Q: What two types of junctions do animal cells have? Choices: - gap and solid - loose and tight - standard and specialized - tight and gap A:
tight and gap
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Q: In science, what is constantly tested, sometimes revised, sometimes thrown out and sometimes well-established? Choices: - a technique - a study - a variable - a theory A:
a theory
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Q: What is a specific region in space within which a sensory receptor is responsive to stimuli? Choices: - deceptive field - amplify field - symmetrical field - receptive field A:
receptive field
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Q: What is the process by which organisms break down chemicals to make food energy? Choices: - excretion - gametogenesis - electrolysis - chemosynthesis A:
chemosynthesis
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