functional products (proteins) called GENE. The make-up of the genes responsible for a particular characteristics in an organism is called the GENOTYPE. Genes occur in variant forms called ALLELES, which are inherited from each parent.

These alleles are responsible for the varying expression of a particular trait e.g. allele T can be responsible for Tallness while the variant form, allele t can be responsible for shortness. In this example, we can see that height is the trait here but the different alleles encode varying expression of it. The combination of the alleles received by both parents, which collectively determines the trait to be expressed is the GENOTYPE.

N.B: The genotype refers to the physically invisible genes not the expressed trait itself, which is the phenotype.

In this case, an allele (gene variant) is responsible for the resistance of Red Blood cells and regulates oxygen carried by them. The phenotype is the resistance that the RBC's possess and its reduced ability to carry oxygen but the combination of alleles responsible for that trait is the GENOTYPE.

4 0
3 years ago
What is the path that planets follow around the sun​
Crank

Answer:

Orbit or Orbitals, they orbit around the sun counter-clockwise

Fun Fact:

If you looked at the solar system from the bottom the planets would move clockwise.

7 0
2 years ago
Which of these layers is typically thinnest?
valentinak56 [21]
Hello,


The answer is for sure <span>A. O horizon</span>.Positive.


Hope this helps
7 0
3 years ago
Read 2 more answers
The fastest known "cruiser" is the a bonito b yellowfish tuna c grouper d flounder
zheka24 [161]
<h3>yellowfish tuna</h3>

This is the fourth fastest fish, having recorded swimming speed of 76km/h.

<h3>What is Tuna known for ?</h3>

Tuna are remarkable and impressive wild animals. The Atlantic bluefin can reach ten feet in length and weigh as much as 2000 pounds (more than a horse)

  • Their specialized body shape, fins and scales enable some species of tuna to swim as fast as 43 miles per hour. Tuna swim incredible distances as they migrate.

  • The latest report by the UN shows that tuna is the world's most consumed and the second most wild caught fish in the world.

Learn more about Tuna fish here:

brainly.com/question/14209665

#SPJ4

7 0
2 years ago
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