At the Present Rate of Births and Deaths in the World,we

question 36

Multiple Choice

At the present rate of births and deaths in the world,we are adding about _____ million inhabitants every year.

• A) 50
• B) 10
• C) 80
• D) 250

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Definitions:

Histones

Proteins that package and order DNA into structural units called nucleosomes, playing key roles in gene regulation.

Purine

A type of nitrogenous base found in DNA and RNA, including adenine and guanine, which pairs with pyrimidine bases in the genetic code.

Pyrimidine

One of the two types of nitrogenous bases found in nucleic acids, including cytosine, thymine (in DNA), and uracil (in RNA).

DNA Ligase

Enzyme that seals strand breaks or gaps in double-stranded DNA.