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1. Corals are able to survive in nutrient-poor tropicalwaters by forming symbiotic relationships with photosynthetic:A. plants.B. red algae.C. brown algae.D. protists.E. None of these
2.Which of the following is a shared ancestral trait of wombats (amarsupial mammal) and cniderians that is not a characteristicshared with sponges?A. DiploblastyB.TriploblastyC.Sexual reproduction.D.TissuesE.Herbivory
3.Which of the following is an important difference between Cniderians and Ctenophores?A. Ctenophores are primarily marine, but there are a few freshwaterspecies; Cniderians are exclusivelymarineB.Ctenophores are primarily filter feeders; Cniderians are primarilypredaceousC.Ctenophores capture prey with adhesive tentacles; Cniderianscapture prey using tentacles armed withnematocystsD.Ctenophores are diploblastic; Cniderians aretriploblasticE.Ctenophores are triploblastic; Cniderians arediploblastic
4. Theprotostome coelomates are divided into 2 major groups, the:A. flatworms androundworms.B.Lophotrochozoa andEcdysozoa.C.Mollusca andArthropoda.D.invertebrates andvertebratesE.Chelicerata andMandibulata.
5. Youhave a sample of cat emesis (vomit) and find worms in the sample.The cylindrical worms are long and slender, pointed at each end,with no other distinguishing characteristics. They are members ofthe phylum:A.Platyhelminthes.B.Nematoda.C.Cnidaria.D.Annelida.E.Nemertea.
Some strains of wheat can planted in the fall and survive the winter(winter phenotype), but others must be planted in the spring (spring phenotype). crosses between pure breeding winter and spring strains gave an F1 that was all spring type, and a..
Determine the final guaiacol concentrationg of the following enzyme reaction solutions listed in the table below. Keep in mind that each reaction solution has a total volume of 2000 microliters.
Suppose a wild-type male fruit fly is treated with X-rays. It is then crossed to an ordinary wild female carrying no known mutant alleles.
Cut wings is an X chromosome recessive mutant of D melanogaster. Antennaless is an autosomal recessive mutant. A cut, antennaless female is mated to a wild-type male.
q. the chloride concentration in the acsf used in a lab is 131.5 mm as the concentration in the internal solution used
A plant that has seed very rich in an oil that can be directly used as a biofuel to power vehicles has been discovered. the plant is able to grow on a marginal farm land and thus fuel oil production would not compete with food production.
Explain how the knowledge of metabolic diversity in microbes helps us to identify microbes.
wave velocity is related to, light can travel to the earth from a distant star but soundcannot.why is it? resonance occurs when, which of the following radiation has the smallest frequency?
According to the endosymbiotic theory, why was it adaptive for thelarger (host) cell to keep the engulfed cell alive, rather thandigesting it as food?
Consider a genetic disorder in which healthy allele mutates to a recessive deleterious one with a rate of 10^-8, and the fitness cost is a reduction of the fitness by 25%.
A chromosome contains alleles forblue eyes and blond hair. After meiosis the same chromosomecontains alleles for blue eyes and brown hair. The chromosome is NOW said to be. For a two-point testcross, if thepercentage of recombinants is 50 percent, ..
What is the energy required to move a mole of urea out of the kidney cells and into the urine?
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