The main difference between prokaryotic cells and eukaryotic cells is A. prokaryotic cells have more internal, membrane-bound compartments than eukaryotic cells. B. eukaryotic cells have membrane-bound subcellular compartments, called organelles, and prokaryotic cells do not. C. prokaryotic cells have linear DNA and eukaryotic cells have circular DNA. D. prokaryotic cells have a nucleus and eukaryotic cells do not. E. eukaryotic cells contain double-stranded DNA while prokaryotic cells do not

If a cell is placed in a hypotonic solution, which will occur? A. Salts will move into the cell from the surrounding solution.B. Water will move into the cell from the surrounding solution.C. Salts will move out of the cell into the surrounding solution.D. Water will move out of the cell into the surrounding solution.E. None of the choices will occur.

The organelle that best enables an athlete’s tissues to be metabolically active are A. ribosomes.B. lysosomes.C. smooth endoplasmic reticulum.D. mitochondria.E. contractile vacuoles.

Microfilaments such as actin, microtubules, and the intermediate filaments form the cell-supporting structure called the ______________. A. cytoplasm B. plasma membrane C. cytoskeleton D. centrioles

The second shell of atom can hold a maximum of____electrons a. two b. four c. eight d. sixteen

Which one of the following properties is not a characteristic of all living organisms? a. Maintenance of relatively stable internal conditions b. Adaptation to environmental factors in ways that influence survival c. Production of nutrients by photosynthesis d. Growth and reproduction e. Response to stimuli

Why is ATP important in living organisms?a. It is easily converted to starch for long-term storage.b. It can transfer some of its energy to other chemicals.c. It is an important structural component of cell membranes.d. Like all other nucleic acids, it stores hereditary information.e. Like RNA, it acts as a source code for the formation of proteins.

To observe the three-dimensional structure of a cell the best type of microscopy would be A. fluorescence microscopy. B. standard light microscopy. C. scanning electron microscopy. D. differential-interference light microscopy. E. transmission electron microscopy.

. ____ is a cell engulfing large solid materials, and ____ is a cell engulfing materials dissolved in solution. A. Endocytosis; exocytosisB. Exocytosis; endocytosisC. Phagocytosis; pinocytosisD. Pinocytosis; phagocytosis

______________ function in the collection, packaging, and distribution of molecules made in the cell.A) MitochondriaB) RibosomesC) Golgi bodiesD) PeroxisomesE) Vacuole