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marissa [1.9K]
2 years ago
10

Which is not a characteristic of lifeEvolve CellsDNAOxygen ​

Biology
1 answer:
Nikitich [7]2 years ago
8 0

Answer:

oxygen

Explanation:

oxygen isn't necessarily a characteristic of life. it's more like an aspect of life

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Chemicals extracted from certain sponges have been used in the treatment of cancer patients. Which of the following could be con
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Answer:

All responses are correct  

Explanation:

1- This process of chemical extraction produces release of toxins that are toxic to other life forms

2- Sponges are critical organisms in the nutrient cycles

3- Sponges provide habitat for other species (fish, crustaceans, etc)

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3 years ago
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Monica [59]
D because it makes more sense
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What is the minimum number of cycles necessary to replicate a fragment of DNA over 500 times? How did u determine this?
ryzh [129]

Answer:

The correct answer is "9 cycles".

Explanation:

The minimum number of cycles necessary to replicate a fragment of DNA over 500 times is 9 cycles. In Polymerase Chain Reaction (PCR) method, the fragments of DNA are doubled in each cycle. This means that after "n" cycles, the total number of fragments is given by the equation 2^n. In this case, after 9 cycles a total of 512 DNA fragments will be obtained, because 2^9 is equal to 512.

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2 years ago
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zalisa [80]

Answer:

4.) ...many earthquakes are known to occur
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Step by step:
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2 years ago
Which part of the nervous system is made up of cells that send and receive tiny electrical charges?
Hoochie [10]

Answer:

Neurons

Explanation:

Neurons are specialized cells, found in the nervous system, which transmit information.

Neurons contain a dendrite, a soma, and an axon. Some axons are covered with a fatty substance known as the myelin sheath, which surrounds the axon, acting as an insulator and allowing faster transmission of the electrical signal.

I used this site, please read it over whenever you are free.

https://opentextbc.ca/introductiontopsychology/chapter/3-1-the-neuron-is-the-building-block-of-the-nervous-system/#:~:text=Neurons%20are%20specialized%20cells%2C%20found,transmission%20of%20the%20electrical%20signal.

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