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Maru [420]
3 years ago
10

What is an enzyme? What does "catalyze" mean? What is the "active site"?

Biology
1 answer:
Lemur [1.5K]3 years ago
8 0
Enzyme- a substance produced by a living organism witch acts as a catalyst to bring about a specific biochemical reaction
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What can gene therapies potentially do to treat cystic fibrosis?
Lera25 [3.4K]

Answer:

The correct answer is B make cells produce a functional CFTR protein.

Explanation:

Cystic fibrosis is a disease that is caused due to the mutation in the transmembrane protein known as cystic fibrosis trans membrane conductance regulator or CFTR. Cystic fibrosis trans membrane regulator proteins helps in the formation of thin mucus and due to the mutation in CFTR the mucus becomes thick.The disease cystic fibrosis basically affect the respiratory system.

 If gene therapy is used to treat cystic fibrosis then it can replace the mutated CFTR gene with a functional one so that the cell containing CFTR gene can produce functional CFTR protein.

 

5 0
3 years ago
(word bank)
choli [55]

Answer:

Sulfur; nitrogen.

Explanation:

Acid precipitation results when sulfur and nitrogen compounds react with water in the atmosphere.

This acid precipitation is also known as acid rain and it is typically caused by the chemical reaction between sulfur oxide and nitrogen oxide which are released into the air as a result of burning fossil fuels, with water and other chemical elements present in the atmosphere.

Generally, acid precipitation (acid rain) usually have a pH of about 5.1 or below and as such, it is very acidic nature i.e possessing a large amount of hydrogen ions.

Hence, acid precipitation (acid rain) when washed to the earth has negative or harmful effects on various living and non-living organisms such as animals, plants, cars, buildings etc.

5 0
2 years ago
Which of the following is the correct term for a small hole in a seed’s outer layer, allowing water and nutrients access to the
Pavel [41]
<h2>Answer:</h2>

The correct option is B which is micropyle.

<h3>Explanation:</h3>
  • Generally micropyle is known as the opening in the ovule or egg from which sperm enters the egg.
  • But at the time of germination it is used to absorb water and nutrients.
  • It is the micropyle from which the root emerges from the seed.
5 0
3 years ago
What part of the food chain re-uses matter and obtain energy
allochka39001 [22]

Answer:

The organisms at the base of the food chain are photosynthetic.

Explanation:

8 0
2 years ago
Name the type of connective tissue that connects bones to muscles
Dvinal [7]
TENDON IS THE TISSUE
7 0
3 years ago
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