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spin [16.1K]
3 years ago
15

Krypton is named after the Greek word that means “secret.” Which explains why krypton was most likely given this name? Krypton i

s a halogen, so it is a secret element because it is always part of a compound and is difficult to find by itself. Krypton is a halogen, so it should be kept secret because it is so reactive and toxic. Krypton is a noble gas, so it was difficult for chemists to find it, as though it was a secret. Krypton is a noble gas, so it secretly bonds with every type of element without showing it.
Biology
2 answers:
otez555 [7]3 years ago
8 0

Answer:

the answer is in fact c

Explanation:

I took the test on edge

k0ka [10]3 years ago
7 0
Krypton is a noble gas and because it has its valence electrons filled, it is very hard for it to react with things.

It is not a halogen as they are extremely reactive.

I believe C.) would be the best answer
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The formation of the fertilization envelope (slow-block to polyspermy) requires an increase in the availability of _____.
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<span>The formation of the fertilization envelope (slow-block to polyspermy) requires an increase in the availability of </span>calcium ions.

Slow-block to polyspermy is also called cortical reaction. In this reaction, the sperm will be permanently blocked by cortical granules. The release of calcium ion will trigger this reaction.
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4 years ago
A student isolates, purifies, and combines in a test tube a variety of molecules needed for DNA replication. After adding some D
aivan3 [116]

Answer:

DNA ligase

Explanation:

DNA replication is an enzyme mediated, 3-step process during which the DNA molecule produces a copy of itself. The 3 steps involved are as follows;

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  • elongation
  • termination

<em>Initiation </em>involves the unwinding of the double helix structure of the DNA using DNA helicase enzyme

<em>Elongation</em> involves binding of RNA primer to the DNA strands and addition of bases to the primer<em> </em>to elongate the new chains. Bases are added to the leading strand continuously while the lagging strand is replicated in short segments (okazaki segments).

<em>Termination</em> involves the unbinding of RNA primer and substitution of its bases by DNA bases. The Okazaki fragments are then joined together using the DNA ligase enzyme.

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Hence, the answer is DNA ligase.

4 0
3 years ago
Name the components of the integumentary system
Troyanec [42]

Answer:

the skin,hair,naios,glands and nerves

5 0
3 years ago
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What are the four phases of mitosis, in the correct order?
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Answer:

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Explanation:

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3 years ago
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10. What do we call the action when one muscle works against another muscle?
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<h2>Answer:</h2>

Antagonistic.

<h2>Explanation:</h2>
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Result: The muscle action in which a muscle works against another muscle is called antagonistic.

6 0
4 years ago
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