Biology and Genetics

3. Secondary structures are often oriented so that one side faces the outer surf

3. Secondary structures are often oriented so that one side faces the outer surface of a protein and the other faces the interior. Given that each of the three following amino aci…

3. Shown below is a typical hydropathy plot for bacteriorhodopsin as described i

3. Shown below is a typical hydropathy plot for bacteriorhodopsin as described in question 2 a) Draw a horizontal bar over each transmembrane segment. (2pts) Average hydropathy in…

3. Shown below is an image of a common commercially available 1kB DNA ladder (pr

3. Shown below is an image of a common commercially available 1kB DNA ladder (produced by Thermofisher). The concentration of DNA within this ladder is 0.5ug/uL. The amount of eac…

3. Shown below is an image of a common commercially available 1kB DNA ladder (pr

3. Shown below is an image of a common commercially available 1kB DNA ladder (produced by Thermofisher). The concentration of DNA within this ladder is 0.5ug/uL. The amount of eac…

3. Shown below is an image of a common commercially available IkB DNA ladder (pr

3. Shown below is an image of a common commercially available IkB DNA ladder (produced by Thermofisher). The concentration of DNA within this ladder is 0.Sugul. The amount of each…

3. Shown is a pedigree depicting a family in which some members are affected by

3. Shown is a pedigree depicting a family in which some members are affected by a fully -penetrant genetic condition. a) Determine the mode of inheritance of this condition (possi…

3. Sickle-Cell Anemia is caused by an inherited autosomal hemoglobin which leads

3. Sickle-Cell Anemia is caused by an inherited autosomal hemoglobin which leads to sickle shaped red blood cells. Two carriers mate. a. Explain what is meant by an autosomal rece…

3. Sickle-cell anemia is a striking example of the drastic effect a single amino

3. Sickle-cell anemia is a striking example of the drastic effect a single amino acid substitution can have on the structure and function of a protein. One mutation associated wit…

3. Size of Objects ind the size of a structure observed on the microscope use th

3. Size of Objects ind the size of a structure observed on the microscope use this formula: diameter of field size = diameter of the field Where n = the number of structures that …

3. Some Caminalcules went extinct without leaving descendents. In the real world

3. Some Caminalcules went extinct without leaving descendents. In the real world, what intrinsic factors (i.e., related to an organism’s basic reproductive biology, population bio…

3. Some bacteria possess a fascinating system for combatting viral infections ca

3. Some bacteria possess a fascinating system for combatting viral infections called CRISPR (Clustered Regularly Interspersed Short Palindromic Repeats) The genetic elements of th…

3. Stanley Miller performed an experiment trying to find out if a. b. c. d. RNA

3. Stanley Miller performed an experiment trying to find out if a. b. c. d. RNA came before DNA Prokaryotes are older than Eukaryotes Viruses are alive or not Whether the atmosphe…

3. Stem cells have become an important topic of discussion within the science co

3. Stem cells have become an important topic of discussion within the science community over the past few years.                 a. Stem cells are known to have varying levels of …

3. Suppose Cathy says that in spite of her “wildness” in college, she just wants

3. Suppose Cathy says that in spite of her “wildness” in college, she just wants to “get it all out of my system, and then settle down and have kids after I graduate.” As her phys…

3. Suppose that after graduation you and 17 of your friends fly to Bali to celeb

3. Suppose that after graduation you and 17 of your friends fly to Bali to celebrate. On the way back, your plane goes down on a deserted tropical island. You are completely isola…

3. Suppose that thermodynamic parameters for the folding of an enzyme under a ce

3. Suppose that thermodynamic parameters for the folding of an enzyme under a certain set of solution conditions at 298 K were as follows. AG'folding--10 kJ/mol; AS.folding-0.05 k…

3. The DNA packing ratio is one of important parameters in biology. It is define

3. The DNA packing ratio is one of important parameters in biology. It is defined as voume of genome (size of genome * volume of a DNA base pair) volume of compartment such as nuc…

3. The DNA sequence below contains the entire coding region for a gene. Below th

3. The DNA sequence below contains the entire coding region for a gene. Below that is the amino acid sequence of the protein coded for by the gene. A cell suffers a mutation that …

3. The United States has always taken a position that population issues are matt

3. The United States has always taken a position that population issues are matters of national sovereignty, and shouldn’t be subject to global controls. The idea is that people s…

3. The ability to taste phenylthiocarbamide (PTC) in humans appears to be due to

3. The ability to taste phenylthiocarbamide (PTC) in humans appears to be due to a dominant factor. These persons are called tasters. A man who is a taster, and who has a non-tast…

3. The activity of myogenin must be carefully controlled lest it trigger prematu

3. The activity of myogenin must be carefully controlled lest it trigger premature expression of the gene essential for cell differentiation. The myogenin gene is turned ON in bef…

3. The auditory ossicles transmit and amplify sound waves in the middle ear. In

3. The auditory ossicles transmit and amplify sound waves in the middle ear. In sequence, waves pass from: _ . A) incus- malleus- stapes. B) malleus- stapes- incus. C) malleus- in…

3. The bacterium Corynebacterium glutamicum has been aerobically cultured in a b

3. The bacterium Corynebacterium glutamicum has been aerobically cultured in a batch fermenter vessel on glucose at pH 7.0 and 20 °C to produce Glutamic acid for the manufacture o…

3. The bacterium E.coli replicates it’s DNA from start to finish in one process.

3. The bacterium E.coli replicates it’s DNA from start to finish in one process. That is approximately four million nucleotides are replicated from the first base to the last base…

3. The bacterium Streptococcus mutans contains intracellular glycogen storage gr

3. The bacterium Streptococcus mutans contains intracellular glycogen storage granules. These storage granules a. are inclusions. b. would be found in the nucleoid of the cell. c.…

3. The blot may be stored protected from heat and light (between two sheets of b

3. The blot may be stored protected from heat and light (between two sheets of black construction paper, for example). Study Questions 1. 2. 3. Name the tissues that contained the…

3. The bottom level of energy pyramids is always primary producers, which we kno

3. The bottom level of energy pyramids is always primary producers, which we know as _____________. 4. Primary producers get their energy from the ___________. 5. What is the "ten…

3. The cap that is added to the RNA during processing: (Select all that apply.)

3. The cap that is added to the RNA during processing: (Select all that apply.) is needed for ribosomes to attach to messenger RNA. helps prevent rapid breakdown of the messenger …

3. The curves in the Figure below show expiratory airflow during forced expirati

3. The curves in the Figure below show expiratory airflow during forced expiration in a healthy person and in a patient with COPD (also a third curve of a patient with fibrosis). …

3. The development of genetically-modified foods (GMO’s) hasn’t increased food p

3. The development of genetically-modified foods (GMO’s) hasn’t increased food production, but has increased some aspects of profitability. Like all advances, farmers are compelle…

3. The diagram below outlines the endocytic pathway for cholesterol uptake in th

3. The diagram below outlines the endocytic pathway for cholesterol uptake in the cell. Your you to design a mutation in one of the components in the pathway that will prevent up …

3. The diagram below shows the DNA sequence of a gene which is expressed only in

3. The diagram below shows the DNA sequence of a gene which is expressed only in the skin of the Jackalope, a diploid eukaryote. Shown is DNA sequence from close to the transcript…

3. The dnaB gene of E ool encodes a helcase conae) that nwinds DNA atthe replica

3. The dnaB gene of E ool encodes a helcase conae) that nwinds DNA atthe replicaton fork hs is to incubate the substrates under a variety of condi orsand then on agarose gels. The…

3. The driving forces behind plate tectonics, a subject that plagued Wegener, co

3. The driving forces behind plate tectonics, a subject that plagued Wegener, continue to be a matter of debate today. Which of the following is NOT a possible cause of plate moti…

3. The energy stored in the motion of the atmosphere (winds) can be thought of a

3. The energy stored in the motion of the atmosphere (winds) can be thought of as a stock, andis estimated to be about 10 exajoules. The rate at which solar eneray is expended to …

3. The experiment below provides evidence that the e-subunit of bacterial DNA Po

3. The experiment below provides evidence that the e-subunit of bacterial DNA Pol Ill contains the 2 2 7 proofreading activity of the holoenzyme. DNA Pol llI holoenzyme and the pu…

3. The figure below represents a typical example of a Ras protein acting downstr

3. The figure below represents a typical example of a Ras protein acting downstream of a Receptor Tyrosine Kinase (RTK). You are studying a cancer cell line with a mutation that r…

3. The figure below shows the process of receptor-mediated endocytosis. Which of

3. The figure below shows the process of receptor-mediated endocytosis. Which of the following statements regarding this process is false? Coated vesicle a. Receptor-mediated endo…

3. The figure below shows the range of TCR affinities for self-peptide: self-MHC

3. The figure below shows the range of TCR affinities for self-peptide: self-MHC of thymocytes. The range of TCR affinities has been divided into four levels, labeled A-D. i) What…

3. The five major proteins found in milk are shown in table 1 below with their p

3. The five major proteins found in milk are shown in table 1 below with their pl and molecular weights in kDa Table #1. Protein a-casein B-casein pl* 4.8 5.1 6.2 5.5 4.5 MW (kDa)…

3. The following conditions are used to study lactic acid fermentation (volumes

3. The following conditions are used to study lactic acid fermentation (volumes in m): Amount of CO2 0 Tube DI waterMuscle cell suspension Glucose 4 6 0 0 0 1 4 3 4 In your own wo…

3. The following is part of a gene 5\' ATG ACC GGC AAT CAA CTA TAT TGA 3\' 3\' T

3. The following is part of a gene 5' ATG ACC GGC AAT CAA CTA TAT TGA 3' 3' TAC TGG CCG TTA GTT GAT ATA ACT 5' nucleotide a) Determine the amino acid sequence of the protein encod…

3. The following is part of a gene 5\' ATG ACC GGC AAT CAA CTA TAT TGA 3\' 3\' T

3. The following is part of a gene 5' ATG ACC GGC AAT CAA CTA TAT TGA 3' 3' TAC TGG CCG TTA GTT GAT ATA ACT 5' nucleotide a) Determine the amino acid sequence of the protein encod…

3. The following parameters were measured in a trained athlete and a sedentary u

3. The following parameters were measured in a trained athlete and a sedentary university administrator, at rest and during a bout of exercise: Cardiac Output (L/min)   Heart Rate…

3. The following pedigree shows the pattern of inheritance of a rare trait withi

3. The following pedigree shows the pattern of inheritance of a rare trait within the two families. Assume that I-2 and I1-1 are not carriers of this trait. a) Is the trait more l…

3. The following set of experimental results relates the growth (+) of Neurospor

3. The following set of experimental results relates the growth (+) of Neurospora on several media (MM = minimal medium without additives). The design is similar to that used by B…

3. The four key characteristics of the adaptive immune response include which of

3. The four key characteristics of the adaptive immune response include which of the following? Select all that apply. The adaptive immune response can recognize and respond to an…

3. The four o\'clock plant, Mirabils jalapa, is a classic plant model that produ

3. The four o'clock plant, Mirabils jalapa, is a classic plant model that produces pink or white flowers. Cross- pollin ating a white-flowering plant to a pink-flowering plant pro…

3. The genomic structure of human beta globin is shown below. The numbers within

3. The genomic structure of human beta globin is shown below. The numbers within the boxes indicate the length in nucleotides of each region. i) what is the length (in nucleotides…

3. The investigators examined the behavior of the ATCase enzyme in the presence

3. The investigators examined the behavior of the ATCase enzyme in the presence of CTP, and in the presence of both CTP and ATP. The concentration of CTP is 0.1 mM and the concent…