Biochemistry Lesson 1: Introduction to Biochemistry
16 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

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?

<p>Francis Crick (D)</p> Signup and view all the answers

What did Hans Adolf Krebs discover in 1953?

<p>The biochemical steps of the Krebs cycle in carbohydrate metabolism (C)</p> Signup and view all the answers

What is biochemistry concerned with?

<p>Various molecules occurring in living cells and organisms with their chemical reaction (A)</p> Signup and view all the answers

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

<p>Oxygen (B)</p> Signup and view all the answers

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

<p>Structural role in organic molecules (D)</p> Signup and view all the answers

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

<p>Component of essential organic molecules (D)</p> 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?

<p>Phosphorus (B)</p> Signup and view all the answers

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

<p>Nerve transmission (A)</p> Signup and view all the answers

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

<p>Formation of bones and teeth (B)</p> Signup and view all the answers

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

<p>Sulfur (C)</p> Signup and view all the answers

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

<p>Component of essential organic molecules (A)</p> Signup and view all the answers

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

<p>Calcium (D)</p> 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?

<p>Hydrogen (A)</p> Signup and view all the answers

Flashcards

What is biochemistry?

The study of chemical processes within living organisms, focusing on the structure and function of biomolecules.

Why is biochemistry important for Genetics & Molecular Biology?

It provides a fundamental understanding of genetic mechanisms, molecular interactions, and cellular processes.

Who is Carl Neuberg?

A German chemist known for his pioneering work in biochemistry, particularly his research on fermentation and sugar metabolism.

Who discovered the structure of DNA?

This scientist, along with James Watson, discovered the double helix structure of DNA.

Signup and view all the flashcards

What is the Krebs cycle?

Hans Adolf Krebs discovered the biochemical steps involved in the citric acid cycle, a key process in energy production within cells.

Signup and view all the flashcards

What is biochemistry concerned with?

Biochemistry investigates the structure and function of various molecules found in living cells and organisms, including their chemical reactions.

Signup and view all the flashcards

What is the most abundant element in the human body?

Oxygen is the most abundant element in the human body by mass, essential for respiration and energy production.

Signup and view all the flashcards

What is hydrogen's role in the body?

Hydrogen plays a crucial structural role in organic molecules, forming the backbone of many biomolecules.

Signup and view all the flashcards

What is the role of nitrogen in the body?

Nitrogen is a key component of essential organic molecules like proteins, nucleic acids, and amino acids.

Signup and view all the flashcards

What is the role of phosphorus in the body?

Phosphorus is essential for protein synthesis, maintaining cell membrane potential, and acting as signaling molecules.

Signup and view all the flashcards

What is the main function of potassium?

Potassium is vital for nerve transmission and muscle contraction, maintaining the balance of electrolytes in the body.

Signup and view all the flashcards

What is the role of calcium?

Calcium is crucial for bone and teeth formation, muscle contraction, and blood clotting.

Signup and view all the flashcards

What is the role of sulfur?

Sulfur is a major component of the protein keratin, found in hair, skin, and nails.

Signup and view all the flashcards

What is the role of phosphorus in organic molecules?

Phosphorus is a key component of essential organic molecules, including ATP, DNA, and RNA.

Signup and view all the flashcards

What is the most abundant metal in the human body?

The most abundant metal in the human body is calcium, contributing to bone and teeth strength.

Signup and view all the flashcards

What is the most abundant element in the universe?

Hydrogen is the most abundant element in the universe and makes up about 10% of the human body by mass, playing a crucial role in water and organic molecules.

Signup and view all the flashcards

More Like This

Chemical Elements in the Human Body
12 questions

Chemical Elements in the Human Body

HumourousHarpy avatar
HumourousHarpy
Minerals and Trace Elements in Human Body
30 questions

Essential Elements in the Human Body Quiz and Flashcards

IrreplaceableGuitar7485 avatar
IrreplaceableGuitar7485
Composition of the Human Body
40 questions

Composition of the Human Body

LaudableHydrangea avatar
LaudableHydrangea
Use Quizgecko on...
Browser
Open
Browser
Browser