Molecular Genetics Basics Quiz

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Questions and Answers

What is molecular genetics?

Molecular genetics is the field of biology that studies the structure and function of genes at a molecular level, employing methods of both molecular biology and genetics.

What does molecular genetics aim to understand?

Molecular genetics aims to understand the molecular basis of biological processes through studying gene structure, function, and regulation below the organism level, as well as the expression of genes.

What are the main methods employed in molecular genetics?

Molecular genetics employs methods of both molecular biology and genetics to study the structure and function of genes at a molecular level.

What did chemists learn about the general structure of DNA and a related compound by the end of the 19th century?

Chemists learned the general structure of DNA and a related compound, ribonucleic acid (RNA). Signup and view all the answers

Who discovered nuclein in the cell nucleus and what is it now known as?

Friedrich Miescher discovered nuclein, which is now known as deoxyribonucleic acid (DNA). Signup and view all the answers

What did the work with Streptococcus pneumoniae involve, and what was the aim of the work?

The work with Streptococcus pneumoniae involved attempting to develop a vaccine against pneumonia by separating DNA and proteins, and then attempting to see which substance could transform live/nonpathogenic bacteria into pathogenic bacteria. Signup and view all the answers

What was known about genetic material and chromosomes before the early 20th century?

It was known that genetic material was located on a chromosome, and this genetic material was in discrete units called genes. Signup and view all the answers