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mamaluj [8]
2 years ago
9

Sharks and dolphins are not closely related but have many similar features due to the

Biology
1 answer:
kvv77 [185]2 years ago
8 0
It is Convergent evolution
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GIVING 20 POINTS!!! PLEASE HELP!!! WILL MAKE BRAINLIEST!!!!
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Answer:

The correct answer is D sister chromatids;centromere

Explanation:

After DNA replication during s phase or synthesis phase of interphase of the cell cycle,each chromosome has a copy and the cell that is newly formed is now 4n.

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4 0
3 years ago
Evaporites are chemical sedimentary rocks that form from the crystals that remain after water evaporation. Borax and gypsum are
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Answer: Increase in compactness of the material.

Explanation:

Evaporites are the sedimentary rocks that are formed by the sediments and brines of the materials being degraded or withered from the parent and pre-existing rocks. The water is also lost from the withered material due to evaporation. The borax and gypsum also lose water to become evaporites and the increase in compactness due to loss of water molecules and increase in intramolecular forces between solid substances in the rock helps in sedimentation of the rock.

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3 years ago
Which is not a biotic factor of a niche?
sergij07 [2.7K]
C. Wind, is NOT a biotic factor of a niche. Hope this helps!
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Which of the following BEST describes the process of evolution?
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C. Gradual

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Suppose that the string of A nucleotides following the inverted repeat in a rho-independent terminator was deleted but that the
eimsori [14]

Answer: is seen below

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Termination will not take place if the strings of A nucleotides following an inverted repeat of rho- independent termination ( which forms an hairpin structure)were deleted. Although, RNA polymerase may pause briefly at the hairpin, the presence of A- U base pairs is needed to destabilize the DNA - RNA interaction and to end transcription. If the string A nucleotides is not present, then transcription of RNA polymerase will continue.

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