Biology and Genetics

1. a) An electron-volt (eV) is the amount of energy needed to move a single elec

1. a) An electron-volt (eV) is the amount of energy needed to move a single electron from an electric potential of 0 to an electric potential of -1 V. The charge of an electron is…

1. a) Define gene regulation. (2pts) What are two ways gene regulation can be co

1. a) Define gene regulation. (2pts) What are two ways gene regulation can be controlled in a cell? (2pts) Is gene regulation found in all organisms? Do you think gene regulation …

1. a) Describe the ethical and legal issues presented in this case. b) Describe

1. a) Describe the ethical and legal issues presented in this case. b) Describe how the physician's professional code of ethics was breached. c) For this situation, what would you…

1. a) Heterozygous b) X sex linked traits c) inclomplete dorminance d) standard

1. a) Heterozygous b) X sex linked traits c) inclomplete dorminance d) standard dorminance e) Recessive f) Epistasis g) Genotype h) Phenotype    i) Dominant j) Homozygous k) Codom…

1. a) If the amplitude is large, will the resultant period be greater than, less

1. a) If the amplitude is large, will the resultant period be greater than, less than, or equal to the period for small amplitudes? Explain. b) In general, if the entire mass of a…

1. a) Mars has a mass of approximately 600,000,000,000,000,000,000,000 kg. Expre

1. a) Mars has a mass of approximately 600,000,000,000,000,000,000,000 kg. Express this quantity in scientific notation, with units: _____________________________ b) A water molec…

1. a) Pulse field gel electrophoresis (PFGE) is capable of separating extremely

1. a) Pulse field gel electrophoresis (PFGE) is capable of separating extremely large pieces of DNA by size through angled and switching electrical currents. It can clearly separa…

1. a) Starting with a single molecule of an mRNA template and sufficient primers

1. a) Starting with a single molecule of an mRNA template and sufficient primers, enzyme and all other co-factors for successful gene specific RT-PCR, how may PCR cycles are requi…

1. a) Suppose that a farmer wishes to start a you-pick berry farm, where custome

1. a) Suppose that a farmer wishes to start a you-pick berry farm, where customers pick their own fruit from the berry bushes. In this variety of berry, the tall, thornless, and t…

1. a) The equilibrium constant ( K c ) for the following reaction is 1.2 at 375

1. a) The equilibrium constant (Kc) for the following reaction is 1.2 at 375 oC. This reaction was initially started with 0.76 M H2, 0.60 M N2, and 0.48 M NH3. Is this system at e…

1. a) What is packing parameter of lipid or surfactant? Calculate the packing pa

1. a) What is packing parameter of lipid or surfactant? Calculate the packing parameter of micelle, liposomes and bilayer. (10 points) b) Consider two types of single chain lipid …

1. a) What is the speed of light in cm/sec? b) What is the definition of the Ast

1. a) What is the speed of light in cm/sec? b) What is the definition of the Astronomical Unit? How many centimeters are there in 1 AU? Calculate how long it takes light to travel…

1. a) Why is it important to be able to distinguish tills from other types of di

1. a) Why is it important to be able to distinguish tills from other types of diamictons? b) Aside from scientific or academic concerns, why is it important to determine which pro…

1. a). Proteins and carbohydrates have the same caloric content, ounce for ounce

1. a). Proteins and carbohydrates have the same caloric content, ounce for ounce. True False b). The product of an enzymatic reaction is called the substrate True False c). Fermen…

1. a). The presence of this substance will determine whether yeast will use resp

1. a). The presence of this substance will determine whether yeast will use respiration or fermentation pathway for energy production. glucose sucrose carbon dioxide oxygen water …

1. a). The presence of this substance will determine whether yeast will use resp

1. a). The presence of this substance will determine whether yeast will use respiration or fermentation pathway for energy production. glucose sucrose carbon dioxide oxygen water …

1. a). Which white blood cells are most directly involved in inflammation? b). W

1. a). Which white blood cells are most directly involved in inflammation? b). Which three cytokines are the main proinflammatory.cytokines? 2. a). What types of structures do tol…

1. a)Using the Short Sequence match for the 3’ poly A site (AATAAA) one of the t

1. a)Using the Short Sequence match for the 3’ poly A site (AATAAA) one of the two matches (figure below) is likely to be the 3’ transcription termination signal for the tra gene?…

1. a- Fully describe three typical ways that minerals form. b- Diamonds scratch

1. a- Fully describe three typical ways that minerals form. b- Diamonds scratch glass.  If someone gives you something clear and a little colorful and scratches glass with it, is …

1. a. Analysis of the DNA of the Phenylalanine hydroxylase (PAH) gene in a patie

1. a. Analysis of the DNA of the Phenylalanine hydroxylase (PAH) gene in a patient with phenylketonuria revealed a mutation in the protein coding region whose predicted effect wou…

1. a. Cells must maintain an appropriate level of fluidity across their membrane

1. a. Cells must maintain an appropriate level of fluidity across their membranes. Hot temperatures lead to greater membrane fluidity. What might you then expect to find regarding…

1. a. Consider the following sequences, which are pieces of a larger, independen

1. a. Consider the following sequences, which are pieces of a larger, independently folding polypeptide. Which sequence is more likely to form an alpha helix, and which is more li…

1. a. It is estimated that 1 out of 20 people in Europe are carriers of cystic f

1. a. It is estimated that 1 out of 20 people in Europe are carriers of cystic fibrosis. What is the probability that both a husband and a wife in Europe are carriers? b. If both …

1. a. What molecule (be specific) does Zelboraf inhibit? (1 pt) b. Is this molec

1. a. What molecule (be specific) does Zelboraf inhibit? (1 pt) b. Is this molecule found in melanoma cells, normal cells or both? (1 pt) c. What do you predict about Zelboraf sid…

1. a. What was the size of your pGAL plasmid when cut once with Eco R I or Hind

1. a. What was the size of your pGAL plasmid when cut once with EcoR I or Hind III ? b. Does this match the total size of the pGAL plasmid? c. What size protein would you expect w…

1. a. chromatids in the G2 phase. – 40 or 20 chromosomes during prophase of mito

1.    a. chromatids in the G2 phase. – 40         or 20 chromosomes during prophase of mitosis. - 20 c.  synapsed homologous pairs in metaphase I. – 20  or 2 d.  chromatids in ana…

1. a.) A tissue culture flask containing cells is cultured in 10mL of media cont

1. a.) A tissue culture flask containing cells is cultured in 10mL of media containing 0.01g/mL glucose. If the cells consume glucose at a rate of 0.01 g/hour, how long before the…

1. a.)Why is the Northwestern US [Cascade Range and Aleutians] volcanically acti

1. a.)Why is the Northwestern US [Cascade Range and Aleutians] volcanically active? Southern California is tectonically, but not volcanically active. Explain why. b.) Describe how…

1. all organisms living together in a place are called? a. community b. populati

1. all organisms living together in a place are called? a. community b. population c. species d. ecosystems 2. competition shapes communities because there are usually limited a. …

1. at location ___________, the membrane potential changes sign ) from positive

1. at location ___________, the membrane potential changes sign ) from positive value to a negative value) and the voltage-gated K+ channels are open. 2. At location __________, t…

1. based on the mRNA strand what is the DNA nucleotide base sequence? 2. based o

1. based on the mRNA strand what is the DNA nucleotide base sequence? 2. based on the mRNA codon what is the tRNA anticodon nucleotide base sequence? 3. based on the DNA template …

1. brine shrimp or sea monkeys normally live at pH 8. you want to test the effec

1. brine shrimp or sea monkeys normally live at pH 8. you want to test the effect of pH on the ability of brine shrimp to survive at a lower pH (pH 4,5 6 and 7). a. what would be …

1. carrying capacity can vary depending on environmental conditions. true or fal

1. carrying capacity can vary depending on environmental conditions. true or false 2. Unlike photosynthesis, cellular respiration does not require the intake of carbon dioxide, us…

1. cell You need to expand cells in culture for an upcoming suspension and mix i

1. cell You need to expand cells in culture for an upcoming suspension and mix it with 100uL of trypan blue for counting. After total number of cells needed for the three flasks? …

1. cells that have LH receptors 2. cells that are the testis equivalent or \'hom

1. cells that have LH receptors 2. cells that are the testis equivalent or 'homolog' of the ovarian granulosa cells 3. cells found inside the seminiferous tubules that are going t…

1. certain key words, known as cue words, signal that a reasonis being ofiered i

1. certain key words, known as cue words, signal that a reasonis being ofiered in supportofa conclusion. a True b. False 2. we use a number of basic argument forms to organize, re…

1. cervical 2. ulnar nerve meningeal layer rich in collagen bers L innervates th

1. cervical 2. ulnar nerve meningeal layer rich in collagen bers L innervates the neck region dura mater axons of sensory neurons coming into spinal cord O. region of spinal cord …

1. chromosome 17 of a hirsute, belligerent Canadian that you believe is responsi

1. chromosome 17 of a hirsute, belligerent Canadian that you believe is responsible for his remarkably fast and scarless healing. You want to study the protein product of this gen…

1. college students have been known to consume an alcoholic beverages or two aft

1. college students have been known to consume an alcoholic beverages or two after they've completed their studies for the evening. Some even have more than they should, and wake …

1. compare samples 1-3 . what is the purpose of including siRNA oligonucleotides

1. compare samples 1-3 . what is the purpose of including siRNA oligonucleotides against firefly luciferase? does the level of BTF expression change in the samples? does the level…

1. competitive exclusion that involves entire communities is called ______. 2. h

1. competitive exclusion that involves entire communities is called ______. 2. hydrophobic "tails" are found in what family of biomolecules? 3. What small molecule is related duri…

1. complete medium- 100% 2. minimal medium with galactose- 2.1% 3. minimal mediu

1. complete medium- 100% 2. minimal medium with galactose- 2.1% 3. minimal medium with ampicillin and glucose- 9.2% 4. minimal medium with ampicillin, galactose and biotin- 4.5% I…

1. consider opsonins. a. what is the genral function of opsonins? b. What cell(s

1. consider opsonins. a. what is the genral function of opsonins? b. What cell(s) has its function altered by opsonins? C, How does the above cell physically interact with opdonin…

1. d. Cold deserts are characterized by permafrost—permanently frozen soil. 2. W

1. d. Cold deserts are characterized by permafrost—permanently frozen soil. 2. Which of the following statements is false? a.Boreal forests have only a few tree species. b. Arctic…

1. determine approximately how many years ago these rocks were deposited. e igur

1. determine approximately how many years ago these rocks were deposited. e igure s.22, page 25 1 is sphern also possible that life originated in hot springs similar t those found…

1. diversity is found at which biological level? a. atoms, b molecules, c. biome

1. diversity is found at which biological level? a. atoms, b molecules, c. biomes. d. tissues, e communities ab. all or ac. none 2. which of the following displays the properties …

1. do you agree with his conclusion? explain 2. what would be an appropriate con

1. do you agree with his conclusion? explain 2. what would be an appropriate control for this experiment? How would you revise the set - up? Student A did the experiment using a c…

1. does Earth have oceans, as opposed to the water being evenly distributed ever

1. does Earth have oceans, as opposed to the water being evenly distributed everywhere? It is fashionable. C'mon, who wants a swampy, marshy Earth everywhere? Nobody does. -The de…

1. during inflamation fluid will passively diffuse out of blod vessels into the

1. during inflamation fluid will passively diffuse out of blod vessels into the nearby infected tissue. This implies all of the following EXCEPT a.the osmolarity of the fluid surr…

1. elow you have the seguence of both strand f rtiolar DNA segnent 5\' T T C A T

1. elow you have the seguence of both strand f rtiolar DNA segnent 5' T T C A T A A A A C C T A3 3' A A G T A T T T T G G A T 5' So, let's say that you decided to artificially rep…