Q: What are the rod-like structures made of short microtubules that play an important part in cellular division? Choices: - cilia - mitochondria - fibrils - centrioles A:
centrioles
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Q: What type of tissues are major barriers to the entry of pathogens into the body? Choices: - skin - vascular - nasal - mucosal A:
mucosal
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Q: A tumor of what gland can cause hypersecretion of growth hormone? Choices: - tissues gland - Pancreas - Parathyroid - pituitary gland A:
pituitary gland
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Q: What is the main source of hydrocarbons? Choices: - photosynthesis - greenhouse gases - decomposers - fossil fuels A:
fossil fuels
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