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QUESTION 1: All of the following are parts of a flower except theA. carpel.B. ovary.C. fruit.D. stamen.E. cuticle. QUESTION 2: The segmented worms of the phylum AnnelidaA. have an open circulatory system.B. possess setae on each segment.C. are acoelomate.D. display radial symmetry.E. move by use of flagella. QUESTION 3: In bryophytes, the rhizoidsA. obtain nutrients.B. are involved in reproduction.C. obtain water.D. lure possible prey.E. serve as attachment structures. QUESTION 4: Which of the following is not a characteristic differentiating Neanderthals from modern humans?A. Neanderthals had smaller brains.B. Neanderthals had larger noses.C. Neanderthals had projecting brow ridges.D. Neanderthals were shorter.E. Neanderthals were stronger. QUESTION 5: Fungi exhibit certain characteristics. One of these characteristics is that theyA. are capable of carrying on photosynthesis.B. lack cell nuclei.C. reproduce using seeds and pollen.D. reproduce using spores.E. are prokaryotes. QUESTION 6: In plants, the secondary metabolites are primarily responsible forA. food gathering.B. nutrition.C. defense.D. protection against ultraviolet radiation.E. overcoming air pollutants. QUESTION 7: In cnidarians, nematocysts are important inA. obtaining oxygen from the water.B. obtaining prey.C. movement.D. excretion of wastes.E. food digestion. QUESTION 8: Cnidarians and ctenophores are similar in that they both haveA. a pseudocoel.B. a digestive tract with two openings.C. radial symmetry.D. mesoderm.E. nematocysts. QUESTION 9: All members of the phylum Chordata shareA. exoskeletons.B. gills present throughout their lives.C. tails present throughout their lives.D. a vertebral column.E. a notochord present sometime in their lives. QUESTION 10: It is generally thought that animals have undergone four major physiological and anatomical innovations during their evolution. These are (in no particular order)A. development of tissues, photosynthesis, bilateral symmetry, multicellularity.B. development of the versatile forelimb, multicellularity, origin of patterns of embryonic development, development of tissues.C. multicellularity, bilateral symmetry, origin of patterns of embryonic development, development of tissues.D. bilateral symmetry, development of tissues, origin of the multichambered heart, origin of patterns of embryonic development.E. origin of patterns of embryonic development, development of the versatile forelimb, origin of the multichambered heart, multicellularity. QUESTION 11: Mammals have two traits that set them apart from all other animals. These areA. body hair or fur, and being homeothermic.B. four-chambered heart and milk production.C. amniotic eggs and milk production.D. body hair or fur, and milk production.E. four-chambered heart and body hair or fur. QUESTION 12: Which of the following characteristics is not shared by typical birds and mammals?A. four limbsB. insulating skin structuresC. milk productionD. four-chambered heartE. endothermy QUESTION 13: Lichens areA. symbiotic associations between a fungus and an alga.B. capable of causing some obscure diseases.C. only found growing on living matter.D. insensitive to changes in the environment.E. parasitic interactions between a fungus and an alga. QUESTION 14: It is generally thought that four critical innovations arose during the evolution of our ape-like ancestors into humans. All of the following are innovations exceptA. expansion of the human brain.B. development of the opposable thumb.C. toolmaking.D. bipedalism.E. use of brain power for abstract thought. QUESTION 15: Which of the following are adaptations to land of both gymnosperms and angiosperms but are lacking in ferns and mosses?A. spores B. roots, stems, and leaves C. fruits and flowers D. vascular system E. pollen and seeds QUESTION 16: Which of the following adaptations to life on land is found in both insects and modern reptiles?A. body surfaces that resist evaporationB. metamorphosis from a larval formC. two pairs of walking legsD. tracheae to distribute oxygenE. ability to fly QUESTION 17: In general, mammals are not good at dispersing chili plant seeds becauseA. chili seeds are dispersed mainly by the wind.B. the mammals do not travel very far before they release the chili seeds.C. the chili seeds do not stick to the mammals' fur.D. the seeds die as they pass through the digestive tract.E. the mammals are the main pollinators for the chili plant. QUESTION 18: Plants have adapted to dry land by evolving all of the following exceptA. tissues to conduct water through the plant.B. structures to protect reproductive cells and embryos.C. association with mycorrhizae to improve mineral uptake.D. forms of chlorophyll more efficient at capturing light.E. secreting a waxy coating to prevent water loss. QUESTION 19: This characteristic allows fungi to withstand heat and drought conditions.A. specialized organellesB. hyphaeC. cell wallsD. sporesE. mycelia QUESTION 20: Green algae such as Ulva demonstrate an alteration of generations. The diploid phase is called theA. gametophyte generation.B. zygote.C. diploid generation.D. sporophyte generation.E. embryo.
you have been hired to prepare microbiological media for a laboratory on campus. you stayed up watching the final
Briefly describe this repair mechanism and explain how the mechanism knows which strand to repair.
Ed Rivers, a 3rd year medical student, was alone in the hospital ER one night. It was unusually quiet that night, and the resident was getting some much needed sleep.
Diagram a cross between a male with blood type AB and a female with type AB blood. Give both the genotypic and phenotype ratios for the offspring.
Hexokinase can use glucose or fructose as a substrate. The Km forglucose is 0.15 mM and for fructose Km = 1.5 mM. Assume vmax forboth substrates.
Using the provided DNA code, derive the correct amino acid sequence. Describe the necessary steps to arrive at the amino acid sequence, and explain each in detail.be sure to list the mRNA sequence.
1. the genes for ruby eyes rb tan body t and cut wings ct are all found on the x-chromosome of drosophila melanogaster.
What is biodiversity
explain aspects of death in physical, including pain and suffering, disability and deterioration.
How is palmitate made without ATP? I need the entire cycle shown or described in detail. I know that malonyl CoA which is required for palmitate synthesis in fatty acid metabolism uses ATP, so how do we bypass this?
Explain why have the angiotensin converting enzyme inhibitors replaced digoxin as the drug of choice in treatment of chronic heart failure?
his method can be used to sterilize a liquid media withoutharming heat labile ingredients. Aseptic technique refers to. Consider two parallel cultures. They are in all ways identicalexcept that one contains test substance X. You observe that abact..
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