Understanding Carbohydrates and Transport

What is the monomer of carbohydrates?

• Amino acids

• Simple Sugars

• Nucleotides

• Fatty acids

Which of the following is a primary purpose of carbohydrates in living organisms?

• Storing genetic information

• Providing short term energy

• Catalyzing chemical reactions

• Providing long term energy

Which of the following is an example of a carbohydrate?

• Hemoglobin

• Glucose

• DNA

• Cholesterol

What is the definition of diffusion?

• Movement of particles from an area of low concentration to high concentration

• Movement of particles from an area of high concentration to low concentration

• Movement of water across a semipermeable membrane

• Movement of ions against a concentration gradient

Tags

NGSS.HS-LS2-3

What is the definition of active transport?

• Movement of particles from an area of high concentration to low concentration

• Movement of particles without energy input

• Movement of particles against a concentration gradient using energy

• Movement of water across a semipermeable membrane

Tags

NGSS.HS-LS2-3

Which of the following diagrams best represents diffusion?

• Particles moving from low to high concentration

• Particles moving from high to low concentration

• Particles moving randomly with no net movement

• Particles moving in a circular pattern

Which of the following diagrams best represents active transport?

• Particles moving from high to low concentration without energy

• Particles moving from low to high concentration using energy

• Particles moving randomly with no net movement

• Particles moving in a circular pattern

How is starch related to glucose?

• Starch is a protein made from glucose

• Starch is a lipid made from glucose

• Starch is a complex carbohydrate made from glucose

• Starch is a nucleic acid made from glucose

Tags

NGSS.HS-LS1-6

Which chemical indicator is used to test for the presence of starch?

• Benedict's solution

• Iodine solution

• Biuret solution

• Sudan III

What color change indicates the presence of starch when using iodine solution?

• Blue to red

• Red to blue

• Brown to blue-black

• Yellow to green