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A chemist has two solutions of HNO_3. One has a 40% concentration and the other has a 25% concentration. How many liters of each solution must be mixed to obtain 120 L of a 30% solution?
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How does AIDS affect homeostasis?
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How much does an average monkey weigh?
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Why do dogs’ noses run?
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What does ADP stand for in biology?
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Why do scientists extract RNA from cells? Why is RNA extraction so important?
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An experimenter wanted to test the effects of cigarette smoking on rats.She infused the cages of 50 rats with cigarette smoke and the cages of another 50 rats with pure,clean air.The rats that received the clean air were the A) experimental group. B) cont
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What does RNA stand for?
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The most abundant type of neuron in the body, used for processing of information the central nervous system, is the {Blank} neuron. a. Sensory b. Motor c. Interneuron d. Central
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Prepare 100 mL of 10 % w/w HCl from 37% concentrated HCl (density of 37% HCl = 1.19 g/ml).
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Why do monkeys swing on trees?
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Consider 5% sucrose solution separated from a 10% sucrose solution by a semipermeable membrane. a. Which solution is hypotonic? b. Which solution is hypertonic?
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Which of the following is an erectile tissue that contributes to the male erection? a. corpus cavernosum b. prepuce c. prostate d. corpus spongiosum e. seminal vesicle f. clitoris
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Why is simple present tense used in scientific writing?
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What is a tent pole in botany?
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Discuss the anatomy of a neuron and the ways they are classified.
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A solution of rubbing alcohol is 75.4% (v/v) isopropanol in water. How many milliliters of isopropanol is in an 82.1 mL sample of the rubbing alcohol solution?
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Describe the energy transfers that occur during the Krebs (citric acid) cycle.
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How does osmosis differ from diffusion and dialysis?
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Which solution is more concentrated? 10% NAOH or 1 m NAOH?
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Calculate the weight of the disodium EDTA necessary to create 100 mL of your standard EDTA solution (0.01 M EDTA).
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What are the 3 parts of the nerve cell?
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Describe the three major classes of RNA (ribonucleic acid); what is the function of each class?
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Jane weighs 170 lbs and is 5’3″ putting her at BMI of 30.1. She cares about her health and getting down to a healthy weight. She has been eating a fairly good diet the past few weeks and wants to start working out on a regular basis. Her goal weight is 14
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What is the the job of a plant geneticist?
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What is the difference between behavioral ecology and sociobiology?
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What monkey makes a better pet, a capuchin or a squirrel monkey?
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Which of these statements isn’t true? a. RNA is stable b. DNA makes RNA and RNA makes protein c. Uracil is a nitrogenous base found in RNA, whereas DNA contains thymine d. There are three types of RNA, including mRNA, rRNA and tRNA
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(a) How do neurons work? (b) Explain with an example.
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How does the immune system help maintain homeostasis?
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The process of polypeptide synthesis is called: (a) metabolism (b) transcription (c) translation (d) hydrolysis (e) both c and d.
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How does homeostasis control blood pressure?
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What is a lectin?
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Vinegar is a 5% solution (by weight) of acetic acid in water. Determine the mole fraction and molality of acetic acid. What is the concentration of acetic acid in parts per million (ppm)? Explain why it is not possible to calculate the molarity of this so
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Summarize origin of species in evolution essay. Explain in detail.
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What is a dog’s natural habitat?
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What are the two major branches of biology?
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List the steps of the scientific method in order.
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What is soluble ribonucleic acid?
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Can monkeys be service animals?
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