Biological Molecules: Carbohydrates

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Which of the following best describes the primary function of carbohydrates in the body?

  • Catalyzing biochemical reactions
  • Providing structural support in cell walls
  • Providing energy through glucose (correct)
  • Storing genetic information

Saturated fatty acids are characterized by the presence of one or more carbon-carbon double bonds and are typically liquid at room temperature.

False (B)

Proteins are polymers of amino acids linked by ______ bonds.

peptide

Which level of protein structure is characterized by alpha-helices and beta-pleated sheets?

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

What are the three components of a nucleotide?

<p>A pentose sugar, a phosphate group, and a nitrogenous base.</p> Signup and view all the answers

Which of the following nitrogenous bases is NOT found in DNA?

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

A dehydration reaction is involved in the formation of disaccharides from monosaccharides.

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

Match the following polysaccharides with their primary function:

<p>Starch = Stored form of sugars in plants Glycogen = Storage form of glucose in humans Cellulose = Structural component of plant cell walls Chitin = Exoskeleton of arthropods and cell walls in fungi</p> Signup and view all the answers

Which of the following is a key function of lipids?

<p>Providing insulation and energy storage (C)</p> Signup and view all the answers

Describe the role of messenger RNA (mRNA) in protein synthesis.

<p>mRNA carries the genetic code from DNA to ribosomes</p> Signup and view all the answers

Flashcards

Biological Molecules

Large molecules necessary for life, built from smaller organic molecules.

Carbohydrates

Macromolecules that provide energy through glucose; include sugars, starches, and fibers.

Monosaccharides

Simple sugars with 3 to 7 carbon atoms; examples are glucose, fructose, and galactose.

Disaccharides

Formed when two monosaccharides undergo a dehydration reaction.

Signup and view all the flashcards

Polysaccharides

Long chains of monosaccharides linked by glycosidic bonds; examples are starch and cellulose.

Signup and view all the flashcards

Lipids

Hydrophobic macromolecules including fats, oils, waxes, phospholipids, and steroids.

Signup and view all the flashcards

Proteins

Macromolecules made of amino acids linked by peptide bonds, performing various functions.

Signup and view all the flashcards

Primary Structure

The sequence of amino acids in a protein.

Signup and view all the flashcards

Nucleic Acids

Main information-carrying molecules of the cell (DNA and RNA).

Signup and view all the flashcards

Nucleotide

Polymer of nucleotides containing a pentose sugar, a phosphate group, and a nitrogenous base.

Signup and view all the flashcards

Study Notes

The provided text simply reiterates the information already present in the existing study notes. Therefore, no updates or changes are needed.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser