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Which is one purpose of cell division? A. to repair tissue B. to produce proteins C. to obtain food D. to use energy
A. to repair tissue
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Asked 11/13/2012 7:04:42 PM
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A child can run 21/2 blocks per minute. How long will it take him to run 6.5 blocks?
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Which feature is found in eukaryotic cells but not in prokaryotic cells? A. cytoplasm B. plasma membrane C. nucleus D. genetic material
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Asked 11/13/2012 5:21:42 PM
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Which statement best describes the relationship among proteins, DNA, and RNA? A. Proteins make DNA, and DNA makes RNA. B. RNA makes DNA, and DNA makes proteins. C. Proteins make RNA, and RNA makes DNA. D. DNA makes RNA, and RNA makes proteins.
Weegy: A. RNA makes DNA, and DNA makes proteins is the answer. User: Which structures are common to both plant and animal cells? A. a nucleoid and a cell membrane B. lysosome and genetic material C. a nucleus and a cell wall D. ribosomes and mitochondria Weegy: Ribosomes and mitochondria are common to both plant and animal cells. (More)
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Asked 11/13/2012 5:28:08 PM
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Which two cellular structures help cells move around? A. nuclei and cell walls B. chloroplasts and endomembrane systems C. cilia and flagella D. ribosomes and mitochondria
Weegy: C. Cilia and flagella are the two cellular structures that help cells move around. User: Why do cells use the process of diffusion? A. to produce proteins B. to carry out mitosis C. to convert food into energy D. to get rid of waste material Weegy: Cells use the process of diffusion D. to get rid of waste material User: Which phrase describes the role of the mitochondria? A. the powerhouse of the cell B. where genetic material is housed C. where proteins are manufactured D. where cells control water content Weegy: A. the powerhouse of the cell is the phrase that describes the role of the mitochondria. User: Which phrase best describes cellular respiration? A. the process where there is a movement of water across a membrane B. the physical division of the cell's cytoplasm C. the process that cells use to obtain energy from food D. the process where there is a movement of molecules to balance out their distribution Weegy: C. the process that cells use to obtain energy from food best describes cellular respiration. User: Which statement best describes the role of the cell membrane? A. It stores genetic material. B. It encloses the cytoplasm. C. It produces proteins. D. It breaks down food particles. Weegy: it controls the passage of materials into the cell best describes the role of the cell membrane (More)
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Asked 11/13/2012 5:42:52 PM
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Which phrase best describes osmosis? A. the process by which the cytoplasm physically divides B. the process of DNA synthesis C. the process where a selectively permeable membrane allows the movement of water through it D. the process where distribution of molecules is balanced out by their movement
Weegy: A. the process by which the cytoplasm physically divides best describes osmosis. User: Which two features indicate that a cell is a plant cell and not an animal cell? A. cell membrane, large size B. chloroplasts, cell wall C. central vacuole, mitochondria D. ribosomes, green color (More)
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Asked 11/13/2012 6:04:34 PM
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