Biology and Genetics

1. Why is it common practice to store and exchange GIS data in a geographic coor

1. Why is it common practice to store and exchange GIS data in a geographic coordinate system? 2. How you would create a buffer around roads in a map file where the length of the …

1. Why is it important to keep enzymes at a constant temperature? 2. Why is it i

1. Why is it important to keep enzymes at a constant temperature? 2. Why is it important to incubate your samples at 70°C at the beginning of the RT procedure (steps 3, 4)? Why sh…

1. Why is it inappropriate to perform antimicrobial susceptibility testing on vi

1. Why is it inappropriate to perform antimicrobial susceptibility testing on viridans streptococci (alpha hemolytic)isolated from a throat culture? 2. What Quality control do you…

1. Why is it necessary to chelate the metal ions from solution during the boilin

1. Why is it necessary to chelate the metal ions from solution during the boiling/lysis step at 100C? What would happen if you did not use a chelating agent such as the InstaGene …

1. Why is it necessary to reduce the chromosome number of gametes, but not other

1. Why is it necessary to reduce the chromosome number of gametes, but not other cells of an organism? 2. If humans have 46 chromosomes in each of their body cells, determine how …

1. Why is learning the material of Anatomy & Physiology important to you? 2. A o

1. Why is learning the material of Anatomy & Physiology important to you? 2. A one sentence description of your goal that includes exactly what you will do, when you will do i…

1. Why is meiosis referred to as \"Reduction Division\"? What specifically is re

1. Why is meiosis referred to as "Reduction Division"? What specifically is reduced when the cell divides during meiosis? 2. a) List three ways in which meiosis differs from mitos…

1. Why is mononucleosis considered \"mostly\" a viral disease? How is the diseas

1. Why is mononucleosis considered "mostly" a viral disease? How is the disease acquired, diagnosed, and treated? 2. What is aseptic meningitis? What can cause this disorder? Diff…

1. Why is natural selection more effective in a large population than small one?

1. Why is natural selection more effective in a large population than small one? 2. For a particular trait, Heritability (broad sense) = 0. This means that a. the trait has no gen…

1. Why is permount necessary to use in coverslipping for Nissl- stained tissue?

1. Why is permount necessary to use in coverslipping for Nissl- stained tissue? 2. Why isn’t permount used for DAPI stained tissue? 3. Why should the DAPI tissue be covered after …

1. Why is taxonomy (the scheme of naming living organisms) so important in Biolo

1. Why is taxonomy (the scheme of naming living organisms) so important in Biology? 2. How does a virus differ from all living organisms? 3. How does a virus affect a living organ…

1. Why is the endosymbiotic origin of the mitochondrion considered to have preda

1. Why is the endosymbiotic origin of the mitochondrion considered to have predated that of the chloroplast? 2. A chloroplast derived from a secondary endosymbiotic event is often…

1. Why is the low MHz range used in ultrasound imaging? 2. Do you expect sound t

1.         Why is the low MHz range used in ultrasound imaging? 2.         Do you expect sound to travel faster in soft tissue or bone? Why? 3.         How much energy is reflecte…

1. Why is the troposphere, called the “weather sphere”? Include references to th

1.     Why is the troposphere, called the “weather sphere”? Include references to the Sun, atmosphere and Earth’s surface. It is known as a weather sphere because of the water vap…

1. Why is there overwhelming scientific support for the theory of evolution? 2.

1. Why is there overwhelming scientific support for the theory of evolution? 2. What is “natural selection”? 3. Describe findings of biologists Peter and Rosemary Grant since 1973…

1. Why is understanding stability important in the study of severe storms? a) St

1. Why is understanding stability important in the study of severe storms? a) Stability explains what causes tornadoes to form. b) Stability is always the deciding factor to wheth…

1. Why might a muscle cell fail to show any EPSPs? 2. What is the main factor th

1. Why might a muscle cell fail to show any EPSPs? 2. What is the main factor that determines the time course of the falling phase of the EPSP? 3. What is the pathway and the mech…

1. Why might a muscle fiber need an ample amount of Na + , K + -ATPase on its su

1.Why might a muscle fiber need an ample amount of Na+, K+-ATPase on its surface? a. as evident by the value of the cell’s membrane potential, muscle fibers are leaky to Na+ b. to…

1. Why might it be useful to understand something about the evolutionary relatio

1. Why might it be useful to understand something about the evolutionary relationships, origin, or responses to natural selection of a disease-causing bacteria or virus? 2. Suppor…

1. Why might random effects have more of an impact on small sample sizes than la

1. Why might random effects have more of an impact on small sample sizes than large sample sizes? 2. What are some reasons that a trait might bein its current character state othe…

1. Why might the heart be referred to as a double pump? 2. There are four valves

1. Why might the heart be referred to as a double pump? 2. There are four valves in the heart. Name each valve, list its location, and give its function. 3. List the features that…

1. Why must karyotypes be made from cells in metaphase of mitosis? What are two

1. Why must karyotypes be made from cells in metaphase of mitosis? What are two reasons that knowing the karyotype of an organisms cells can be useful? 2. In two paragraphs descri…

1. Why must karyotypes be made from cells in metaphase of mitosis? What are two

1. Why must karyotypes be made from cells in metaphase of mitosis? What are two reasons that knowing the karyotype of an organisms cells can be useful? 2. In two paragraphs descri…

1. Why the carbon plastic sphere has 4 holes? (1 point) A. Carbon atom has 3 ele

1. Why the carbon plastic sphere has 4 holes? (1 point) A. Carbon atom has 3 electron in its outer shell, therefore needing 5 more electrons to complete its outer shell. B. Carbon…

1. Why the hypodermis layer is not part of the skin ? 2. Why fibrocartilage is t

1. Why the hypodermis layer is not part of the skin ? 2. Why fibrocartilage is the toughest kind of cartilage. And received a lot of mechanical stress? 3. Why ribosomes/ribosomal …

1. Why was Yellowstone America’s first National Paark? A. Because it is a superv

1. Why was Yellowstone America’s first National Paark?             A. Because it is a supervolcano B. Yellowstone’s location was not within any state boundaries and therefor neede…

1. Why was the appearance of a single white-eyed fly so important to Thomas Morg

1. Why was the appearance of a single white-eyed fly so important to Thomas Morgan and his lab? (Multiple Answer: Choose all that are correct) They were able to show that genes ar…

1. Why was there liquid water on early Earth (4 billion years ago) even though t

1. Why was there liquid water on early Earth (4 billion years ago) even though the sun was 30% less luminous than it is today? Early Earth had more greenhouse gases in the atmosph…

1. Why was there liquid water on early Earth (4 billion years ago) even though t

1. Why was there liquid water on early Earth (4 billion years ago) even though the sun was 30% less luminous than it is today? Early Earth had more greenhouse gases in the atmosph…

1. Why would a chest x-ray examination reveal an infiltrate in the basilar segme

1. Why would a chest x-ray examination reveal an infiltrate in the basilar segments of the left lower lobe ? 2. A 52-year-old man who has smoked two packs of cigarettes per day fo…

1. Why would a chest x-ray examination reveal an infiltrate in the basilar segme

1. Why would a chest x-ray examination reveal an infiltrate in the basilar segments of the left lower lobe ? 2. A 52-year-old man who has smoked two packs of cigarettes per day fo…

1. Why would genetic drift have different effects in different populations? 2. W

1. Why would genetic drift have different effects in different populations? 2. What does the average heterozygosity in a population tell us about that population? What forces cont…

1. Whyis the NMDA pathway a potentially goodtarget for developing drugs for chro

1. Whyis the NMDA pathway a potentially goodtarget for developing drugs for chronic or neuropathicpain or other indications? Glutamate is a key excitatory neurotransmitter in pain…

1. Wine and beer, which one has greater contamination problem? Give reason(s) fo

1. Wine and beer, which one has greater contamination problem? Give reason(s) for your answer. 2. What is the proportion of glucose and fructose in ripe grapes. 3. Describe the ch…

1. Wire A, which is of the same length and material as wire B, has three time di

1. Wire A, which is of the same length and material as wire B, has three time diameter larger than wire B. If the resistance of wire B is R, what is the resistance of wire A? A) R…

1. Wish of the following groups of floricultural croo has the largest share of m

1. Wish of the following groups of floricultural croo has the largest share of market value in the a. Foliage plants b Cut flowers c. Potted flowering plants d. Bedding plants 2. …

1. With regard to pleural membranes, a) there is a visceral and parietal pleural

1. With regard to pleural membranes, a) there is a visceral and parietal pleural membrane b)they are connective tissue membranse c. they are mucous membranes d. they are located i…

1. Within a few years of clinical use, penicillin-resistant bacteria had become

1. Within a few years of clinical use, penicillin-resistant bacteria had become a major problem. Propose at least two ways that a bacterium could evolve resistance to penicillin. …

1. Within a pair of homologous chromosomes, recombination affects the allele com

1. Within a pair of homologous chromosomes, recombination affects the allele combinations on all four chromatids. 1.Yes 2.No 2.Recombination occurs at a different place in each ce…

1. Within a population of butterflies, the color brown (B) isdominant over the c

1. Within a population of butterflies, the color brown (B) isdominant over the color white, and 40% of all butterflies arewhite. a) Calculate the percentage of butterflies in the …

1. Within cells, different mechanisms exist that allow reactions with positive s

1. Within cells, different mechanisms exist that allow reactions with positive standard free energy changes to go on. Explain two different such mechanisms. 2. Identify the irreve…

1. Within one of the zones, a distribution pattern comes to your attention, in w

1. Within one of the zones, a distribution pattern comes to your attention, in which a forest is found adjacent to a grassland: A) If you assume two soil parent materials are invo…

1. Within the embryo, the spinal cord is formed by A) folding of the outer tissu

1. Within the embryo, the spinal cord is formed by A) folding of the outer tissue layer B) bulging out of the abdominal wall C) an extension of the digestive tract D) an outgrowth…

1. Wly would only \'most\' proteobacteria stain Gram-negative? Can you think of

1. Wly would only 'most' proteobacteria stain Gram-negative? Can you think of some that would either not stain or stain Gram-positive? Are these broad classifications useful? 2. P…

1. Wly would only \'most\' proteobacteria stain Gram-negative? Can you think of

1. Wly would only 'most' proteobacteria stain Gram-negative? Can you think of some that would either not stain or stain Gram-positive? Are these broad classifications useful? 2. P…

1. Work with the provided parental stocks to determine a,b and c: . Homozygous n

1. Work with the provided parental stocks to determine a,b and c: . Homozygous normal (wild-type) strain and . A strain carrying three homozygous mutant markers: cross-veinless wi…

1. Worldwide, the top use of water is for A. drinking water. B. industry. C. rec

1. Worldwide, the top use of water is for A. drinking water. B. industry. C. recreation. D. agriculture. 2. What two land uses result in substantial wetland loss in the United Sta…

1. Would catalase be a more effective enzyme in a cell at physiological pH (pH 7

1. Would catalase be a more effective enzyme in a cell at physiological pH (pH 7.4) or in the stomach at pH 2? Explain. 2. Do you agree or disagree with the following statement: "…

1. Would earthquakes of similar magnitudes in different regions of the planet ca

1. Would earthquakes of similar magnitudes in different regions of the planet cause approximately the same levels of damage? In your explanation, consider both geologic and human-…

1. Would histone digestion Mix work as Hypertonic buffer? 2. What is Precipitati

1. Would histone digestion Mix work as Hypertonic buffer? 2. What is Precipitation Mix for? 3. From this lab, I prepared a "Zero digestion" sample (0 min. digestion) by excluding …