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3 years ago

According to the graph, how is pH affecting enzyme activity?

Biology

2 answers:

ArbitrLikvidat [17]3 years ago

6 0

C. At a pH of 8, the enzyme starts to denature and changes shape.

nordsb [41]3 years ago

6 0

Answer: C. At a pH of 8, the enzyme starts to denature and changes shape.

Explanation: The activity of the enzyme increases as the pH increases from 0 to 7 i.e in acidic medium but as the pH reaches 8, the enzyme activity starts decreasing which means the enzyme is not able to function properly.

The enzyme is made up of proteins which is composed of chain of amino acids. Thus in basic pH i.e pH above 8, the bonds of the amino acids break and the enzyme is said to get denatured as the shape of enzyme has changed.

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77julia77 [94]

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3 years ago

Match each scenario to its related biomolecules. Jack is eating a diet that will help him build muscle, so he eats a diet high i

Stells [14]

The options for this question are as follows:

A. Nucleic acids

B. Carbohydrates

C. Fats

D. Proteins

Now the correct answers of the match are as follows:

Jack is eating a diet that will help him build muscle, so he eats a diet high in this. D. Proteins

Explanation: Proteins help to build up the muscles. That's why people who want to do body-building, eat protein rich foods, like chicken, eggs, soy, etc.

Before a race, Ruth drinks a beverage full of this biomolecule to get energy. B. Carbohydrate

Explanation: This biomolecule provides instant energy to our body. For example, glucose is consumed before race, as dissolves quickly in our blood and provides instant energy. Glucose is an example of simplest carbohydrate.

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Explanation: Fats are the kind of biomolecule which is stored in our body in the adipose tissues. Also, when glucose is all used up by our body cells, the body starts to get energy from this stored fat.

Elizabeth has been advised to go for genetic screening to detect any abnormalities in her unborn child. A. Nucleic acids

Explanation: Every cell of our body has DNA, and it contains all the genetic information about the whole body. DNA is a kind of nucleic acid. If Elizabeth is going for test of the abnormality, it means she is going to test for the DNA of her child.

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3 years ago

How will I use the scientific method to become a better medical professional

Lena [83]

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3 years ago

Which best describes the role of a primary consumer in a food web?

Soloha48 [4]

Answer:

Herbivore that feeds on producers

Explanation:

The producers are plants at the bottom of the food web. These are eaten by herbivores, that are the primary consumers.

Herbivores themselves are consumed by carnivores, which are secondary consumers.

Sometimes, these carnivores can be consumed by top predators, like a shark, snake or eagle.

Options and why they are right/wrong

Carnivore that feeds on producers - carnivores do not feed on producers

Herbivore that feeds on producers - this is correct

Herbivore that feeds on primary consumers - primary consumers are animals and herbivores do not eat animals

Carnivore that feeds on primary consumers - this would be a secondary consumer

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Answer:

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