LS.Bio.1.1

LB.Bio.1.1 Biomolecules and Enzymes remediation

Multiple Choice

What group includes monosaccharides?

• lipids

• carbohydrates

• proteins

• nucleic acids

Multiple Choice

Which major group of macromolecules are the fastest source of energy?

• proteins

• carbohydrates

• lipids

• nucleic acids

Multiple Choice

What type of biological molecule does the body use for long-term energy storage?

• amino acid

• DNA

• lipid

• carbohydrate

Multiple Choice

Which of the following does NOT describe catalysts?

• They increase the speed of a chemical reaction.

• They are substrate specific.

• They are usually proteins.

• They are permanently altered in a chemical reaction.

Multiple Choice

What are the monomers that make up a DNA polymer?

• amino acids

• nucleotides

• glucose

• RNA

Multiple Choice

An organism's genetic information is stored in polymers of which type of macromolecule

• Nucleic acid

• proteins

• carbohydrates

• lipids

Multiple Choice

Which is a correct statement about carbohydrates?

• Carbohydrates function in energy storage.

• Carbohydrates function as catalysts.

• Carbohydrates are hydrophobic.

• Carbohydrates function as transport molecules in membranes.

Multiple Select

Select five of the following options that are considered to be the basic nutrients.

• Carbohydrate

  Minerals

  Fiber

  Nitrogen

• Carbohydrate

  Fiber

  Nitrogen

  Fat

• Carbohydrate

  Minerals

  Water

  Fat

  Protein

• Minerals

  Water

  Fiber

  Nitrogen

  Fat

Multiple Choice

Which of the following is a characteristic of enzymes?

• highly specific catalysts

• highly inefficient

• not easily controlled

• increase activation energy

Multiple Choice

Which of the following is a correct match between the lipid and its function?

• phospholipid: chemical messenger (hormone) used in animal cell communications

• wax: maintains the fluid nature of the plasma membrane

• 
  triglyceride: energy storage molecule

• cholesterol: the plasma membrane of cells is mostly made of this

Multiple Choice

What are the building blocks of proteins?

• amino acids

• glucose

• glycerol

• sugars

Multiple Choice

Which catalytic protein speeds up the chemical reactions that take place within an organism?

• Enzyme

• lipid

• inhibitor

• sugar

Multiple Choice

Why are enzymes important in digestion?

• They change inorganic compounds into organic ones.

• They control photosynthetic processes.

• They let reactions repeat without energy.

• They allow reactions to occur rapidly and at body temperature.