20. a. R2 is a two-dimensional subspace of R3. b. The number of varia.pdf

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20. a. R2 is a two-dimensional subspace of R3. b. The number of variables in the equation Ax 0 equals the dimension of Nul A c. A vector space is infinite-dimensional if it is spanned by an infinite set. d. If dim V n and if S spans V, then S is a basis of V e. The only three-dimensional subspace of R3 is R3 itself. Solution c is the correct answer.

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What is Canada\'s comparative advantage aside from transportation and road infrastructures.. Solution Comparative advantage is used with reference to trade activities with other nations. Comparative advantage refers to those products and services that are produced at lower opportunity cost. With reference it, country mentioned in the question holds comparative advantage in mineral products and agricultural products. It happens possibly due to the vast availability of natural resources in the country..

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What are electron carriers and what do they do? Provide specific examples and explain where and how they are used in metabolism. Solution Electron carriers are the molecules which are capable of accepting one or two electrons from one molecule and then donating to the other in the process of electron transport. As the transferring of electrons occurs from one carrier to other, their energy level decreases and release of energy occurs. Ex. Cytochromes, quinones,, NADH, FADH2. The role of NADH and FADH2 is to donate electrons to the electron transport chain. During the electron transport chain both NADH and FADH2 donate electronsto create water by providing a hydrogen molecule to an oxygen molecule to form water. During both the glycolysis and Kreb cycles NADH is formed as a product. FADH2 is only produced in Krebs cycle. During the electron transport chain, NADH become NAD+ and the H get transported across the membrane. Thus in the transport chain electrons reduced from NAD+ are utilised. Similar thing happens to FADH2 as well. FADH2 becomes FAD+ and the H\'s are transported across the membrane. These hydrogens that were released by ATP synthase utilises the hydrogens released by NAD+ and FAD + to form ATP by placing back hydrogen molecules across the membrane..

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Using my study in Health Care Administration, give examples of a variable that would be considered a discrete random variable AND another that would be considered a continuous random variable. Which probability distribution would be most appropriate for each variable? Solution Discrete random variable : Number of patients visiting each day. Bernauli\'s distribution Continuous random variable: Temperature of Room. Gaussian Distribution.

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Part 1/10 The orientation of each tetrad at the spindle equator is Multiple Choice maternally controlled. paternally controlled. dependent on the number of tetrads. random. Part 2/10 The number of possible chromosomal orientations during metaphase I is equal to the number of chromosome pairs raised to the 2nd power. True/Fale Part 3/10 Mutations in proto-oncogenes are examples of recessive mutations because it requires both proto-oncogenes to be mutated in order for the mutation to be physically expressed. True/Fale Part 4/10 Because mutations in proto-oncogenes are those that allow the cell to gain a new function, they are often referred to as All of the answer choices are correct. dominant mutations. \"gain of function\" mutations. \"nouveau\" oncogenes. Part 5/10 Select from the following list of statements all of the ways in which meiosis II differs from meiosis I. Check All That Apply Interkinesis doesn\'t involve the replication of chromosomes, whereas interphase does. Crossing-over doesn\'t occur in prophase II, whereas it does in prophase I. Cells in meiosis II are haploid and cells in meiosis I are diploid. Sister chromatids separate in anaphase II, whereas homologous chromosomes separate in anaphase I. Part 6/10 At the end of meiosis II, there are two haploid cells, with each chromosome consisting of a single chromatid. two haploid cells, with each chromosome containing two sister chromatids. four diploid cells, with each chromosome consisting of a single chromatid. four haploid cells, with each chromosome consisting of a single chromatid. four haploid cells, with each chromosome containing two sister chromatids. Part 7/10 A eukaryotic cell that receives a \"go-ahead\" signal at the G1 checkpoint of the cell cycle will move directly into the M phase. enter a resting stage. move directly into the G2 phase. stop growing. complete the cycle and divide. Part 8/10 After cytokinesis, the cell enters the G1 phase. True/Fale Part 9/10 Crossing-over occurs during prophase I of meiosis. True/Fale Part 10/10 Crossing-over has no effect on the genetic makeup of the resulting gametes. True/Fale Solution Part 1/10 The orientation of each tetrad at the spindle equator is maternally controlled. paternally controlled. dependent on the number of tetrads. random. Correct option: Random. The orientation of tetrad at the spindle equator is random, that is, the maternal chromosome of a tetrad can randomly be oriented towards any of the two poles. This is true for paternal chromosomes, too. Therefore, a resultant gamete inherits some chromosomes from mother and some from father. Part 2/10 The number of possible chromosomal orientations during metaphase I is equal to the number of chromosome pairs raised to the 2nd power. True/Fale Correct option: False. For example, a cell has 2 tetrads (= 2 pair of chromosomes) at metaphase I. No. of possible orientations = (2)n where, n = number of tetrads or chromosome pairs. Part 3/10 Mutations in proto-oncogenes are .

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Lori owed some shares of stock in the Peterson company. She recently bought more shares and now she has a total of 1 1/2 times as many shares as she originally owned. Her shares are worth 20$ each and their total worth is $6,000.00. How many shares of stock did Lori originally own? Lori owed some shares of stock in the Peterson company. She recently bought more shares and now she has a total of 1 1/2 times as many shares as she originally owned. Her shares are worth 20$ each and their total worth is $6,000.00. How many shares of stock did Lori originally own? Solution Lets assume there were x shares After buying new shares she has 1.5x shares each share price = 20$ So, total worth = 20*1.5x 30x = 6000.00 x = 2000 shares She had originally 2000 shares.

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