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The structure in the lungs known as the respiratory membrane is where gases are exchanged and oxygen leaves the lungs and enters the blood and carbon dioxide leaves the blood and enters the lungs the
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In many tropical areas, rain forests have been clear cut in an effort to grow food crops. This effort has not been successful because tropical rain forests A) have water-soaked or saturated soils. B)
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Which organelles are found only in plant cells? cell membrane, vacuole cell wall, chloroplasts cell wall, vacuole cell membrane, chloroplasts
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Plan b.is available as another possible solution to childcare problems is a type of medical insurance that covers the birth of a child is the same thing as ru486 emergency contraceptive that prevents
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In actual field situations, it is rare to find nice mineral samples lying around. usually, geologists have to use small samples of minerals found inside of rocks to identify them. you now have a bag o
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A client, diagnosed with hypertension, is prescribed a no-added-salt, low-fat diet. he agrees and repeats the teaching principles. at the next visit, the nurse notices salted meat on the counter and t
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Fishermen often claim that fish are more likely to strike at bait when it is raining because the fish react to the raindrops on the surface of the water as if they were potential food. This response i
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WILL GIVE BRAINLIEST! PLEASE HELP ME! Analyze the given diagram of the carbon cycle below. (PLEASE USE PHOTO) Part 1: Which process does arrow A represent? Part 2: Which type of energy transformation
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PLEASE HELP ME! Analyze the given diagram of the carbon cycle below. (PLEASE USE PHOTO) Part 1: Which process does arrow A represent? Part 2: Which type of energy transformation does arrow A represen
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PLEASE HELP! Analyze the given diagram of the carbon cycle below. (PLEASE USE PHOTO) Part 1: Which process does arrow A represent? Part 2: Which type of energy transformation does arrow A represent?
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What is cellular respiration? Use complete sentences to explain how the mass of carbon is conserved during cellular respiration. Please do at least 3 sentences :) Thx
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Which of the following cases represents the phenomenon of contact inhibition? a. Healing of an injury b. Growth of a tumor c. Tumor metastasis
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Most of the heat in the human body is generated within mitochondria…what is occuring in them and why does it produce heat?
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What molecules both enters AND exits the Kreb's cycle? a. acetyl Co-A b. citric acid c. pyruvic acid d. oxaloacetate
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How might an error during transcription affect the protein that is produced? a. the protein might be unable to function. b. the protein could become too specialized. c. the protein might contain the w
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Using the genetic code, identify a 5'-> 3' sequence of nucleotides in the dna template strand for an mrna coding for the polypeptide sequence: phe-pro-lys.
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Genetically modified grass varieties that carry genes for disease and drought resistance are now available. They were produced by recombinant DNA technology. However, the government has still not appr
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I need help with this badly, 20 Points for this fam. 1. It is the presence of _______________ that causes the repressor protein to fall off and unblock the gene on the lac operon. 2. An additional cir
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Chemical bonding generates arrangements of electrons that usually resemble the noble gases. The best explanation for this is that noble gases A. are inert. B. have full valence electron shells. C.
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What is the messenger RNA strand that would be made during transcription of this strand of DNA? T-A-C-C-C-C-G-A-G
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What are the effects of renewable energy on biodiversity? PLEASE ANSWER IN A PARAGRAPH PLEASE (20 POINTS)
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Which of the following would you expect to be prominent in osteoclasts?A. Golgi apparatus B. lysosomesC. MicrofilamentsD. Exocytosis
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Reptiles and birds excrete waste as an insoluble white solid that is called uric acid. How does this help them to maintain internal homeostasis in hot climates? A.) by retaining water B.) by conservin
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What vertebrate class conceives their young within the reproductive tract of the mother and, after birth, nourishes them with milk produced by mammary glands? A) Aves B) Amphibia C) Reptilia D) Mam
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For what period of time should the nurse take precautions to prevent bleeding, including applying pressure to puncture sites for 5 minutes, after warfarin (coumadin) therapy has been discontinued?
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At the c locus in horses, chestnuts (sorrels) are cc, palominos are cccr , and cremellos are ccr ccr . in a herd of 10 horses, there are 3 chestnuts, 6 palominos, and 1 cremello. what are the allelic
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The aboveground parts of a plant constitute its ___. A. root system B. shoot system C. cork cambium D. vascular tissue system
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Metals can form two distinct types of bonds with very different chemical and physical properties. For instance, sodium can form metallic bonds with other sodium atoms and ionic bonds with nonmetals. B
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The Thad Cochran national warm water aquaculture center conducts research on genetically modified catfish.
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. If water vapor continued to increase in our atmosphere, what changes would you expect in freshwater lakes? (2 points) Lake temperatures will decrease, but dissolved oxygen in the water will increase
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In which room was the greatest difference between maximum and minimum daily average air pressure observed over the study's first five days?
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Matthew is assigned a project to learn about cellular respiration. He discovers that the Krebs cycle is a ____________ process which occurs in the __________. A) aerobic, cytoplasm B) anaerobic, cytop
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Kelp are multicellular photosynthetic protists that make up kelp forests. These forests are found in the cold nutrient-rich water off the coast of California. They make up one of the most biologically
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Explain how the two compounds (benzyl alcohol and benzoic acid) partition between ether and a naoh solution in the manner that they do. hint: why are they soluble in the layers that they are in, and n
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If the radius of the artery is reduced by 14 % , by what factor is the blood flow rate reduced? assume that all other properties of the artery remain unchanged.
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Genes encoding different proteins in a multimeric enzyme typically show a redundant type of gene interaction.
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A species exists with three color types, (blue, yellow and green). You breed a yellow (bb) individual with a blue (BB) individual, and all the offspring are green. Which trait is dominant? Explain you
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Which of the following is a valid scientific hypothesis ? a. suvs are ruining the climate b. desert mesas are beautiful c. offshore drilling should be illegal d. earth-like planets exist elsewhere i
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Think about water and how it rolls up on a beach. Think of all it’s wualities. Is it alive according to the characteristics of life
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What is an ionic bond? A. the attraction positive ions have for free electrons B. the force that holds the valence electrons to the atom C. the attraction and bonding of ions with equal opposite charg
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this is Made of 1 5-carbon sugar called ribose, a nitrogen-containing compound adenine, and three phosphate groups.
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How is cancer spread through the body? Check all that apply. -through the nervous system -through the blood -through touching organs and tissue
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Do you forget things? Absent-mindedness is an inherited recessive trait. The Punnett square shows the genetic cross for absent-mindedness in the Smith family. If the Smith's have six children, how man
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The major adaptions that are seen in people teeth are related to ______. A. eating B. fighting C. protecting or D. talking
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Which of the following is the standard seeding rate for corn planted in Southwestern drylands? A. 14,500 to 18,500 seeds per acre B. 16,500 to 23,500 seeds per acre C. 28,000 to 30,500 seeds per acre
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What types of biological materials should be available for patents and what are the rights, if any, of the donors of these cells.
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Flower color in a particular plant species is determined by one gene locus. The allele at the locus can code for either red flowers or blue flowers. When two such plants are crossed, however, some of
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A scientist agrees with the scientific consensus that dinosaurs have scaly skin. Then he discovers a new fossil that indicates a dinosaur had feathers. The scientist refuses to consider the new eviden
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What are the raw materials needed for photosynthesis to occur? What are the end products of photosynthesis?
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Which of these metamorphic rocks is chemically changed the most during metamorphism? A. slate B. skarn C. marble D. quartzite