Master Biology with Fun Quizzes & Brain Teasers!

Explain how biodiversity benefits medicine and agriculture.
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Can someone pls help me pls Ill give Brainly Match them the names and the letters
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The arrow points to a component of the membrane that isbest described as a1) protein floating in lipids 3) lipid floating in sugars2) sugar floating in lipids 4) lipid floating in proteins
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what is cell membrane
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EnzymesHow do catalyst enzymes affect chemical reactions?Your answer
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why is the mosquito able to land on water without sinking
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Explain why facilitated diffusion may need to occur and in what direction the particles diffuse in. Identify the molecules that help in this process.
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Explain why facilitated diffusion may need to occur and in what direction the particles diffuse in. Identify the molecules that help in this process.
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How does identifying ecological hot spots help maintain biodiversity?
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what molecules are constituents of animal cell membranes?
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If we did the paperclip activity with a cup of isopropyl alcohol instead of water, would you expect the cup to hold more or less paperclips? Explain your reasoning.
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What molecule, in addition to sunlight, is one of those needed for photosynthesis to occur in plants? nitrogen oxygen glucose water
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a. Describe the components of air pollution that are considered greenhouse gases.What do humans put into our atmosphere that contributes to climate change?
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Help Match The Following Terms!
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CAN SOMEONE PLS HELP ME ILL GIVE BRAINY AND A LOT OF POINTS ILL GIVE 100 IF YOU CAN ANSWER THIS QUESTION I HAVE 12 MINS LEFT NO BOTS OR ILL REPORT!!!
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Compared to men, women have Multiple Choice a higher speed of nervous control of muscle.Incorrect more muscle tissue in the upper body. approximately the same capacity for increases in strength. larger muscle fibers.
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Which region contains structures that receive sympathetic innervation from the middle and inferior cervical ganglia
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Plants have cells, tissues, organs, and systems that allow them to function as complete organisms. Which parts of a plant function as an organ?a)sporesbroot hairsc)chlorophyll moleculesd)leaves
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how is meiosis different from the process of Mitosis?
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11. Which of these cells is responsible for cell-mediated immunity?A. B lymphocyteB. plasma cellC. T lymphocyteD. phagocyte12. Which of the following is true of antibodies?A. They are made by B lymphocytes.B. They are made by Helper T lymphocytes.C. They are made by Killer T lymphocytes.D. They are made by macrophages.13. Which cells produce chemicals that cause the other parts of the immune system to function?A. B lymphocytesB. Helper T lymphocytesC. Killer T lymphocytesD. plasma cells14. Which of the following remain after recovering from an infection and provide immunity?A. memory cellsB. phagocytesC. macrophagesD. plasma cells15. Which of the following immune system cells are the hosts for HIV?A. B lymphocytesB. Helper T lymphocytesC. Killer T lymphocytesD. plasma cells16. Which of these is an example of natural active immunity?A. immunity after receiving a vaccinationB. immunity after recovering from a pathogen infectionC. a baby's immunity resulting from antibodies from its motherD. None of these choices is correct.17. Which of the following best explains how vaccinations result in ACTIVE immunity?A. The vaccination causes a primary immune response and memory cells are retained for life.B. The vaccination contains antibodies.C. The vaccination contains lymphocytes from horses.D. None of these choices is correct.18. Which of the following practices contributes to bacteria that have resistance to antibiotics?A. Prescribing antibiotics for diseases that are not caused by bacteria.B. Self prescribing of antibiotics by people whenever they are ill.C. Patients stop taking prescribed antibiotics when they begin to feel better instead of finishing the prescription.D. All of these choices are correct.19. Which of the following can result in an endemic disease becoming an epidemic?A. The health of the host population is reduced by overcrowding or stress.B. There is a drastic increase in the population of the vector of the pathogen.C. The pathogen mutates to a more dangerous form.D. All of these choices are correct.20. What is the name for a disease outbreak that spans several continents or the entire world?A. an endemicB. an epidemicC. a pandemicD. All of these choices are correct.
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The "product(s)" is what is going into the process and the "reactant(s)" is the outcome of the process. Truefalse
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besides carbon dioxide, what is the other input molecule in the photosynthesis reaction?
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PLS HELP Due in 20 minutes
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Explain two advantages that vascular plants have over nonvascular plants such as mosses and liverworts.
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