Bio 100 Exam 1 With 100% Correct Answers 2023, Exams of Advanced Education

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Bio 100 Exam 1 With 100% Correct

Answers 2023

which of the following statements about the properties is false? - Correct Answer- organisms have an unchanging constant internal environment life is organized in a hierarchical fashion. which of the following sequences correctly lists that hierarchy from least inclusive to most inclusive? - Correct Answer-molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem what is the difference between a tissue and a organ system? - Correct Answer-an organ system includes tissues the tree in your backyard is home to two cardinals, a colony of ants, a wasp's nests, two squirrels, and millions of bacteria. together, all of these organisms represent - Correct Answer-a community if you eat a hamburger, you are mainly eating ground up beef muscle. what levels of organization are represented in this ground up muscle? - Correct Answer-organelle, cell, tissue which of the following statements regarding a common cellular activity is false? - Correct Answer-new cells are derived from cellular components like organelles your instructor asks you to look into your microscope to see a prokaryotic cell. you will be looking for a cell that - Correct Answer-has a membrane which of the following statements about ecosystems is false? - Correct Answer-bacteria and fungi recycle energy within an ecosystem in an ecosystem, energy - Correct Answer-typically flows from producers through a series of consumers which of the following statements about genetics is true? - Correct Answer-differences among organisms reflect their different nucleotide sequences in their DNA organisms that are prokaryotes are in the domains - Correct Answer-bacteria and archaea which of the following statements about the domain bacteria is true? - Correct Answer- all bacteria lack nucleus

members of the kingdom animalia - Correct Answer-can obtain their food by eating other organisms kingdom fungi includes species - Correct Answer-that obtain food by decomposing dead organisms and absorbing nutrients which of the following is a kingdom within the domain Eukarya? - Correct Answer-fungi organisms belonging to the kingdom plantae - Correct Answer-are photosyntheitc the teeth of grain eating animals are usually broad and ridged. this makes the teeth suitable for grinding and chewing. meat eating animals have pointed teeth that are good for puncturing and ripping flesh. this illustrates - Correct Answer-a result of natural selection as well as the connection between form and function which of the following statements is not consistent with darwin's theory of natural selection? - Correct Answer-individual organisms experience genetic changes during their life spans to better fit their environment an antibiotic kills 99.9% of a bacterial population. you would expect the next generation of bacteria - Correct Answer-to be more resistant to that antibiotic which of the following statements about evolution is true? - Correct Answer-evolution can result in adaptations consider thee following statement "if all the vertebrates have backbones, and turtles are vertebrates, then the turtles have backbones.' this statement is an example of - Correct Answer-deductive reasoning a hypothesis is - Correct Answer-a proposed explanation for a set of observations you will notice over the past month, many students on campus have started wearing anew style of school sweatshirt. you think to yourself that perhaps the bookstore has recently started selling this new style of sweatshirt. this is an example of - Correct Answer-a hypothesis a theory ia - Correct Answer-and explanation of an idea that is broad in scope and supported by a large body of evidence to be scientifically valid, a hypothesis must be - Correct Answer-testable and falsifiable the role of a control in a experiment group is to - Correct Answer-provide a basis of comparison to he experimental group

a scientist performs a controlled experiments. this means that - Correct Answer-two versions of the experiment are conducted, one differing from the other by only a single variable basic science discoveries often lead to the development of technology, and the development of technology often leads to new scientific discoveries. which of the following is not accurate pairing pf technology and a discovery? - Correct Answer- invention of the microscope and creation of evolutionary trees which of the following statements is not an example of evolution that has resulted from human activity? - Correct Answer-because of hunting, organisms such as bears are fewer in numbers which level in the hierarchy shown is a community? - Correct Answer-level C organic compounds - Correct Answer-always contain carbon which of the following statements regarding carbon is false? - Correct Answer-carbon has the ability to bond up to six other atoms propanol and isopropanol are isomers. this means that they have - Correct Answer-the same molecular formula but different chemical properties which of the following is a carboxyl group? - Correct Answer--COOH which of the following is an amino group? - Correct Answer--NH the results of dehydration synthesis can be reversed by - Correct Answer-hydrolysis what is the general function of enzymes within a cell? - Correct Answer-to speed up chemical reactions sucrose is formed - Correct Answer-from two monosaccharides through dehydration synthesis a disaccharide forms when - Correct Answer-two monosacchardes join by dehydration synthesis which of the following lists contains only polysaccharides? - Correct Answer-cellulose, starch, and glycogen the storage form of carbohydrates is ____ in animals and ____ in plants. - Correct Answer-glycogen; starch which of the following organisms contain the polysaccharide chitin? - Correct Answer- fungi and insects

what feature of fats makes them hydrophobic? - Correct Answer-fats have nonpolar hydrocarbon chains fatty acids with double bonds between some of their carbons are said to be - Correct Answer-unsaturated if you were to add olive oil to your food as part of a diet to lower your risk of atherosclerotic disease, you would use olive oil that - Correct Answer-is liquid at room temperature a phospholipid is composed of - Correct Answer-one glycerol molecule linked to one phosphate group and two fatty acids a major type of lipid found in cell membranes is - Correct Answer-phospholipids amino acids can be distinguished from one another by - Correct Answer-the chemical properties of their R groups proteins differ from one another because - Correct Answer-the sequence of amino acids in the polypeptide chain differs from protein to protein glucose molecules are to starch as ___ are to proteins - Correct Answer-amino acids peptide bonds - Correct Answer-link amino acids which of the following would be correctly classified as a protein - Correct Answer-an enzyme the primary structure of a protein is - Correct Answer-the amino acid sequence of the polypeptide chain a protein containing more than one polypeptide chain exhibits the ___ level of protein structure - Correct Answer-quanternary how are genes used by cells to build proteins? - Correct Answer-the genes in DNA direct the synthesis of an RNA molecule, which is used to build a protein DNA differs from RNA because DNA - Correct Answer-contains thymine in place of uracil what is the complementary sequence to the DNA strand TCGATGG? - Correct Answer- AGCTACC these two molecules are structural isomers. what is the difference between them? - Correct Answer-the location of a double bonded oxygen atom

how are these two amino acids attached together? - Correct Answer-amino group to carboxylic acid group what combination of these fatty acids could you use to make a fat that is liquid at room temperature? - Correct Answer-one palmitic acid, one stearic acid, and ibe oleic acid