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The cells that are on each side of a stomata and open and close it like a mouth are called _____. guard cells meristem cells parenchyma cells collenchyma cells
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Consider this image of a gazelle. mc016-1.jpg Which of the gazelle’s naturally selected traits is shown in this picture to be an evolutionary advantage? feeding only at certain times of the day coat
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What other adaptation could have helped koalas as they evolved from land dwellers to tree dwellers?the ability to have several offspring at one timefur color that closely matches the eucalyptus bark c
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What is your current level of wellness(give a minimum of 2 example in support)
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Review the major aspects of how the human immune system functions. How is the proper functioning of this system of major importance to all other systems in the body? What kinds of things can go wrong
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This picture shows what the heart rhythm looks like when there is an injury to the heart muscle due to a lack of blood flow through the coronary arteries. mc021-1.jpg What is most likely true of a per
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Describe what happens to the frequency of a dominant allele in a population when selection is against the dominant phenotype. (make sure to account for population size and intensity of selective press
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Compared with the fibers of cotton plants growing today, what is the relative ratio in the old material vs the relative amount in the new material? the half-life of 14c is 5730 y.
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Write the solution in the form and . (use the parametrization derived from the row-reduced echelon form after reindexing the and columns.)
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A certain virus infects one in every 300 people. a test used to detect the virus in a person is positive 80% of the time if the person has the virus and 10% of the time if the person does not have the
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The cells in this sem (scanning em) are epithelial cells from the small intestine. discuss how aspects of their structure contribute to their specialized functions of nutrient absorption and as a barr
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Proteins such as halomucin are encoded by the sequence of nucleotides in dna. which mrna and peptide is generated from the dna sequence below
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Let’s assume that Scott O’Neill wants to test the question “Will Wolbachia-infected mosquitoes reduce the occurrence of Dengue fever in humans?” with the hypothesis that “If mosquitos are in
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The Human Genome Project enables researchers to _____.pinpoint disease-causing genes and possibly prevent or treat themdetermine the date of a humans deathcure cancerhybridize humans with other animal
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The maximum water vapor that air can hold at 30 degree Celsius is about 30 grams/cubic meter If the humidity of the air is currently 6 grams at the same temperature the relative humidity is?
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Land reclamation can be expensive.Why might recycling material lead to spending less money on reclamation.
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Medications can be tested on cell cultures instead of being injected into patients unnecessarily. Cancer cells continue to grow in the cultures uncontrollably allowing scientists to test multiple medi
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For each of the reaction tubes indicate whether dna polymerase will systhesize any new dna molecules, and if so write the sequences of any such molecules
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Is going to have her first child and talks to her physician about assessing the health of her unborn child. the physician recommends a test that combines a blood test and ultrasound sonography. which
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Fifty areas are grouped into four safety levels- a, b, c and d- and the number of areas which fall into each level is shown in the table: safety level frequency a 11 b 14 c 20 d 5 what proportion of t
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A man whose father expresses a recessive trait marries a woman whose brother expresses the same recessive trait. what is the likelihood that the newlyweds could have a child expressing the trait?
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All athletes at the olympic games are tested for performance-enhancing steroid drug use. the imperfect test gives positive results (indicating drug use) for 90\% of all steroid-users but also (and inc
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A female client is readmitted to the facility with a warm, tender, reddened area on her right calf. which contributing factor should the nurse recognize as most important?
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A client with liver and renal failure has severe ascites. on initial shift rounds, his primary nurse finds his indwelling urinary catheter collection bag too full to store more urine. the nurse emptie
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Camphor is reduced to isoborneol by sodium borohydride in ethanol. the instructions for safe disposal of the chemical waste generated by this reaction state that the lids should not be screwed back on
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A patient with diabetes is waiting in the preoperative holding area for a hernia operation. the patient asks the nurse if the daily insulin dose should be taken. which response is the most appropriate
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When a patient says one thing but exibits a different respons through body language this is known as?
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The change in shape of the active site facilitates the reaction that now occurs. after the reaction has been completed, the ____________ is released, and the active site returns to its original state,
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1. The Pima Indians of Arizona called themselves "river people" primarily because up until the 1900s, they made their living via agriculture (subsistence farming) alongside the Gila River. Their lifes
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If a person were fasting and hadn’t eaten for several days in a row, which source of energy would the body use as a last resort?
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An individual can die after experiencing a high fever for a prolonged period of time. using what you know about enzymes, explain why an individual who enters the emergency room with a high fever might
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Part v. enter your measured temperature of an ice-water bath. this is the initial temperature of the melted ice and is needed to calculate the temperature change of the melted ice. if you did not meas
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A patient's blood was centrifuged in a capillary tube. the total height of the column of blood was 3.5 cm and the column of packed cells was 1.8 cm. analysis of the whole blood gave a hemoglobin conce
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Hill and dale were out in their rowboat one day and hill spied a water lilly. knowing that dale liked a mathematical challenge, hill demonstrated how it was possible to use the plant
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What is lipid? classification of lipid based on the chemical nature.Discussion about simple lipidDiscussion about compound lipidDiscussion about derived lipid.
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Year-old has developed a pressure ulcer on her right hip. the base of the ulcer is covered in eschar and the provider documents the stage of the ulcer cannot be determined. what icd-10-cm code is repo
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The surface area/volume ratio is an important factor for one celled organisms. As a cell's volume grows, its surface area/volume ratio ______________, making it more difficult to acquire enough nutrie
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During mitosis, the genetic material in a cell is replicated, and then the cell splits into two new cells. The two new cells are genetically identical to the original cell. Which part of cell theory d
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Which of the following is a part of a water-based carbon cycle? Trees Crab shells Human beings Coal-based power plants
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Will heat move from the ground to the atmosphere by conduction if the air is warmer than the ground?? Explain you answer/
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Identify the process by which ancestral iguanas developed into the present-day marine iguanas and land iguanas of the Galapagos Islands.
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DNA encodes the information necessary to produce the proteins needed by your body. To make these proteins, DNA first undergoes a process known as transcription. This is when the information on a DNA s
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N the cell, newly made proteins move directly from the ribosomes into the rough ___________ ___________, where they are chemically modified.
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In 1907, Dr. Duncan MacDougall performed a series of experiments in which he attempted to measure the weight of the soul as it left a dying person. In his experiments, MacDougall placed a dying person
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A can of tomatoes has a radius of 6 cm and a height of 10 cm. What is the approximate volume of the can
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A student is working on an experiment to study the cooling curve of water. During the experiment, a beaker containing hot water falls to the floor and is shattered. The student’s immediate response
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If you ever have swelling in your extremities, the way that fluid gets back out into the blood stream is by the circulatory system. a. True b. False
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What does your body get by breaking covalent bonds and making new bonds? A. Tired B. Energy C. Nutrients D. Heat
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In flies, red eyes are dominant to brown eyes, while long wings are dominant to dumpy wings. you will cross a true-breeding fly with red eyes & dumpy wings to a true-breeding fly with brown eyes & lon
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What would happen to the possible variation in gametes if the number of chromosome pairs increased from two to three?
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