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AysviL [449]
3 years ago
13

When the Sun’s radiant energy falls on Earth’s oceans, it causes water to change state by evaporating. Which form of energy does

water vapor have?
A.
chemical potential energy
B.
elastic potential energy
C.
electric energy
D.
vibrational energy
Biology
2 answers:
rosijanka [135]3 years ago
8 0

Answer:

A

Explanation:

irga5000 [103]3 years ago
4 0

Answer:

A chemical potential energy

Explanation:

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Answer:

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Explanation:

DNA replication is the biological process in which two identical copies of DNA are produced from one original DNA molecule.

The steps involved in the process of DNA replication are as follows:

The first step in DNA replication is to ‘unzip’ the double-helix structure of the DNA molecule.

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One of the strands is oriented in the 3’ to 5’ direction (towards the replication fork), this is the leading strand. The other strand is oriented in the 5’ to 3’ direction (away from the replication fork), this is the lagging strand. As a result of their different orientations, the two strands are replicated differently.

A short piece of RNA called a primer (produced by an enzyme called primase) comes along and binds to the end of the leading strand. The primer acts as the starting point for DNA synthesis. DNA polymerase binds to the leading strand and then ‘walks’ along it, adding new complementary nucleotide bases (A, C, G and T) to the strand of DNA in the 5’ to 3’ direction. This replication is continuous. Numerous RNA primers are made by the primase enzyme and bind at various points along the lagging strand.

Chunks of DNA, called Okazaki fragments, are then added to the lagging strand also in the 5’ to 3’ direction. This type of replication is called discontinuous as the Okazaki fragments are joined up later.

Once all of the bases are matched  (A with T, C with G) an enzyme called exonuclease strips away the primer(s).

The new strand is proofread to make sure there are no mistakes in the new DNA sequence.

Finally, an enzyme called DNA ligase seals up the sequence of DNA into two continuous double strands.

The result of DNA replication is two DNA molecules consisting of one new and one old chain of nucleotides. This is why DNA replication is described as semi-conservative, half of the chain is part of the original DNA molecule, half is brand new.

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7 0
2 years ago
Paramecium
OLEGan [10]

Hello!

I guess the correct option will be:

B. consists of cytoplasm and nucleus

Hope it helped you

:)

4 0
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Answer:

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