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ZanzabumX [31]
3 years ago
8

LII-ralli

Biology
2 answers:
Tamiku [17]3 years ago
8 0

Answer:

Enzymes lower the activation energy of a chemical reaction

nata0808 [166]3 years ago
6 0

Answer:

Enzymes change shape during chemical reactions.  activation energy of a reaction.

Explanation:

Enzymes speed up chemical reactions by reducing the activation energy of the reactants. The substrate fits in the active site on the surface of the enzyme. The enzyme change shape during chemical reaction by the formation  of an enzyme-substrate complex.

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A researcher is using the pUC18 vector to introduce a human gene into bacteria. He exposes bacteria to this recombinant molecule
allsm [11]

Answer:

The results from this experiment conclude that all of the resulting bacteria contain the pUC18 plasmid without the human gene.

The method of genetic engineering might seem very easy but in actual it is a very difficult task and most of the time a person won;t get the expected results. The chances of a vector to actually take up a recombinant DNA are very less. Even after this, the chances of a recombinant plasmid to enter a bacterial cell by transformation are very few.

5 0
3 years ago
What happens to citizens of the World State when they die? <br><br> BRAVE NEW WORLD BOOK
Len [333]
Citizens of the World State are cremated when they die, so their bodies can be recycled and used as fertilizer. Their bodies aren't considered valuable, there are no funerals or grieving of the dead.

Hope this helps!

-Payshence xoxo
4 0
3 years ago
Read 2 more answers
Clouds begin to form in the atmosphere when ? Causes ? Of water on earth
Marina86 [1]
It' have chilling wind circulation so clouds was produce rain
5 0
3 years ago
What does it mean when a scientist uses the word theory
Evgen [1.6K]

Answer:

well theory is ranked second highest in certainty in scientific nomenclature. theory dictates it is more certain of a principle than a hypothesis yet not concrete enough to be a law. examples are the theory of evolution versus the law of gravity

8 0
3 years ago
What percent of iodine has decayed if 5 half lives have passed?
goldfiish [28.3K]

Hello!

A half-life is the amount of time it takes half of an element to decay. For example, after one of carbon's half-life, half of carbon would've decayed.

Now, we can calculate how much has decayed if 5 half lives have passed.

1 -> 50% (1) -> 25% (2) -> 12.5% (3) -> 6.25% (4) -> 3.125% (5)

Therefore, there would be 3.125% left of iodine. However, your question is asking what percent has decayed. Therefore, subtract 3.125 from 100% to get your final answer.

100 - 3.125 = 96.875

Therefore, your final answer is 96.875% of iodine has decayed if 5 half lives have passed.

Hope this helps!

3 0
3 years ago
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