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Biochemistry Lesson 1: Introduction to Biochemistry

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Biochemistry Lesson 1: Introduction to Biochemistry

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Questions and Answers

What is the aim of biochemistry?

To determine the ways in which molecules interact with each other

To study the chemical reactions in a cell

To describe and explain chemical processes in molecular terms (correct)

To understand the chemical properties of molecules

Which of the following areas does biochemistry provide essential knowledge for?

Literature & History

Genetics & Molecular Biology (correct)

Economics & Political Science

Astronomy & Geology

Who is known as the Father of Biochemistry?

Francis Crick

James Watson

Hans Adolf Krebs

Carl Neuberg (correct)

Which scientist discovered the helical structure of the DNA molecule?

Francis Crick Signup and view all the answers

What did Hans Adolf Krebs discover in 1953?

The biochemical steps of the Krebs cycle in carbohydrate metabolism Signup and view all the answers

What is biochemistry concerned with?

Various molecules occurring in living cells and organisms with their chemical reaction Signup and view all the answers

Which element is the most abundant in the human body by mass?

Oxygen Signup and view all the answers

What is the primary role of hydrogen in the human body?

Structural role in organic molecules Signup and view all the answers

What is the major role of nitrogen in the human body?

Component of essential organic molecules Signup and view all the answers

Which element is essential for protein synthesis, maintaining the potential difference across cell membranes, and acting as second messengers in signal transduction pathways?

Phosphorus Signup and view all the answers

What is the primary role of potassium in the human body?

Nerve transmission Signup and view all the answers

What is the main function of calcium in the human body?

Formation of bones and teeth Signup and view all the answers

Which element is a major structural element of the protein keratin found in skin and hair?

Sulfur Signup and view all the answers

What is the main role of phosphorus in the human body?

Component of essential organic molecules Signup and view all the answers

What is the most abundant metal in the human body by mass?

Calcium Signup and view all the answers

What is the most abundant element in the universe (about 75% of total mass) and makes up around 10% of the human body by mass?

Hydrogen Signup and view all the answers