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worty [1.4K]
2 years ago
12

Please answer quick everything you need to answer is in the photo

Biology
1 answer:
alekssr [168]2 years ago
5 0

Answer:

The evidence from the eruption helps scientists study past climate changes and compare them to modern changes.

Explanation:

Essentially, they like to study an area of difference so that they can see what changes in that situation; and they are able to understand <em>what </em> would change in a study sample (letting them know what measures to look for)

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What 2 enzymes are used during DNA replication? describe what each does during replication
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The two enzymes that are used during DNA replication is helicase and polymerase. Each enzyme has distinct role that made it a vital part of the replication. In the course of DNA replication, the initial stage is to unzip the double helix structure of the DNA molecule by the enzyme helicase, which breaks the hydrogen bonds that holds the complementary bases of DNA.

Moreover, the DNA polymerase has the ability to exactly copy a DNA template. This enzyme binds to the leading strand and then adding a new complementary nucleotide bases to the DNA strand. In addition, it catalyzes the joining of deoxyribonucleoside 5′-triphosphates (dNTPs) to form the increasing DNA chain.

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3 years ago
What is the difference between a reactant and a product?
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Hi!
Reactants<span> are substances that start a chemical reaction, and </span>products<span> are substances that are produced in the reaction.</span>
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A red blood cell placed in pure water would ________. Select one: a. shrink b. neither shrink nor swell c. swell initially, then
tatuchka [14]

Answer:

D (Swell and Burst)

Explanation:

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This difference in concentration between the extracellular solution (pure water) and the intracellular fluid (red blood cell) called CONCENTRATION GRADIENT facilitates the movement of water by OSMOSIS. Osmosis is the process whereby water moves across a semi-permeable membrane from a region of low solute concentration to a high solute concentration.

Based on this osmotic gradient, water moves from the extracellular solution into the cell, causing it to swell and eventually burst as a result of excessive water intake.

7 0
3 years ago
Earth scientists have concluded that the methods of harnessing energy that have been used over the past two centuries, such as t
stepan [7]

<em>Answer:</em>

<em>The best answer to the question that is being given above would be letter A. The most complex level of organization hierarchy that climate change could potentially affect is Earth's Biosphere - which holds every living thing in the planet. This climate change will destroy it more destruction to Mother Nature occurs.</em>

<em>Explanation:</em>

<em>its easy  soo yea</em>

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3 0
2 years ago
What does an enzyme do for a cell
morpeh [17]

Answer:

Enzymes speed up the rate of almost all chemical reactions that take place within the cells. They're important for life because they help with digestion and metabolism.

Explanation:

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