Biology and Genetics
101624 questions • Page 1871 / 2033
a-How does feedback inhibition most commonly work? 1. the final product of the b
a-How does feedback inhibition most commonly work? 1. the final product of the biochemical pathway acts as a competitive inhibitor on the second enzyme used in the pathway 2. the …
a-The protein Ras is involved in 25% of all cancers, and is attached to membrane
a-The protein Ras is involved in 25% of all cancers, and is attached to membranes through a covalent bond to a phospholipid. Which of the following best describes how Ras is assoc…
a-Thyee students erom your lab have to determine a boiling poind q an unknown sa
a-Thyee students erom your lab have to determine a boiling poind q an unknown sample that is supposed to be Butanone CBp 8o°c) Atehovgh all tvee students have condueted theiy expe…
a-Which of the following statements about enzymes is true? 1. Different types of
a-Which of the following statements about enzymes is true? 1. Different types of cells contain different sets of enzymes. 2. Substrates can induce a better fit with their enzyme. …
a-search in Document 0K) , (5 HomCalibn a Geography 115 Pr., + Share Insert Desi
a-search in Document 0K) , (5 HomCalibn a Geography 115 Pr., + Share Insert Design Layout References Mailings» Calibri (Body) 10.5 A A B I U abeXX AAParagraph Styles Paste while a…
a-tin, an allotrope of tin that exists below 132 , is a semiconductor, while -ti
a-tin, an allotrope of tin that exists below 132 , is a semiconductor, while -tin exists at higher temperatures and is a conductor. As the temperature increases from temperature b…
a. (1 pt) How many channels does your patch likely contain? b. (2 pt) Given the
a. (1 pt) How many channels does your patch likely contain? b. (2 pt) Given the recordings above, what is the reversal potential for the channel? Explain your reasoning in 1 sente…
a. (1 pt) How many channels does your patch likely contain? b. (2 pt) Given the
a. (1 pt) How many channels does your patch likely contain? b. (2 pt) Given the recordings above, what is the reversal potential for the channel? Explain your reasoning in 1 sente…
a. (1pts) How many base pairs would in the final mRNA? Show your work b. (Ipts)
a. (1pts) How many base pairs would in the final mRNA? Show your work b. (Ipts) How many bases were spliced out? Show your work 33,0es-10 7) Answer the following questions about t…
a. (5.5 pts.) Hexavalent chromium (or chromium VI) is used in industrial compoun
a. (5.5 pts.) Hexavalent chromium (or chromium VI) is used in industrial compounds found in paints, dyes, and plastics. It is known as a carcinogen through inhalation. Calculate t…
a. 0.94 V b. 0.64 V c. 2.13 V d. 1.85 V 8. What is the single oxidation number f
a. 0.94 V b. 0.64 V c. 2.13 V d. 1.85 V 8. What is the single oxidation number for nitrogen in dinitrogen pentoxide? a. +3 b. -3 c. +4 d. -4 e. +5 d. The paint prevents atmospheri…
a. 1853 b. 1925 c. 1960 d. 1992. 2. transitions can lead to social change and up
a. 1853 b. 1925 c. 1960 d. 1992. 2. transitions can lead to social change and upheaval which at times be seen in the demographic statistics. Political uncertainty, even if it is a…
a. 3/256 3/32 3/16 d. 3/8 e. 3/4 10. Rick identifies two populations of purebree
a. 3/256 3/32 3/16 d. 3/8 e. 3/4 10. Rick identifies two populations of purebreeding winged Formics. Recalling that the winged allele (0 is recessive, he crosses the two populatio…
a. 5 -What is the most common type of loading experienced by the human body? a.
a. 5 -What is the most common type of loading experienced by the human body? a. Shear b. Torsion c. Compression d. Combined loading Q. 6-True or False: The load-deformation curve …
a. A male mouse that is heterozygous for a reciprocal translocationbetween the X
a. A male mouse that is heterozygous for a reciprocal translocationbetween the X chromosome and an autosome is crossed to a femalemouse with a normal karyotype. The autosome invol…
a. ASSUME YOU\'RE A MALE . Your father was ahemophiliac and your mother had norm
a. ASSUME YOU'RE A MALE. Your father was ahemophiliac and your mother had normal blood clotting and was not acarrier for the hemophilia trait. What does this makeyour genotype for…
a. Acetyl group; multiple cytosines b. Multiple guanines; methyl group c. Methyl
a. Acetyl group; multiple cytosines b. Multiple guanines; methyl group c. Methylated guanosine diphosphate; multiple adenines d. Multiple thymines; acetyl group 10. Aminoacyl-tRNA…
a. Answer the folllowing questions When Mendel was examining inheritance of trai
a. Answer the folllowing questions When Mendel was examining inheritance of traits in peas, he discovered that the trait “tall” was dominant to the trait “short”. Given what you k…
a. Assume the human genome is a random sequence with equal frequencies of A, G,
a. Assume the human genome is a random sequence with equal frequencies of A, G, C, and T. If you were to choose a particular, randomly selected 6 bp piece to examine, what is the …
a. Based on the pedigree, characterize each of the following modes of inheritanc
a. Based on the pedigree, characterize each of the following modes of inheritance as likely, unlikely, or impossible: autosomal dominant, autosomal recessive, Y linked, X-linke…
a. Based on the pedigree, characterize each of the following modes of inheritanc
a. Based on the pedigree, characterize each of the following modes of inheritance as likely, unlikely, or impossible: autosomal dominant, autosomal recessive, Y linked, X-linked d…
a. Benedict Te as positive (+) or negative (-) for each carbobydrate 7. lactose
a. Benedict Te as positive (+) or negative (-) for each carbobydrate 7. lactose 4. fractose 8 starch 2. glucose Which carbobydrates are reducing sugars? Which carbohydrates are re…
a. Blood plasma analyses indicated the following: citrulline, 200 M (normal 10 –
a. Blood plasma analyses indicated the following: citrulline, 200 M (normal 10 – 20 M); arginine 40 M (normal 52 – 72 ); ammonia, 1,100 M (normal 5 – 35 M); blood urea nitrogen, 1…
a. Bone marrow transplantation is currently used to treat many immunodeficiency
a. Bone marrow transplantation is currently used to treat many immunodeficiency diseases resulting from defects in hematopoietic cells, such as lymphocytes or myeloid cells. Often…
a. Cholesterol b. Only bile pigments c. Mixtures of cholesterol and bile pigment
a. Cholesterol b. Only bile pigments c. Mixtures of cholesterol and bile pigments d. calcium 13. Explain why stomach cells are resistant to HC: a. Mucus b. Hormones c. Cells 14. L…
a. Components of the kinase cascade of the RTK pathway can amplify the original
a. Components of the kinase cascade of the RTK pathway can amplify the original signal (ligand+receptor).Start with the effect of activation of RAF and describe amplification of t…
a. DNA is antiparallel. b. DNA is a linear molecule. c. DNA is negatively charge
a. DNA is antiparallel. b. DNA is a linear molecule. c. DNA is negatively charged d. DNA is wound around histones. 77. Which of the following statements about the genetic code are…
a. Define the term crossing over. (2 points) b. Explain why crossing over is imp
a. Define the term crossing over. (2 points) b. Explain why crossing over is important in meiosis. (3 points) ~~1.What are the two main differences between mitosis and me…
a. Define the terms ‘Deme’ and ‘Selection pressure’ as they relate to evolution.
a. Define the terms ‘Deme’ and ‘Selection pressure’ as they relate to evolution. b. Write the equation for calculating ‘covariance’ between two traits. c. In a closed breeding pop…
a. Define true fertility rate (TFR): b. What TFR does the planot need to achleve
a. Define true fertility rate (TFR): b. What TFR does the planot need to achleve in order to keop population below 8 bilion people 0. Givan currant trends, is it rossonable to bel…
a. Describe the changes seen in bone structure as bone progresses from \"normal\
a. Describe the changes seen in bone structure as bone progresses from "normal" to 'osteoporotic' b. Osteoporosis increases the risk of fractures. What parts of the body are most …
a. Describe the negative effects of pollutants on crops, forests, and other mate
a. Describe the negative effects of pollutants on crops, forests, and other materials. Which pollutants are mainly responsible for these effects? b. Describe the main attributes o…
a. Describe the process of mismatch repair and the alternative products. Say a r
a. Describe the process of mismatch repair and the alternative products. Say a replication error changes an AT pair to AG. What are the two alternative products resulting from the…
a. Describe treatments for disease (s) caused by pathogen a. What is/are target
a. Describe treatments for disease (s) caused by pathogen a. What is/are target (s) of antimicrobial drugs? b. If vaccine, what kind? (e.g. subunit? Attenuated live?) And, what is…
a. Determine whether it is advantageous to use compact fluorescent bulbs instead
a. Determine whether it is advantageous to use compact fluorescent bulbs instead of conventional incandescent light bulbs by comparing levelized annual expenditures, $/yr, over an…
a. Discuss the term heritability including its calculation, use and limitations.
a. Discuss the term heritability including its calculation, use and limitations. Examples may be included. b. The narrow-sense heritability of egg weight in a particular flock of …
a. Discuss two general advantages to having organs perform specialized functions
a. Discuss two general advantages to having organs perform specialized functions. b. Discuss two general advantages to having a more diffuse, dispersed system of isolated cells pe…
a. Download a nucleotide sequence from GenBank for a gene of interest. What gene
a. Download a nucleotide sequence from GenBank for a gene of interest. What gene did you download? Was the sequence published? Where, when, and by whom? What format is your nucleo…
a. Explain the action of insulin on body cells. b. Rising blood serum levels of
a. Explain the action of insulin on body cells. b. Rising blood serum levels of what substance(s) stimulate(s) the release of insulin? c. If the body is not producing enough insul…
a. Explain what Hardy-Weinberg equilibrium is. Cite at least four factors that c
a. Explain what Hardy-Weinberg equilibrium is. Cite at least four factors that can shift a population out of Hardy-Weinberg equilibrium, and briefly discuss each one. b. You have …
a. Find a biopolymer and briefly describe its chemical composition, whether it w
a. Find a biopolymer and briefly describe its chemical composition, whether it would be considered an addition polymer or condensation polymer and its important physical propertie…
a. Flavivirus b. Togavirus c. Adenovirus d. Yersinia pestis 36. Temperate phages
a. Flavivirus b. Togavirus c. Adenovirus d. Yersinia pestis 36. Temperate phages often a) lyse their host cell all the time b) integrate their DNA into the host DNA c) change prop…
a. Fledgling grad student, Joe Peon, is doing PCRand goes to the freezer to get
a. Fledgling grad student, Joe Peon, is doing PCRand goes to the freezer to get the reagents needed to set up thereaction. This overworked graduate student grabs ddNTPs, 2forwa…
a. From these data, what cells are required to elicit an autoimmune disease? Wha
a. From these data, what cells are required to elicit an autoimmune disease? What cells are required to prevent an autoimmune response? Explain. b. Why were nude mice used in this…
a. Gene expression profiling was conducted to find genes associated with Autism
a. Gene expression profiling was conducted to find genes associated with Autism Spectrum Disorder (ASD). This profile is showing the top 530 scoring genes. The control group is Un…
a. George is a 51-year-old, moderate risk client who weighs 163 lbs. Because of
a. George is a 51-year-old, moderate risk client who weighs 163 lbs. Because of his high-stress job, he has recently started an exercise program at the company wellness facility. …
a. Gluconeogenesis occurs in cells in response to low glucose levels. You want t
a. Gluconeogenesis occurs in cells in response to low glucose levels. You want to know if your particular cell line undergoes gluconeogenesis and therefore, compare cells grown …
a. Glucose Regulatory Protein (GRP58) is a unique human protein that contains bo
a. Glucose Regulatory Protein (GRP58) is a unique human protein that contains both a Nuclear Localization Sequence (NLS) and an N-terminal hydrophobic Endoplasmic Reticulum (ER) t…
a. Glucose Regulatory Protein (GRP58) is a unique human protein that contains bo
a. Glucose Regulatory Protein (GRP58) is a unique human protein that contains both a Nuclear Localization Sequence (NLS) and an N-terminal hydrophobic Endoplasmic Reticulum (ER) t…
a. Hemophilia is a recessive X-linked human blood disease that leads to the fail
a. Hemophilia is a recessive X-linked human blood disease that leads to the failure of blood to clot normally. What proportion of the sons are expected to have hemophilia if the m…
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