Macromolecules and cells

According to the cell theory, where do cells come from?

• proteins
• preexisting cells
• nucleic acids
• unicellular animals

Which is one of the major functions of proteins in the cell?

• They help with the chemical breakdown of substances
• They are used for energy storage
• They contain genetic information
• They form protective membranes in cells

Tags

NGSS.HS-LS1-1

Cholesterol is an example of a ____________

• nucleic acid
• amino acid
• lipid
• carbohydrate

_____________ is the most important carbohydrate on Earth.

• Vitamin A
• Amylase
• Cholesterol
• Glucose

Which substance makes up 75% of the volume of  cells?

• amino acids
• sugar
• water
• nucleotide
  

DNA and RNA are made up of ____________

• amino acids
• sugar molecules
• nucleotides bond together
• lipids

Which characteristics of lipids makes them useful as protective barriers in cells?

• They contain starches
• They do not dissolve in water
• They are not macromolecules
• They contain genetic material

Ribosomes are found in ___________

• prokaryotic cells
• plant cells
• animal cells
• All of the above

Bacterial cells have a _________ DNA.

• Circular
• Linear
• Tetrahedral
• Octagonal

Prokaryotic cells and  eukaryotic cells have _____________

• a true nucleus
• membrane bounded organelles 
• ribosomes
• vacuoles