Biology EOC Final Review #1

All biological macromolecules contain which of the following elements?

• carbon

• nitrogen

• phosphorus

• calcium

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What function is shared by both carbohydrates and lipids?

• catalyze chemical reactions

• energy storage

• membrane transport

• transmit genetic information

Nucleic acids including DNA and RNA ultimately produce what other type of macromolecule?

• carbohydrates

• lipids

• proteins

• glucose

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Which of the following is NOT a function of proteins?

• structural

• catalyze chemical reactions

• chemical signals

• energy storage

Enzymes are proteins that are?

• specific to a particular substrate

• reusable and unchanged

• biological catalysts

• all of the above

All cells include which of the following?

• nucleus

• cell wall

• ribosomes

• mitochondria

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The main difference between prokaryotic and eukaryotic cells is the presence or absence of ?

• ribosomes

• nucleus

• plasma membrane

• cytoplasm

Which of the following types of cells DO NOT have cell walls?

• plants

• fungi

• animals

• bacteria

Which of the following eukaryotic organelles were originally free-living cells engulfed through a process called endosymbiosis?

• nucleus

• plasma membrane

• ribosomes

• chloroplasts and mitochondria

If you place a saltwater fish into a freshwater tank, which of the following will likely happen to its cells?

• shrivel and die

• swell and burst

• neither shrink or swell

• first shrink then swell

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