Biology Midterm

What characteristic differentiates a prokaryote from a eukaryote?

• presence of ribosomes
• ability to reproduce
• presence of a nucleus/nuclear membrane
• ability to remain stable

What is the function of ribosomes?

• synthesize lipids
• synthesize ribosomes
• synthesize proteins
• synthesize hormones

What is the monomer of a carbohydrate (polysaccharide)?

• amino acids
• glycerol + fatty acids
• monosaccharaides
• nucleotides

Which level of organization is correct from smallest to largest?

• organ, cell, organ system, tissue
• organ, organism, organ system, tissue
  cell, organism, organ system
• cell, tissue, organ, organ system
• tissue, organ, organ system, organism

What is the monomers of lipids?

• amino acids
• carbohydrates
• glucose
• glycerol + fatty acids

Which macromolecule stores energy, insulates us, and makes up the cell membrane?

• lipids
• proteins
• carbohydrates
• nucleic acids

Another name for fats and oils

• proteins
• sugar
• lipids
• nucleic acids

What is the function of nucleic acids?

• Stores energy
• Stores genetic information
• Movement
• Physical structure

What is the monomer of proteins?

• amino acids
• polypeptides
• nucleotides
• monosaccharides

Most enzymes:

• speed up the chemical reaction
• have no effect on the rate of the chemical reaction
• slow the rate of the chemical reaction
• keep the rate of the chemical reaction the same