HONORS Semester One Final Exam 2021

How do heterotrophs get the energy they need to survive?

• photosynthesis

• eating other organisms

• decomposing dead materials

• chemosynthesis

Multicellular means

• made of many cells
• made of one kind of cell
• made of only one cell

Atoms become more _________ when they bond together.

• Stable

• Unstable

Which element is at the center of the four main molecules that make up living things?

• Carbon

• Oxygen

• Nitrogen

• Phosphorous

Large molecules are called:

• Monomers

• Polymers

• Carbohydrates

• Fats

Which picture is a monomer?

• 
• 

Which type of reaction will join monomers together (creating a polymer)?

• dehydration synthesis

• hydrolysis

Which does only eukaryotic cells contain?

• nucleus

• DNA

• cell membrane

• ribosomes

Check all of the monomer - polymer pairings that are correct

• monosaccharide - polysaccharide

• amino acid - nucleic acid

• glycerol & fatty acid - lipid

• nucleotide - nucleic acid

Which of the following is responsible for getting large or charged (polar) molecules across the cell membrane?

• E
• B
• C
• D