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mart [117]
3 years ago
12

Which two large landmasses formed when Pangaea first started to separate?

Biology
1 answer:
NeTakaya3 years ago
7 0
Laurasia and Gondwanaland!
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You are observing an enzyme driven reaction. You add chemical X, which inhibits the reaction. If you add more substrate, the rea
maks197457 [2]

Answer:

X is a competitive inhibitor.

Explanation:

X is a competitive inhibitor because it fights with the substrate for the active site of the enzyme. The active site is specific for a type of substrate, but as the inhibitor has a similar structure to the substrate, it can fit and not allow the substrate to interact with the enzyme and make its reaction. What we can do to do to keep having enzyme-substrate bindings is add more substrate to the solution, so there are more substrates than inhibitors, which leads to more products as a final result of the interaction between the enzyme and the substrate.

4 0
3 years ago
What shape (structure) does a DNA molecule have, and who discovered this structure​
solniwko [45]

Answer:

double helix

Explanation:

The double helix is a description of the molecular shape of a double-stranded DNA molecule. In 1953, Francis Crick and James Watson first described the molecular structure of DNA, which they called a "double helix," in the journal Nature.

4 0
2 years ago
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true or false active transport moves molecules from an area of high concentration to low concentration
Anon25 [30]
True if not I’m sorry
7 0
3 years ago
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Leya [2.2K]
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3 years ago
What is the definition of andesitic composition ?
IceJOKER [234]
<em><u>Andesite:</u></em> 
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4 years ago
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