Biology: Chemical Basis of Life

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

Which type of fatty acids contain the maximum number of hydrogen atoms per carbon atom?

  • Unsaturated fatty acids
  • Deoxyribonucleic acids
  • Saturated fatty acids (correct)
  • Nucleic acids

What is the main difference between saturated and unsaturated fatty acids?

  • Their state at room temperature
  • The number of hydrogen atoms per carbon atom (correct)
  • Their chemical formula
  • The number of carbon atoms they contain

What are the two main types of nucleic acids?

  • DNA and RNA (correct)
  • RNA and lipids
  • DNA and proteins
  • Proteins and carbohydrates

Which element is NOT present in nucleic acids?

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

What is the function of RNA in living organisms?

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

Which structural unit makes up the nucleic acid RNA?

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

Which of the following foods contain carbohydrates?

<p>Potato, Grains, Sugar (A)</p> Signup and view all the answers

What is the main elemental composition of carbohydrates?

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

What type of molecules join to form a disaccharide?

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

Which of the following is not an example of a disaccharide?

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

Where are disaccharides typically found?

<p>As sweet, water-soluble crystals (A)</p> Signup and view all the answers

What is released when two monosaccharides join to form a disaccharide?

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

Which elements are the most common in living organisms?

<p>Carbon, Hydrogen, Oxygen &amp; Nitrogen (D)</p> Signup and view all the answers

What is the main difference between organic and inorganic compounds?

<p>Organic compounds contain carbon while inorganic compounds do not. (C)</p> Signup and view all the answers

Which of the following is NOT a biological molecule?

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

What are some examples of inorganic molecules essential for the maintenance of life?

<p>Water, minerals, and gases (C)</p> Signup and view all the answers

Which of the following elements is essential for the survival of organisms according to the text?

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

How are organic compounds defined?

<p>Compounds that build up living matter (A)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Browser