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Fynjy0 [20]
3 years ago
8

The role of a catalyst in a chemical reaction is to

Biology
1 answer:
IRINA_888 [86]3 years ago
3 0
B. By lowering the energy need for the reaction, you increase the reaction speed or the rate.
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Kyle concludes that the cell must be a plant cell. How does Kyle know that the cell is a plant cell and not an animal cell?
Mnenie [13.5K]

Kile should know the answer because of the morphology (part of biology that studies the estructure and the form of something). The plant cell presents a rectangular form, while the animal's cells presents a round form.

There are other main differences. As their parts and the size. Before I explain that remember that a cell can be of two types eukaryotic (cell with nucleus) and prokaryote (cell with no nucleus). In the other they can be neurons, nefrons, etc...

The plant cell contains for example chloroplasts, cell wall and vascuoles; while animal's don't.  Both of them have nucleus, cell plants are generally larger than animals. Those are the main differences.

Thankyou.

Sorry for my bad english, It's not my native language.

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3 years ago
Compare and contrast the structures of DNA and RNA
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DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. The only difference between ribose and deoxyribose is that ribose has one more -OH group than deoxyribose, which has -H attached to the second (2') carbon in the ring. DNA is a double-stranded molecule, while RNA is a single-stranded molecule.

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Ryan and his family are visiting a theme park and he wants to ride a roller coaster. At which
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Higher objects (with further to fall) have greater potential energy. therefore the maximum height would have the highest amount of potential energy

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What enzyme connects the new nucleotides together and proof reads them
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RNA polymerase is the enzyme that connects and proofreads them.
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I think it's option c
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