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Anna35 [415]
3 years ago
15

If the allele for a long nose (N) is dominant to the allele for a short nose (n), what will be the relative frequency of n in a

population?
a.) It will be less frequent than N.

b.) It will be equally frequent to N.

c.) It could be less frequent than N.

d.) It will be more frequent than N.
Biology
1 answer:
Nastasia [14]3 years ago
6 0

Answer: The answer should be C. I Hope that helped :)

Explanation:

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External ear structure that helps to localize the direction from which sound arises
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The external ear structure is called the Pinna.

The Pinna helps to channel sound waves into the ear.

Many animals have the ability to move their pinna towards the direction of sound.

I have attached an image of a dog's ear to show you the external structure called the Pinna.

I hope this helps! I'm happy to answer any other questions you might have :)



[Image sourced from: https://www.msdvetmanual.com/dog-owners/ear-disorders-of-dogs/ear-structure-and-function-in-dogs]

7 0
3 years ago
Describe the process of the respiratory system. No google answer. ASAP
lilavasa [31]

the respiration in human start from breathing.the oxygen is inhale and passes through larynx and reaches upto trachea and it goes in the bronchus.it is also divided into bronchoioles. it leads into lung

the bronchoioles that enter in the lung lead to small air sac called alveoli and it exchange gases and here exchange of gas occur and carbon dioxide is transported back to nostril through same passage and the canbondioxie is exhaled.in this way the process of respiration is completed

hope this helped..

4 0
3 years ago
Last one PLZ GET RIGHT HURRY
umka21 [38]

Answer:

The answer is C

Explanation:

Nutrients (Nitrogen, Phosphorus, and Potassium) They are the third most frequent stressor in impaired rivers and streams, and the fourth greatest stressor in impaired estuaries. The three primary nutrients in manure are nitrogen, phosphorus, and potassium.

8 0
3 years ago
The initiation of transcription requires melting of the DNA double helix, i.e. separating hydrogen-bonded base pairs, immediatel
sertanlavr [38]

Answer:

The correct answer is B. DNA helicase first unwinds the double helix around the +1 site.

Explanation:

The helicase is an enzyme that specifically breaks the hydrogen bonds of the bases in the transcription process. As E. Coli is a prokaryote, then, the transcription only occurs in one point of the circular DNA. The promoter region indicates where the DNA polymerase has to start replicating and the Topoisomerase unwinds the parts of the DNA that are being excessively twisted because of the separation of the two strands.

4 0
3 years ago
How does electrocution cause rigid paralysis?
jeyben [28]

Answer:

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The victim may be unable to let go of the source of the current, making the duration of the contact longer and increasing the severity of the shock.

When a current above 10 mA travels through extensor muscles, it causes a violent spasm. If the muscles affected are the hip extensors that lengthen the limbs away from the body, the victim may be propelled, sometimes many metres away!

Muscles, ligaments and tendons may tear as a result of the sudden contraction caused by an electric shock. Tissue can also be burned if the shock is lasting or the current is high.planation:

7 0
3 years ago
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