Answer:
Thymine
Explanation:
Uracil is the nitrogenous base present only in RNA, but not in DNA. ... DNA have thymine, guanine, adenine and cytosine. Thymine is replaced by uracil in RNA.
Answer: Option D) cofactor that is an activator of the enzyme.
Explanation:
A cofactor is a non-organic component (usually a metal) of an enzyme or protein, that enhances its function. Good examples of Cofactors include iron in hemoglobin, zinc in carboxypeptidase.
Zinc at the active site of the enzyme, carboxypeptidase helps it in cleaving off aromatic amino acids.
A
<u>The total CO2 released by a person</u> is known as carbon footprint.
Explanation:
It is used to categorize the amount of carbon dioxide (and other greenhouse gases) that every human - due to human activities such as driving - are emitting into the atmosphere. It is equivalent to per capita carbon emission. The carbon footprint per person in the US, for example, is 16 tonnes which is also interpreted as the average production of carbon dioxide per person.
Countries are putting measures to curb increasing carbon footprints by enacting policies like a carbon tax and incentives towards renewable energy sources. This is in an effort to reduce global warming.
Learn More:
For more on carbon footprint check out;
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Answer:
Explanation: Loss of habitat (destruction) and loss of genetic variation. Another reason could include hunting.
