Master Biology with Fun Quizzes & Brain Teasers!

What needs to ocCur for a male to be color blind?He needs to inherit a copy of the color blindness allele from his father. He needs to inherit a copy of the color blindness allele from his mother. He needs to inherit a copy of the color blindness allele from both parents He needs to inherit a copy of the color blindness allele from either his mother or his father.
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Which of the following changes demonstrates a chemical property? *O A substance breaks in halfA substance combusts (burns)O A hammer bounces off a substanceO A substance floats in water
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Which of the following are sources of low-level radiation?A)medical X-raysB)nuclear weapons testingC)buring of fossil fuelsD)all of the aboveE)a and c only
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what element from the periodic table has the highest monetary value per unit
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Which of the following is true of cholesterol? 4 are correct.A. it makes up part of the cell membrane structureB. it is the precursor molecule to make sex hormones and bileC. it is not found in animal products such as beefD. it enters the cell via cell-mediated endocytosisE. it is not found in dairy products such as butterF.it is made by the liver
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As water vapor cools, it ____, forming liquid water. (ANSWER FAST PLEASE!! I WILL GIVE A BRAINLIEST)
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Which of the following would be particularly damaging to the chaparral biome?a.wildfiresb.floodingc.droughtd.none of the aboveANSWER IS D- NONE OF THE ABOVE
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i need da help wit dis 1
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Match the names and descriptions to the correct phase of a star's life cycle.PLATO. please help!
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Which one is the correct equation for calculating density? *Density - Mass / VolumeDensity - Mass / WeightDensity - Volume / MassDensity = Volume / Weight
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Which one is the correct equation for calculating density? *Density - Mass / VolumeDensity - Mass / WeightDensity - Volume / MassDensity = Volume / Weight
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As a college student, you are no doubt concerned about the grades that you earn while completing your coursework. If you wanted to know how overall GPA is related to success in life after college, how would you choose to approach this question and what kind of resources would you need to conduct this research?
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Which of the following are chemical reactions? Check all that applyA. Pouring chocolate sauce into milk to make chocolate milkB. Making caramel sauceC. Getting a suntanD. Mixing oil and vinegar to make salad dressing
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please help need to be done now will give brainiest and 50 pointsPart 1Draw and label your model of ATP:Part 2: Draw and label your model of ADP:Draw and label your model of AMP:
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What are viroids? short strands of circular RNAshort strands of circular DNAlong strands of DNA coiled into circlessmall circles of proteins
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9.. Water enters the atmosphere as water vapor when liquid water ______on Earth's surface. (12 points!!) i will give a brainliest and a like. please reply fast!!)
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Imagine a glucose molecule entering the cell membrane. Would thatmolecule be able to reach the mitochondria faster if the cell had a smallervolume or a larger volume? Explain.
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Animal cells store extra glucose in the form of glycogen. Which molecule do plants use to store extra glucose?A. glycogenB. baleenC. myosinD. starch
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True or False: Both predator and preyspecies experience the same pattern of"boom and bust" cycles.
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what happens to energy during cellular respiration
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Question 34 (1 point)is essential if bones are to retain normal proportions and strength during long-bone growth as the body increases in size andweighta.Ricketsb.Bone remodelingc.Ossificationd.Bone maturation
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is this a balanced equation yes or no?Na(g)+2HCl(g)H2+2NaCl(s)
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What is the main function of the cell membrane of a cell?A. To organize the cell's internal contentsB. To limit the size that the cell can reachC. To protect the cell from harmful substances in the environmentD. To exchange nutrients and the cell's wastes with the externalenvironment
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help!answer the following questions regarding the organism that the product is derived from (reasonable guesses orspeculation is ok):1. What is the organism?2. Where does the organism live?3. Briefly characterize the ecosystem that the organism lives in.4. Provide one example of how the organism depends on another organism.5. What are some threats to the organism in the ecosystem?Speculate on how your life would be affected if the organism became extinct.
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