Introduction to Molecular Biology

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Questions and Answers

What is the function of RNA in the cell?

  • To form enzymes that send signals to other cells
  • To transfer short pieces of information to different parts of the cell (correct)
  • To hold information on how the cell works
  • To provide templates for protein synthesis

Which molecules are considered the three critical molecules of life?

  • Enzymes, hormones, and antibodies
  • Nucleic acids, amino acids, and sugars
  • Proteins, carbohydrates, and lipids
  • Deoxyribonucleic acid (DNA), ribonucleic acid (RNA), and proteins (correct)

What is the function of DNA in the cell?

  • To hold information on how the cell works (correct)
  • To provide templates for protein synthesis
  • To form enzymes that send signals to other cells
  • To transfer short pieces of information to different parts of the cell

What are proteins primarily responsible for in the body?

<p>Forming the body's major components (B)</p> Signup and view all the answers

How is genetic information transferred to new cells?

<p>Through the use of nucleic acids (DNA &amp; RNA) (D)</p> Signup and view all the answers

Which molecule holds information on how a cell works?

<p>Deoxyribonucleic acid (DNA) (B)</p> Signup and view all the answers

Which molecule acts to transfer short pieces of information to different parts of the cell?

<p>Ribonucleic acid (RNA) (A)</p> Signup and view all the answers

What are proteins primarily responsible for in the body?

<p>Forming enzymes that send signals to other cells and regulate gene activity (C)</p> Signup and view all the answers

What is the complete set of DNA of an organism called?

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

What is the study of gene structure and functions at the molecular level called?

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

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