Biology Chapter on Nucleic Acids and Proteins
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Questions and Answers

Pyrimidine bases include cytosine, thymine, and ______.

uracil

What nucleic acid stores genetic information?

Deoxyribonucleic acid

Nucleotides are made from a sugar, a base, and a _____ group.

phosphate

What nucleic acid carries genetic information from DNA to ribosomes?

<p>RNA</p> Signup and view all the answers

What is the monomer of a nucleic acid?

<p>Nucleotide</p> Signup and view all the answers

What are the bonds between amino acids called?

<p>Peptide</p> Signup and view all the answers

What are specialized proteins that act like catalysts?

<p>Enzymes</p> Signup and view all the answers

A monomer of a protein is called a _____

<p>amino acid</p> Signup and view all the answers

What is produced when two amino acids form a dipeptide?

<p>Water</p> Signup and view all the answers

Adenine and Guanine are _____ bases.

<p>purine</p> Signup and view all the answers

COOH is known as _____ acid.

<p>carboxylic</p> Signup and view all the answers

Enzymes are a type of _______.

<p>protein</p> Signup and view all the answers

A _____ is found in proteins but not in lipids.

<p>nitrogen</p> Signup and view all the answers

_____ fats contain double bonds and a minimum number of hydrogens in their molecular formula.

<p>Unsaturated</p> Signup and view all the answers

What is the monosaccharide also known as 'blood sugar'?

<p>Glucose</p> Signup and view all the answers

What term describes large compounds produced by joining together smaller compounds?

<p>Polymerization</p> Signup and view all the answers

What process splits polysaccharides back into monosaccharides?

<p>Hydrolysis</p> Signup and view all the answers

This group of organic compounds includes fats, oils, and waxes.

<p>Lipid</p> Signup and view all the answers

This group of simple sugars are the monomers that make up more complex carbohydrates.

<p>Monosaccharide</p> Signup and view all the answers

What term is used to describe a 'double-sugar'?

<p>Disaccharide</p> Signup and view all the answers

This is the polysaccharide used by animals to store excess sugar in their bodies.

<p>Glycogen</p> Signup and view all the answers

What is the monomer of a lipid?

<p>Triglyceride</p> Signup and view all the answers

_____ compounds are simply chemical compounds that contain carbon in their molecular formulas.

<p>Organic</p> Signup and view all the answers

What is a general term used to describe the 'building blocks' of a polymer?

<p>Monomer</p> Signup and view all the answers

_____ synthesis is the polymerization process in which a water molecule is lost.

<p>Dehydration</p> Signup and view all the answers

What is the polysaccharide used by plants to store excess sugar in their tissues?

<p>Starch</p> Signup and view all the answers

These organic molecules contain carbon, hydrogen, and oxygen in a ratio of 1:2:1.

<p>Carbohydrates</p> Signup and view all the answers

Study Notes

Nucleic Acids

  • Pyrimidine bases: Include cytosine, thymine, and uracil.
  • Deoxyribonucleic acid (DNA): Stores genetic information.
  • Nucleotide composition: Comprised of a sugar, a base, and a phosphate group.
  • RNA (Ribonucleic acid): Carries genetic information from DNA to ribosomes, essential for protein synthesis.

Protein Structure

  • Nucleotide: The monomer unit of nucleic acids.
  • Peptide bonds: Form between amino acids, linking them to create proteins.
  • Enzymes: Specialized proteins functioning as catalysts to accelerate biochemical reactions.
  • Amino acid: The monomer building block of proteins.

Biological Reactions

  • Dipeptide formation: The reaction between two amino acids results in the production of water.
  • Purine bases: Include adenine and guanine, key components of nucleic acids.
  • Carboxyl group (COOH): Also known as carboxylic acid, significant in the structure of amino acids.

Organic Compounds

  • Proteins: Enzymes are classified under proteins, highlighting their functional roles in biological processes.
  • Nitrogen: A unique element present in proteins but absent in lipids.
  • Unsaturated fats: Contain double bonds, resulting in a lower hydrogen count in their molecular structure.

Carbohydrates

  • Glucose: Recognized as "blood sugar," a key monosaccharide for energy.
  • Polymerization: The process of creating large compounds from smaller units.
  • Hydrolysis: A reaction that breaks down polysaccharides into monosaccharides using water.
  • Lipid classification: Encompasses fats, oils, and waxes.

Sugar Types

  • Monosaccharides: The simplest form of sugars, serving as monomer units for complex carbohydrates.
  • Disaccharides: Defined as "double sugars" formed from two monosaccharides.
  • Glycogen: The polysaccharide utilized by animals for energy storage, particularly in the liver.
  • Starch: The analogous polysaccharide in plants, used for storing excess glucose.

Fundamental Terms

  • Triglyceride: The monomer unit of lipids, important for energy storage.
  • Organic compounds: Defined by the presence of carbon in their molecular formulas.
  • Monomer: The basic building block for polymers, essential in biochemistry.
  • Dehydration synthesis: A polymerization process where the formation of larger molecules results in the loss of water.

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Description

This quiz explores the fundamental concepts of nucleic acids and protein structure, including the roles of DNA, RNA, amino acids, and enzymes. Participants will test their knowledge on the composition, functions, and reactions involved in biological processes. Get ready to dive into the essential building blocks of life!

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