Test #1: Organic Molecules, Cells & Cell Movement Review

Organisms contain DNA. What makes prokaryotic DNA different from eukaryotic DNA?

• the molecular shape

• the types of bases

• the sugar composition

• the presence of phosphates

Which of these is found in both prokaryotic and eukaryotic cells?

• vacuole

• nucleus

• mitochondrian

• cytoplasm

All cells, prokaryotic and eukaryotic, have a few common features. Which cell feature is found in both prokaryotic and eukaryotic cells?

• ribosome

• chloroplast

• nucleus

• endoplasmic reticulum

Which of the following allows a cell to become specialized?

• location of the cell in the body

• function of the cell in the body

• different patterns of gene expression

• different combinations of genes in the nucleus

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Which cellular structure in an animal cell helps maintain homeostasis by controlling the transportation of substances into and out of the cell?

• vacuole

• cell wall

• mitochondrian

• cell membrane

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In a multicellular organism, the lungs are responsible for exchanging gases with the organism’s environment. Which cellular structure performs the same task for a cell?

• chloroplast

• mitochondrian

• plasma membrane

• endoplasmic reticulum

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A researcher observes membrane-bound structures in a cell. Based on this observation, the researcher can conclude that the cell is classified as a

• bacterium

• virus

• prokaryote

• eukaryote

Of the following types of cells, which has the highest concentration of mitochondria?

• bone

• muscle

• nerve

• skin

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What is the main function of the chloroplasts in plant cells?

• to produce glucose through the process of photosynthesis

• to keep the cell rigid

• to make the cell divide

• to allow the plant to reproduce

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NGSS.HS-LS2-5

Where are proteins synthesized?

• mitochondria

• ribosomes

• centrioles

• lysosomes