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SIZIF [17.4K]
3 years ago
5

Why (DNA) that i distracted from the strawberry doesn't look like double helix

Biology
1 answer:
Leno4ka [110]3 years ago
4 0
This was because one cannot view a single strain of DNA as it is too small for one to visually comprehend.
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The one on the bottom
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Natural selection or survival of the fittest can cause a major evolution as the species at risk need to stay alive and therefore need to become more adapted to the situation at hand. The species can evolve through generations to become more crafted to the predatorial habits of their predators. If the females are less at risk than the males then the males might evolve to become more protected or if some of the species live in a different situation maybe not even that far away, that can have a big impact on the evolutionary habits of the species at hand.


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8 0
2 years ago
Propose an explanation for why operons evolved in prokaryotes. what advantage do organisms have when they group genes together w
astra-53 [7]

Operons afford the organism the opportunity to simultaneously regulate transcription of multiple genes, whose products are active in the same process.  Operons lead to the synthesis of groups of functionally related enzymes, usually from a single mRNA transcript hence makes regulation of the genes highly efficient.






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2 years ago
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Explain how proteins are involved in controlling mitosis.
SashulF [63]

Explanation:

Almost all eukaryotic proteins are subject to post-translational modifications during mitosis and cell cycle, and in particular, reversible phosphorylation being a key event. The recent use of high-throughput experimental analyses has revealed that more than 70% of all eukaryotic proteins are regulated by phosphorylation; however, the mechanism of dephosphorylation, counteracting phosphorylation, is relatively unknown. Recent discoveries have shown that many of the protein phosphatases are involved in the temporal and spatial control of mitotic events, such as mitotic entry, mitotic spindle assembly, chromosome architecture changes and cohesion, and mitotic exit. This implies that certain phosphatases are tightly regulated for timely dephosphorylation of key mitotic phosphoproteins and are essential for the control of various mitotic processes. This review describes the physiological and pathological roles of mitotic phosphatases, as well as the versatile role of various protein phosphatases in several mitotic events.

5 0
9 months ago
What is cellular respiration
valina [46]

Cellular respiration is the process by which the body breaks down sugar like glucose, to release ATP, which is an energy storing molecule. This is how the body gets energy from food.

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3 years ago
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What impact does the atmosphere have on the Earth’s cycles? Check all that apply. produces wind currents
bazaltina [42]

Answer

The Impact that the Atmosphere has on the Earth’s cycle is it moves oxygen and carbon dioxide through the biosphere and transfers water into Earth’s oceans.

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