Biology Fundamentals: Evolution, Genetics, and Cellular Processes

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Biology Fundamentals: Evolution, Genetics, and Cellular ProcessesQuestion 1 (1 point)Which statement about evolution is FALSE?Question 1 options:According to evolutionary theory, you are related to a bacterium, to a yeast cell, to asnake, and toa whale. In fact, you are related to every species now alive on Earth, and to fossil species likedinosaurs as well.Natural selection acts on genetic differences within a population to cause evolution. Individuals donot evolve.Natural selection is about slow but steady progress. Through it, populations constantly get better-adapted. When this process is completed for all populations, evolution will come to a stop.Evolution occurs constantly, without end; there is no endpoint in evolution.SaveQuestion 2 (1 point)Negatively charged particles are found where in an atom?Question 2 options:In the nucleusIn a single layer outside the nucleusIn multiple layers outside the nucleusBoth inside and outside thenucleusSaveQuestion 3 (1 point)

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You have a solution that has a pH of 8 and need it to be pH 5. What do you do?Question 3 options:Add waterAdd a baseAdd an acidAdd a bufferSaveQuestion 4 (1 point)Whatcharacteristic of carbon makes it a good backbone for creating diverse and durable molecules?Question 4 options:Carbon is a large atom.Carbon forms four covalent bonds.Carbon forms hydrogen bonds.All of the aboveSaveQuestion 5 (1point)Which of the following structures can be found together in eukaryotic cells?Question 5 options:cytoplasm and ribosomes

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cytoplasm and plasma membraneDNA and ribosomesribosomes and endoplasmic reticulumSaveQuestion 6 (1point)Which of the following reactions or pathways is catabolic?Question 6 options:Breaking down ATP into ADP and phosphate.Making starch from many glucose molecules.Photosynthesis: which builds glucose from carbon dioxide usingenergy from light.Making ATP from ADP and Phosphate.SaveQuestion 7 (1 point)In a metabolic pathway, a typical control mechanism is to have: ________Question 7 options:the final product have no effect on the enzyme responsible for its own production.the final product inhibit an early step.a reactant inhibit a late step.a lack of reactant stimulate the pathway.SaveQuestion 8 (1 point)

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Mitosis results in ______ cells and meiosis results in _______ cells.Question 8options:haploid, diploiddiploid, haploiddiploid, diploidhaploid, haploidSaveQuestion 9 (1 point)In beans yellow (Y) is dominant to green (y) and smooth (S) is dominant to wrinkled (s). What are thepossible genotypes for the offspring of the following cross: YySS and YYSs.Question 9 options:YYSS, YYss, yySS, yyssYS, yS, YS, ySYy, SS,YY, SsYYSS, YySS, YYSs, YySsSaveQuestion 10 (1 point)Red rose color is incompletely dominant over white rose color. If a red rose is crossed with a pink rose,what percentage of the offspring will be pink?Question 10 options:

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100755025SaveQuestion 11 (1 point)One of the products of cellular respiration is ________.Question 11 options:watersucrosecelluloseoxygenSaveQuestion 12 (1 point)An ecologist is studying all the animals, plants,fungi and bacteria, as well as the interaction amongthem, in a forest? He is studying the _________ in the forest.Question 12 options:nichebiomecommunity

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