Exploring Biomolecules in Biology

This video is part of a 30-day biology study challenge, focusing on biomolecules, the building blocks of life. It covers the four main types of biomolecules: carbohydrates, lipids, proteins, and nucleic acids, discussing their functions, structures, and how they work together in living organisms. The video also includes lab techniques for identifying these molecules and provides practice questions to reinforce learning.

What term is used to describe large biological molecules?

• Pico molecules

• Nano molecules

• Macro molecules

• Micro molecules

Which component is not a part of a nucleotide?

• Lipid

• Sugar

• Phosphate

• Base

Which of the following is not a function of proteins?

• Structural support

• Storing genetic information

• Transporting materials

• Sending signals

What does DNA code for?

• Lipids

• Carbohydrates

• Nucleic acids

• Proteins

What is the primary function of carbohydrates in organisms?

• Catalyzing reactions

• Energy provision

• Genetic information storage

• Structural support

Which molecule forms the structure of cell membranes?

• Proteins

• Phospholipids

• Cellulose

• Starch

Which test is used to identify proteins in the lab?

• Benedict's reagent

• Brown paper bag test

• Biuret reagent

• Iodine test

Which test is used to identify the presence of simple sugars?

• Biuret reagent

• Benedict's reagent

• Iodine test

• Brown paper bag test

What is the monomer of proteins?

• Fatty acids

• Nucleotides

• Amino acids

• Monosaccharides

What property of the R group in amino acids affects protein structure?

• Size

• Shape

• Electrical charge

• All of the above