Master Biology with Fun Quizzes & Brain Teasers!

Read the article and answer the questions. What is CPR and why is it important to us? When should we use CPR? What is the difference between CPR for a infant vs an adult? What are the steps to CPR?
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Which source of energy causes air pollution when buned?
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An organism that is asymmetrical can not be divided into identical or mirror images.Question 20 options:TrueFalse
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What is the larger organism in a parasitic relationship that serves as a home and feeding ground for a parasite called?a hosta parasitean intermediate vectora midway vector
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Why is water a lubricant how does this relate to cohesion?
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2. Match each domain to a correct fact.1.Eukaryota2.Prokaryota3.Bacteria4.Archaeaa.Does not existb.Contains extremophiles, organisms that can survive in extreme environments such as extreme temperatures, salinity, and pHc.Includes plants, animal, and protists. All contain a true nucleusd.Very common, can be found almost everywhere, single celled
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why doesn't antibiotics work on coronavirus
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What process moves carbon through the atmosphere to the hydrosphere?
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as chemical energy flows through various trophic levels of an ecosystem the amount ofavailable energy is reduced. Which of the following statements best explains the reason for thereduction of available energy at successive trophic levels?a. most of the energy is used to maintain a constant temperature in the Organism.b.most of the energy remains stored in an Organism tissues for metabolism.C.a large amount of energy is lost to the surrounding environment as heat.d. a large amount of energy is available to microbes during decomposition.
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look at the picture provided, CHOOSE ONE. Now what is one affect that nature will have on thisBesides deforestation
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Long eyelashes is dominant E to short eyelashes e what are the possible phenotypes check all that apply
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I need help question
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What can people do to preserve Earth's water supply?A. Avoid organic fruits and vegetables B. take shorter showers C. Avoid drip irrigation systems.D. Increase neighborhood lawn sprinkling
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Use the graph to make a claim about how plant growth is affected by sunlight
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I choose option B but Im not sure if Im correct
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What would happen to the concentrations of ATP, NADPH and sugars if the Phothosystem II stopped working?
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(a) Identify and describe the type of selection that is occurring in the population of sociable weavers.
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More free energy is released during the citric acid cycle than during glycolisis, but only 1 mole of ATP is produced for each mole of acetyl-CoA that enter the cycle. Wht happens to the remaining free energy that us produced during the citric acid cycle?
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HELPThe Punnett square shows the possible genotypecombinations of two parents who are homozygous fora trait.WWW WWWwWWWWwWhat is the probability of the parents having a childthat is heterozygous for this trait?O 0%O 25%O 75%O 100%
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32. Which of the following best explains why fertilization in sexual reproduction enhances genetic variability more than would be expected in asexual reproduction?Offspring receive genes which may be recessiveOffspring receive genes from both parentsGenetic variability is produced through mitotic cell divisionGenetic variability is produced through a high mutation rate
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Bacteria / Archaea or BothA. Has a nucleoidB. Closer relative to eukaryotesC. Contains ribosomesD. Has a cell wall containing peptidoglycanE. Has a plasma membrane
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Choose the best definition of allele.Question options:A) The process of fertilizing a plant with pollen from another plantB) An organism that's purebred for a given traitC) One of several possible versions of a gene, which each produce a different phenotypeD) A set of genes that are located on the same chromosome and so are tightly linked
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What did Frye and Edidin show in their experiments on the plasma membrane?Select one:a.The plasma membrane is full of integral but not peripheral proteinsb.Plasma membranes are rigid and cannot move, that is why eukaryotes do not need a cell wall.c.Only glycoproteins in the plasma membrane can moved.All proteins in the plasma membrane can rotate but not move in positione.All proteins in the plasma membrane are laterally mobile
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Proteins are used for all of the following except:A. EnergyB. StructureC. Immune systemD. Signaling
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