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givi [52]
2 years ago
11

How did Wallace's ideas about evolution influence Darwin? ​

Biology
1 answer:
NNADVOKAT [17]2 years ago
5 0

Answer:

Darwin's theory of evolution by natural selection states that living things with beneficial traits produce more offspring than others do. ... Wallace's paper on evolution confirmed Darwin's ideas. It also pushed him to publish his book, On the Origin of Species.

Explanation:

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Why is avian influenza (H5 N1) rarely transmitted from poultry to humans? Why is it is often lethal
Olin [163]

Answer:

Lacks the right key to unlock many cells.

Explanation:

Avian influenza (H5 N1) rarely transmitted from poultry to humans because it lacks the right key to unlock many cells in the upper respiratory tract so due to this action the virus is rarely transmitted to humans. Sometimes it is lethal to humans due to absence of antibodies for this type of virus. It is rarely spread from person to person due to inability to enters the other human body.

6 0
3 years ago
In a PCR reaction, a few seconds at high temperature disrupts the ____ that hold the two strands of DNA together, so every molec
Andrews [41]

Answer:

Hydrogen Bonds

Explanation:

In the polymerase chain reaction (PCR) the temperature rises to 90 ° C - 95 ° C, to break the hydrogen bonds, which are the types of bonds responsible for pairing the two strands of DNA, this process is known as denaturation of DNA.

The DNA is extremely stable, due to a large number of bonds (hydrogen bonds) that form between the two strands. If the temperature decreases, these bonds will begin to recompose, until the DNA returns to its original state

7 0
3 years ago
A person who has very toned muscles likely has.... A.extra nerve cells. B. lots of digestive enzymes. C.tightly packed myofibril
Zarrin [17]

We can confirm that a person with very toned muscles likely has tightly packed myofibrils.

<h3>What are myofibrils?</h3>

These fibers are the protein filaments that cause contractions in the structure of the muscle. Weight training tones muscles by increasing the number of myofibrils in a sarcomere, thus increasing its capacity to produce force.

Therefore, we can confirm that a person with very toned muscles likely has tightly packed myofibrils.

To learn more about muscle fibers visit:

brainly.com/question/1426285?referrer=searchResults

4 0
2 years ago
what is a substrate?A.a molecule that changes stateB.a place where the reaction occursC.a place on the product where the enzyme
Lady_Fox [76]
I believe the answer is D. A reactant that is catalyze a by an enzyme.
5 0
2 years ago
Which of these is an environmental change that occurs rapidly?
den301095 [7]
It would be C.

because it would destroy an environment very very rapidly for anything in its path
6 0
3 years ago
Read 2 more answers
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