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Human Biology 1090 Olsen SLCC final Questions with C
Typology: Exams
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a scientific hypothesis has all the following features except that it is - ANSWERSable to be proven true if an inductively reasoned hypothesis makes sense, based on all available and historical observations, then - ANSWERSthe hypothesis still might be false a scientific hypothesis is falsifiable - ANSWERStrue in the Linnaean classification, what level of organization is each of the following grouping: plants, animals, and fungi? - ANSWERSkingdom model organisms are used to test hypotheses - ANSWERSThat are too dangerous to perform on human subjects which among the following hypotheses cannot be tested experimentally? - ANSWERSthe dinosaurs went extinct due to meteor collision on earth a hypothesis can never be proven wrong. true or false? - ANSWERSfalse an experimental result is called statistically significant when - ANSWERSThe result is unlikely to be due to chance alone. the relationship between the dependent variable "significant weight gain" and independent variable "consumption of fat" is an example of - ANSWERScorrelation all of the following statements are examples of anecdotal evidence except - ANSWERSDr. Chowdury's research on bowel disorders, which was published in a scientific journal A news report on CNN that describes recently published research on a new treatment for colds is an example of a - ANSWERSsecondary source Living organisms possess many common characteristics. they also demonstrate a very wide degree of diversity. the theory that describes how this diversity has arisen over time is known as the - ANSWERSevolutionary theory
Each of the following is a feature of all known living things EXCEPT - ANSWERSgenes made from proteins fundamental form of matter are composed of ___ that cannot be broken down by normal physical means - ANSWERSatoms a substance with a pH of 9 is said to be - ANSWERS water is cohesive because of - ANSWERShydrogen bonds which of the following is NOT a characteristic of all life? - ANSWERSintelligence which of the following could describe the contents of a prokaryotic cell? - ANSWERSPlasma membrane, ribosome which of the following is an element? - ANSWERShydrogen oxygen in highly electronegative, meaning that it - ANSWERSpulls electrons toward itself. which term best describes the sugar in a sugar-water solution - ANSWERSsolute which organelle performs cellular respiration? - ANSWERSChloroplast which organelle is represented by a network of membranes involved in the production of proteins? - ANSWERSChloroplast why are the whole foods better for your health than processed foods? - ANSWERSprocessed foods don't contain all the vitamins and minerals found in whole foods vitamins in the human body - ANSWERShelp enzymes function properly in animal cells, excess carbohydrates are stored in the form of___in muscles and liver - ANSWERSglycogen which of the following statements is correct about an essential amino acid? - ANSWERSit can not be made by the body, it must be obtained from the diet which of these can lead to high blood pressure if confused in excess - ANSWERSsodium which of these vitamin and mineral pairs are very important for healthy bones? - ANSWERSVitamin D and calcium
Where does most of the carbon dioxide released by human activities come from? - ANSWERSburning fossil fuels the process by which cells of a malignant tumor can break away and start new cancers at distant locations is called metastasis - ANSWERSTRUE tumors that stay in one place and don't affect surrounding tissues are called benign - ANSWERStrue why are companies particularly interested in bioprospecting? - ANSWERScompanies hope to discover a species that contains an enzyme or another protein that can be marketed the endosymbiotic theory states that mitochondria and chloroplasts originated from free- living prokaryotes - ANSWERStrue which of the following statements is NOT correct about antibiotics - ANSWERSthese chemicals can kill some viruses (they can't, they kill bacteria!) the sum total of all of the alleles found within a species is known as - ANSWERSgene pool one species of plant produces flowers when nights are 10 hours along. A related species comes into flower when nights are 9 hours long. This is an example of - ANSWERStemporal isolation. where can you find the most genetically diverse populations of humans? - ANSWERSAfrica How are human fossils classified into species? - ANSWERSby differences in the skeleton what causes the disease tuberculosis? - ANSWERSa particular kind of bacteria what is an allele? - ANSWERSa particular version of a gene a primary source for new, unique alleles in a population is - ANSWERSmutation what is combination drug therapy? - ANSWERSa mixture of several different kinds of drugs given simultaneously which of the following groupings are in order from broadest to most narrow? - ANSWERSclass, family, species
of the four hypotheses that explain the origin of modern organisms, which is the one with the least scientific support? - ANSWERSthe static hypothesis. the process of decoding RNA sequence to produce a protein is called - ANSWERStranslation all of the following are part of a DNA molecule except - ANSWERSuracil RNA differs from DNA in that RNA - ANSWERSis single-stranded RNA polymerase binds to the ___ to begin the process of transcription - ANSWERSpromoter the undifferentiated cells that can be used in therapeutic cloning are - ANSWERSstem cells which type of disease condition would most likely be successfully treated by gene therapy? - ANSWERSa disease caused by a nonfunctional enzyme in the body a man who carries a harmful X-linked allele will pass the allele (but not necessarily the disease) onto - ANSWERSall of his daughters which of the following is NOT true of chromosomes - ANSWERSlarger organisms have larger numbers of chromosomes (NOT TRUE) what percentage of gametes from a heterozygous individual carry the recessive allele? - ANSWERS50% the genotype of an organism refers to its physical traits (FALSE) - ANSWERSFALSE a typical gene contains instructions for making a - ANSWERSchromosome which of the following is not a part of mitosis? - ANSWERSS phase which of the following is the correct order of events in mitosis? - ANSWERSprophase, metaphase, anaphase, telophase normal sperm and egg cells in a human - ANSWERShave one copy of each chromosome fat and blood are classified as___tissues - ANSWERSconnective cells that make up cartilage are called - ANSWERSchondrocytes which cellular component of blood helps in clotting? - ANSWERSplatelets