Biology and Genetics

13) Replica plating is an example of A) positive selection B) negative selection

13) Replica plating is an example of A) positive selection B) negative selection C) screening D) counterselection E) none of the above. 14) We now know that bacterial cells inside…

13) The last time point was taken at S0 hours... from what\'s shown on the growt

13) The last time point was taken at S0 hours... from what's shown on the growth curve at that time, can you describe what the bacteria were doing in the flask of liquid media at …

13) The phenotype of an organism is Which of the following is NOT a major abioti

13) The phenotype of an organism is Which of the following is NOT a major abiotic component of the environment? Fire Rainfall Winter Temperatures Nutrient Levels None of the above…

13) The reproductive cycle of plainfin midshipman fish is under seasonal hormona

13) The reproductive cycle of plainfin midshipman fish is under seasonal hormonal control. Which one of the following experiments supports this statement? emale midshipman fish ca…

13) What is different between two alleles of the same gene? A) Their location. F

13) What is different between two alleles of the same gene? A) Their location. For example, one allele might be at the end of one chromosome, while the other allele is in the midd…

13) Which bond in the image above is a peptide bond? A. A B. B c, c D. D E. E 14

13) Which bond in the image above is a peptide bond? A. A B. B c, c D. D E. E 14) Glycogen is a(n): A. monosaccharide. B. structural polysaccharide in plants. C. storage polysacch…

13) Which of the following (one and only one correct) is true of energy relation

13) Which of the following (one and only one correct) is true of energy relationships between trophic levels The amount ofenergy flowing through one trophic level is 10% of that f…

13) Which of the following materials will allow for the fastest transmission of

13) Which of the following materials will allow for the fastest transmission of seismic waves? A) Rigid, less compressible material B) Material that has been slightly heated C) Pa…

13) Which of the following statements about the cell wall diversity in prokaryot

13) Which of the following statements about the cell wall diversity in prokaryotes is NOT correct. A) Although there is some diversity in bacterial cell wall structure, most bacte…

13) Which of the following would elute last from a size-exclusion chromatography

13) Which of the following would elute last from a size-exclusion chromatography column a) b) c) d) Protein A: MW-108,000, net charge +2 Protein B: MW-38,000, net charge +1 Protei…

13) Which tornadoes are the most destructive? o Short-duration storms o Long dur

13) Which tornadoes are the most destructive? o Short-duration storms o Long duration storms o Multi-vortex storms o None of the above 14) Who developed the tornado rating scale? …

13) Which trait(s) is (are) shared by many modern gymnosperms and angiosperms? 1

13) Which trait(s) is (are) shared by many modern gymnosperms and angiosperms? 1. pollen transported by wind 2. xylem 3. reduced gametophyte stage 4. endosperm a) 1 only b) 2 only…

13) You perform a chi square test on a monohybrid cross (Aa x Aa) and determine

13) You perform a chi square test on a monohybrid cross (Aa x Aa) and determine that chi square = 3.22. (HINT: Your df is the number of phenotypic groups minus 1). What is your p …

13) You setup three PCR reactions using the same set of primers but with differe

13) You setup three PCR reactions using the same set of primers but with different DNA template samples (A, B, and C). You then perform agarose gel electrophoresis on the PCR reac…

13) a prokaryote that obtains both energy and carbon as i decomposes dead organi

13) a prokaryote that obtains both energy and carbon as i decomposes dead organisms A) 1 only B) 4 only C) 1 and 3 D) 2 and 4 E) 1, 3, and 4 14) Which of the following traits do a…

13) variations Northern temperature are less extreme in the Southern Hemisphere

13) variations Northern temperature are less extreme in the Southern Hemisphere than in the Hemisphere because A) all of the cold air in the Southern over Antarctica, but there is…

13) which of these terms best describes the site where Love Canal houses were bu

13) which of these terms best describes the site where Love Canal houses were built? A. grassroots B. brownfield C. abandoned site D. Superfund E. landfill 14)Bioremediation is a …

13). Review the diffusion experiment involving starch and glucose in the dialysi

13). Review the diffusion experiment involving starch and glucose in the dialysis bag: a) What happened to the glucose? b) What happened to the starch? c) What happened to the wat…

13)Light rays that come in parallel into the front of a telescope are likely to

13)Light rays that come in parallel into the front of a telescope are likely to be coming from what? A) a cloud in the sky B) a large broad object like the oon C) one star D) many…

13- This type of cell is involved in the release of histamines and allergic reac

13- This type of cell is involved in the release of histamines and allergic reactions. a) Basophils b) Neutrophils c) Eosinophils d) Dendritic cells 14-The most abundant cell of t…

13- Which of the following would be characterized as an autocrine siga? a. Self-

13- Which of the following would be characterized as an autocrine siga? a. Self-responding b. Endocrine c. Distal neighbors d. e Both b and d 14- Which of the following is not an …

13-1 Filaments and Tubules. Indicate whether each of the fol- lowing description

13-1 Filaments and Tubules. Indicate whether each of the fol- lowing descriptions is true of microtubules (MT), microfilaments (MF), or intermediate filaments (IF). More than one …

13-15: Each description listed below is most closely associated Choose the best

13-15: Each description listed below is most closely associated Choose the best answer, AC wtthe following mechanisms of protein transport Each of the answer can only be used once…

13-18 the species Drosophila pseudoobscura respond less well to the courtship si

13-18 the species Drosophila pseudoobscura respond less well to the courtship signals from males of their close relative Drosophila species. This is an example of A) gametic isola…

13-19 help eneracy results because there are more codons than A. Decodable amino

13-19 help eneracy results because there are more codons than A. Decodable amino acids B. Encodable amino acids C. Encodable DNA D. Encodable RNA 14. The anticodon CAU has a code …

13-2 True or False. Identify each of the following statements as true (T) or fal

13-2 True or False. Identify each of the following statements as true (T) or false (F). Provide a brief justification for your answer. (a) The plus end of microtubules and microfi…

13-2Thinking It Through An important part of Torst Borgen’s work as a physical t

13-2Thinking It Through An important part of Torst Borgen’s work as a physical therapy assistant is working with postoperative patients in their homes. His job is to help them reg…

13-3 Cytoskeletal Studies. Described here are the results of several recent stud

13-3 Cytoskeletal Studies. Described here are the results of several recent studies on the proteins of the cytoskeleton. In each case, state the conclusion(s) that can be drawn fr…

13-7 A New Wrinkle. Fibroblasts can be placed on thin sheets of silicone rubber.

13-7 A New Wrinkle. Fibroblasts can be placed on thin sheets of silicone rubber. Under normal circumstances, fibroblasts exert sufficient tension on the rubber so that it visibly …

13-The Gasak anacrobic jar provides what environmenc? A. Oxygen free B. Bacteria

13-The Gasak anacrobic jar provides what environmenc? A. Oxygen free B. Bacteria free C. Carbon dioxide free D. All of the above Use the diagram below to answer the question 34 an…

13-Which tube might indicate the presence of Helicobacter pylori 14-True or Fals

13-Which tube might indicate the presence of Helicobacter pylori 14-True or False A disinfectant should beused after a spilil, before the start of ar labperiod and after alt work …

13. (10 pts: 5 pts for mineral or rock and 5 pts for human use of it) Name a min

13. (10 pts: 5 pts for mineral or rock and 5 pts for human use of it) Name a mineral or rock, EXCLUDING any mineral or rock composed of a single element, that constitutes a resour…

13. (2 points) (application) Albinism is inherited through a recessive allele (a

13. (2 points) (application) Albinism is inherited through a recessive allele (a). Michael has normal skin color. His Mom and Dad also have normal skin color. Michael marries Bria…

13. (2pts) A strain of Drosophila is heterozygous for a paracentric chromosome i

13. (2pts) A strain of Drosophila is heterozygous for a paracentric chromosome inversion that spans a large region of chromosome 2 in which crossovers typically occur in meiosis. …

13. (30 pts.,) A 3.250 L piston contains 0.1600 mol of an ideal gas at 120.0 kPa

13. (30 pts.,) A 3.250 L piston contains 0.1600 mol of an ideal gas at 120.0 kPa (Point A) before the piston is compressed down to 812.5 mL and a pressure of1 209.52 kPa (Point B)…

13. (5 points) Which of the following is true about scramble competition relativ

13. (5 points) Which of the following is true about scramble competition relative to contest competition Populations are more likely to show overshoots before decreasing to an equ…

13. (Bnus point question): The average molecular weight of DNA is 650 Dalton per

13. (Bnus point question): The average molecular weight of DNA is 650 Dalton per base pair. With the smolecules. 14. (Bonus point question): When we prepare PCR mastermix for ampl…

13. (Learning Objective 7) In the Calvin cycle carbon fixation occurs. This mean

13. (Learning Objective 7) In the Calvin cycle carbon fixation occurs. This means that: ACarbon atoms and other minerals from the soil are pulled into the plant by the roots B. Ca…

13. * List 4 types of species/species interactions found within most communities

13.      *List 4 types of species/species interactions found within most communities.             [Note: There are more than 4 types of interactions. You may choose any 4] * Which…

13. 7 14, on the left with its correct description on the right. s. Matching 1.

13. 7 14, on the left with its correct description on the right. s. Matching 1. lateral gray hom 2. bundle of axons 3. rami communicantes 4. subarachnoid space 5. ventral root 6. …

13. A 57-year-old overweight male visits his family physician and the following

13. A 57-year-old overweight male visits his family physician and the following blood test BNP, hs- CRP were elevated. He later returned to the ED later that afternoon, sweating a…

13. A group of scientists have recently found that yearling weight is only affec

13. A group of scientists have recently found that yearling weight is only affected by five loci. Assume the following in order to fill in the table below. (pop. mean 1000 Ib) a. …

13. A mouse is immunized with the tetanus toxoid protein (inactivated toxin) in

13. A mouse is immunized with the tetanus toxoid protein (inactivated toxin) in adjuvant. One week later, the entire population of splenic B cells are isolated from the mouse and …

13. A non-Golgi protein that reaches the TG N and has neither a lysosomal tag, n

13. A non-Golgi protein that reaches the TG N and has neither a lysosomal tag, nor an ER retention signal will probably be 14. For the tagging of lysosomal proteins, the man 15. S…

13. A non-Golgi protein that reaches the TGN and has ncither a lysoscenal uag, n

13. A non-Golgi protein that reaches the TGN and has ncither a lysoscenal uag, nor n will probably be 14. For the tagging of lysosomal peoteins, the mannose is phosphory lated in …

13. A polyclonal antiserum raised against pooled human IgA will react with A) hu

13. A polyclonal antiserum raised against pooled human IgA will react with A) human IgE B) human IgG. c) J chain. D) human IgM. 14. M ucosal epithelia of the gastrointestinal trac…

13. A test cross of a tall, yellow flowered dihybrid tomato produced 63 tall yel

13. A test cross of a tall, yellow flowered dihybrid tomato produced 63 tall yellow, 57 short white, 214 tall white and 226 short yellow plants. What is the map distance between t…

13. A transmembrane protein has 1000 amino acids. The seventh amino acid is foun

13. A transmembrane protein has 1000 amino acids. The seventh amino acid is found in between the tails of the cell membrane. Amino acid 36 is found on the outer surface of the pro…

13. A typical neuron is shown below. Suppose the axon is stimulated directly in

13. A typical neuron is shown below. Suppose the axon is stimulated directly in the middle (at location 'X) using electrodes. The membrane reaches threshold. What will happen next…

13. A university student telephoned the state Department of Health (SDH) at 9:00

13. A university student telephoned the state Department of Health (SDH) at 9:00 on Saturday morning believing he and his roommate (who was also his fraternity brother) had experi…