B) After determining the optimum pH, they could vary the temperature of the environment to see if catalase is temperature specific
Enzymes are proteins which catalyze reactions by acting on substrates in order to speed up reactions- like the breakdown of large polysaccharides by amylase. Here, the enzyme catalase facilitates the breakdown of hydrogen peroxide into oxygen and hydrogen. Catalase specificity is affected by pH, temperature and the presence of inhibitors.
In temperatures beyond its optimal range, catalase may undergo changes to its physical structure called denaturation; when denatured, enzymes lose their ability to bind specifically to their substrate -i.e. substrate binding specificity is lost. H2O2 would no longer be able to bind to the active site, and thus would not be broken down.
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Answer: Carbohydrates are the body’s main source of energy. The fruit, vegetables, dairy, and grain food groups all contain carbohydrates.
Carbohydrates are the body’s main source of energy but Fats give you more energy. They help the body absorb certain vitamins. Many foods naturally contain fats, including dairy products; meats, poultry, seafood, and eggs; and seeds, nuts, avocados, and coconuts.
The burger would have more energy from eating it because it has a large amount proteins in it that can help your body. A apple can give you energy too because it is a carbohydrate but it wouldn’t be enough.
Answer:
Electrons are many thousand times smaller than the nucleus and negatively charged.
Explanation:
Electrons possess negligible mass and carry a negative charge.
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Answer:
Vector
Explanation:
A vector is an organism that transports a disease from one organism to another.
Answer: The correct answer is-
C) Genes.
Traits are the particular characteristics of an individual ( such as eye color, skin color, hair color) that are depicted by genes ( segment of DNA that corresponds to particular protein, which determines specific trait of an individual).
Genes carry genetic information ( in the form of DNA sequence) that is passed from one generation to the next.
Gregor Mendel studied different genes ( corresponding to traits of pea plant) and their pattern of inheritance.
Thus, scientist used his data to conclude that traits are passed from parents to offspring through genes.
