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tatyana61 [14]
3 years ago
15

Please help me with this it’s the last one I need

Biology
1 answer:
RideAnS [48]3 years ago
7 0

Answer:

species

Explanation:

please mark me brainliest and 5 star

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What is directly responsible for matter moving and changing inside a bears body?
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Answer:

Energy is directly responsible for matter moving and changing inside a bears body.

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3 years ago
"Mendel knew that the allele for smooth (R) seeds was dominant over the allele for wrinkled (r) seeds. If this cross was Rr × rr
s344n2d4d5 [400]

Rr and rr in the ratio of 1:1

Explanation:

If allele for smooth seed is Dominant over the allele for wrinkled seeds, and they are crossed 50 per-cent of the progeny will be heterozygous dominant  and 50 per-cent will be homozygous recessive.

Rr  X  rr

Rr Rr rr rr  F1 generation.

     r      r

R    rR   rr

r     Rr   rr

From Punnet square it will be 50 per-cent  chance each of rr and Rr.

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Diphtheria causing agent mode of Transmission, incubation period,symptoms and preventive measures and cure ​
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Diptheria is a serious infection mainly caused by a specific type of bacteria. This diseases is associated to different symptoms.

<h3>What is the causing agent?</h3>

This disease is caused by Corynebacterium diphtheriae, which is a specific type of bacteria. Moreover, this bacteria produces toxins and this is the cause of the symptoms.

<h3>How is it transmitted?</h3>

This can be transmitted through saliva droplets from one infected person to a healthy person. Usually, symptoms appear within 5 days after getting the bacteria.

<h3>What are the symptoms?</h3>

Although this disease has many symptoms, the most important ones are sore throat and gray lining on the throat and nearby areas.

<h3>How to prevent it or treat it?</h3>

Antibiotics and antitoxins are often used, but the best is to prevent it through vaccination.

Learn more about diphtheria in: brainly.com/question/13061650

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