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Nat2105 [25]
2 years ago
12

What did Griffith use to kill the

Biology
1 answer:
sineoko [7]2 years ago
7 0

Answer:

B. Griffith used heat to kill pneumonia-causing. :)

Explanation:

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Please help me , Describe how bonds contain energy and what the energy is used for
astraxan [27]

Answer:

Chemical bonds contain potential energy.

Explanation:

Chemical bonds always contain potential energy. The atoms of the bond want to move to a lower energy to become more stable.. The energy for breaking bonds only comes when stronger bonds are formed.  This energy is used to tear apart the bonds holding the Hydrogen atoms together. The strength of the covalent bonds depend on the overlap between the valence orbitals of the bonded Atom.

6 0
3 years ago
What is the difference between DNA, chromatin, and Chromosomes?
Serhud [2]
Deoxyribonucleic acid (DNA) is the hereditary material that lies within the nucleus of all cells in humans and other living organisms. Most of the DNA is placed within the nucleus and is called nuclear DNA.

A chromosome is made up of two chromatids which are joined by the centromere. The chromatids separate from each other during mitosis to form two new chromosomes. The DNA making up a chromosome is dispersed as chromatin.

Under a microscope, chromatids look like little dots and chromosomes are lines.
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3 years ago
Which structure of the neuron is responsible for the quick transmission of a nerve impulse?
melamori03 [73]
The electrical impulse travels across the axon, and the myelin sheath helps to increase transmission speed.
7 0
3 years ago
which cell structure is mainly responsible for releasing energy for food melecules in some single cell organisms?
yanalaym [24]
Mitochondrion, I think.
3 0
3 years ago
Please help<br> Explain why a lack of gravity might cause muscles to weaken
Elodia [21]

Answer:

Lack of gravity causes you to use less work to move your muscles.

Explanation:

If on Earth your arm weighs 3 pounds, the muscle will only have to move 3 pounds of force. For example, if you were to go on the moon, your arm would have the same mass but there would be less gravity pulling it dow. So now your muscles only need to pull 1 pound. Over extended periods, you would be working less, thus not using your muscles to fullest potential and in result you would get weaker.

7 0
3 years ago
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