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The mechanisms that regulate when a cell divides fail to work in cancer patients. True False
Weegy: True - The mechanisms that regulate when a cell divides fail to work in cancer patients. User: Flatworms can be cut in half, creating two new individuals, by _____. binary fission multiple fission fragmentation budding Weegy: budding. (More)
Question
Expert Answered
Updated 9/16/2014 5:04:30 PM
1 Answer/Comment
Flatworms can be cut in half, creating two new individuals, by FRAGMENTATION.
Added 9/16/2014 5:04:30 PM
This answer has been confirmed as correct, not copied, and helpful.
Angiosperms _____. have flowers have cones are nonvascular are seedless
Weegy: Are not there choices? (More)
Question
Expert Answered
Updated 9/16/2014 5:06:01 PM
1 Answer/Comment
Angiosperms: have flowers.
Added 9/16/2014 5:06:01 PM
This answer has been confirmed as correct, not copied, and helpful.
The cell theory teaches that _____. A. the basic unit of life is the organism B. the basic unit of life is the cell C. all cells have the same basic structure D. cells are miniature reflections of the organisms from which they are taken
Weegy: The cell theory teaches that the basic unit of life is the cell. User: A light microscope that makes the specimen appear light on a dark background is called a(n) _____. A. compound microscope B. electron microscope C. dark-field microscope Weegy: A light microscope that makes the specimen appear light on a dark background is called a dark-field microscope. User: The plasma membrane is a _____ bilayer. A. lipid B. phospholipid C. carbohydrate D. protein Weegy: Lipid User: When an animal cell is placed in a hypotonic solution, _____. A. it will gain water and may burst B. it will lose water and shrink C. it will remain the same size D. the cell's reaction cannot be determined Weegy: A. it will gain water and may burst User: When the cell excretes sodium from within, against the natural tendency of matter, it is performing _____. A. passive diffusion B. facilitated diffusion C. active transport D. pinocytosis Weegy: Sorry. but I can't help you with that one. User: oh its alright how bout this one? The plasma membrane is _____. A. permeable B. semipermeable C. rigid D. around the nucleus Weegy: The plasma membrane is permeable to specific molecules, however, and allows nutrients and other essential elements to enter the cell and waste materials to leave the cell. User: Water can move freely through the membrane from a higher to a lower concentration in a transportation process called _____. permeability osmosis mitosis meiosis Weegy: Osmosis User: A cell is placed in a water solution with the same salt concentration as the cell. The cell is placed in a _____. hypotonic solution hypertonic solution isotonic solution Weegy: Isotonic solution: A solution that has the same salt concentration as the normal cells of the body and the blood. As opposed to a hypertonic solution or a hypotonic solution. (More)
Question
Expert Answered
Updated 9/16/2014 4:56:55 PM
3 Answers/Comments
The plasma membrane is a PHOSPHOLIPID bilayer.
Added 9/16/2014 4:53:22 PM
This answer has been confirmed as correct, not copied, and helpful.
When the cell excretes sodium from within, against the natural tendency of matter, it is performing ACTIVE TRANSPORT.
Added 9/16/2014 4:56:00 PM
This answer has been confirmed as correct, not copied, and helpful.
The plasma membrane is SEMIPERMEABLE.
Added 9/16/2014 4:56:55 PM
This answer has been confirmed as correct, not copied, and helpful.
Sexual reproduction in paramecium is called _____. conjugation fission meiosis
Weegy: meiosis User: are you sure? Weegy: check out this site User: I believve you now In the amoeba, water input and output are controlled by the _____. nucleus food vacuole vacuole pseudopodia Weegy: In an amoeba, the water content is controlled by the contractile vacuole. It fills with water (entering the amoeba by osmosis) and then empites the water once it reaches a certain level. [ If water was not displaced by the contractile vacuole, then the amoeba would burst. ] User: so it wouldnt be food vacuole? Weegy: I am not quite sure. Let me check it, please wait. User: alright... Weegy: The correct answer is contractile vacuole not food vacuole. Here is the definition of food vacuole - a membrane-bound vacuole (as in an amoeba) in which ingested food is digested User: Algae are limited to restricted environmental and climatic zones. True False Weegy: True - algae can only grow in wet areas, such as aquariums, or swamps, where it is possibly hot or humid. User: Edward Jenner is responsible for the smallpox vaccination. True False Weegy: True User: Nitrogen fixation makes nitrogen gas useful to crops. True False Weegy: True User: Instead of having roots and leaves, molds grow as thread-like filaments called _____. cilia spores hyphae flagella Weegy: hyphae User: Prokaryotes fall under the _____ and _____ domains. Archaea; Bacteria Archaea; Eubacteria Bacteria; Protista Bacteria; Eukarya Weegy: A.Archaea; Bacteria User: The common cold, the flu, food poisoning, and toothaches all stem from _____. pathogens eubacteria archaea rickettsia Weegy: pathogens (More)
Question
Expert Answered
Updated 10/30/2011 5:53:04 AM
5 Answers/Comments
[Deleted]
Added 10/24/2011 6:26:10 PM
For the first question, the answer is conjugation, not meiosis
Added 10/30/2011 5:51:46 AM
[Deleted]
Added 10/30/2011 5:53:04 AM
Artificially stimulating antibodies to a disease is called _____. immunity immunization viral detection
Question
Not Answered
Updated 11/3/2010 9:17:12 AM
1 Answer/Comment
Artificially stimulating antibodies to a disease is called immunization.
Added 11/3/2010 9:17:12 AM
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