Biology

6. The absorbed dose of electrons is 50 mrad. What is the equivalent dose in J/kg?O 5.0 x 10-4 g/kg500 J/kg5.0 x 10-3 J/kg50 J/kg
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which of these is a plantation crop?a)Coffeeb)Teac)Spicesd)All of thesechoose one
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Which condition is NOT a requirement of the Hardy-Weinberg equilibrium?A. No mutations in a population B. No net migration of alleles into or out of the populationC. Sexually reproducing and randomly mating in a population D. Small population with genetic drift
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PLEASE HELP ME!!!!IT IS FOR BIOLOGY!!!
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how is population dynamics in animals affected by sewage water release plzz helppp
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What makes Kingdom Protista unique compared to the other kingdoms?
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3. The leaf relates to ____ because it's cells are numerous inchloroplast
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On the graphs, the dashed line represents the original population, and the solid line represents the population after natural selection has taken place. A population of snails is going through disruptive selection as it relates to their shell patterns. Which graph represents the population? A B C D
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When the heart is in fibrillation, A) there is no contraction of the myocardium. B) effective pumping of the ventricles ceases because the myocardial cells fail to work as a team, and the brain cannot get adequate oxygen. C) the myocardial cells may become damaged from contracting too fast. D) the myocardial cells deplete their oxygen supply because they are contracting too fast, and the lactic acid produced damages the myocardial cells. E) the myocardial cells are contracting together as they should; fibrillation indicates a normal sinus rhythm of 75 beats per minute.
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what is the difference between the open-water zone and the deep water Zone
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The DNA sequences of whales and ungulates, or hooved animals, are very similar. What type of evidence of evolution is this?O vestigialO molecularO embryologicalfossil
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Use the following dichotomous key to identify an irregular blue flower with five petals and a fruit that is a ripened flower ovary or follicle. Dichotomous Key of Ranunculaceae #1.a. Fruit is a group of alkenes.(go to step 2) b. Fruit is a group of follicles.(go to step 4) #2.a. Petals are not present.(go to step 3) b. Petals are present.(Ranunculus) #3.a. The flower has 4 sepals.(Clematis) b. The flower has 5 sepals.(Anemone) #4.a. The flowers are regular.(Aquilegia) b. The flowers are irregular.(Delphinium) The flower is a: A. Anemone B. Clematis C. Delphinium D. Ranunculus
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Photosynthesis occurs in plants in specialized organelles called ____. *A. Golgi bodiesB. chloroplastsC. mitochondriaD. lysosomes
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How can an offspring with the genotype (RR) have the same phenotype as the offspring with the genotype (Rr)? (R = round seeds AND r = wrinkled seeds)
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Inconclusive DNA results indicate _____. O human error. O a perfect match. O a nearly perfect match. O the two profiles do not match.
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What is a mixture where the composition is not uniform
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AYO PLS HELP...... condon amino acids ect
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Which statement describes an advantage of sexual reproduction over asexual reproduction?A. Sexual reproduction results in more genetic variation in organisms than asexual reproduction.OB. Sexual reproduction requires more time to produce organisms than asexual reproduction.C. Sexually produced offspring are more dependent on their parents for survival than offspring produced through asexual reproduction.D. Sexually produced organisms are more dependent on other organisms for reproduction than offspring produced through asexual reproduction.
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Whats the answer to this I didnt mean to click this btw
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DNA controls the structure and function of a cell because...
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In the Arctic, seals are one of the main sources of food for polar bears. As global warming melts polar ice, fewer seals can be found in the Arctic. As a result, polar bears will A. maintain a constant population.B. decrease in number.C. migrate to tropical regions.D. increase in number.
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Cancer is caused by __________ in genes that regulate the cell cycle. These mistakes in DNA, cause the checkpoint __________ to not function properly. As a result the cells will spend more time dividing, which is called _____________ rather than in interphase.
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PLEASE HELPWhich of the following is not a random occurrence? A selection of the best-suited traits for the environment, leading to adaptive evolution Genetic drift changing the gene pool of a population and creating fluctuations in the allele frequencies The bottleneck effect after an earthquake, resulting in a reduction of genetic variation The founder effect, when a small population is isolated and the gene pool significantly reduced from the parent population
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What is a vestigial structure?
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