Biology question and answers for August 28, 2023
- Q Discuss signaling molecules that regulate vascular developmentin the root
- Q Do transposons code for proteins?explanation: Do all transposons code for proteins like our DNAdoes? Does it come from outside sources only? I know there areretrotransposons and like LINEs and SINEs...
- Q What is the free energy change in transporting anuncharged molecule across the membrane of a cell from10-5 M to 10-2M? Is an input of free energyrequired for this transport?
- Q A)List several advantages of having a body cavity as opposed tohaving the acoelomate condition found in thePlatyhelminthes.  B)How do rotifers react to light?
- Q What are the two methods of determining population density?
- Q Haplorhine species : BonnetMacaque      Strepsirrhinespecies: Berthe's Mouse LemurTraits: check the box for each trait that is true ofyour strepsirrhine species (left) and your haplorrhinespecies (right).                                                STREPSIRRHINE                HAPLORRHINETRAITSprehensiletail                                                                                                                      rhinarium                                                                                                                                          2.1.3.3/2.1.3.3. dentalpattern                                                                           tapetumlucidum                                                                                                      catarrhinenose                                                                                             dentalcomb                                                                                            ischialcallosities                                                                                          femalephilopatry                                                                                          nocturnal activitypattern                                                                            sexually dimorphicor                                                                            sexuallydichromatic                                   vertical clinging...
- Q Mitochondrial DNA is highly conserved across organisms and isused to map phylogeny of organisms – why would this be importantfor organisms to have such high fidelity here? What kinds ofmechanisms...
- Q While perusing the scientific literature late one night, youcome across a report that a protein called Thingamajig is thoughtto be involved in the development of antibiotic resistance, anemerging global health...
- Q 1. Show all the different kinds of gametes which could beproduced by the following individuals?a) Ff b) Gg c) YyZz d) AaBbCc e) CC*please draw out solution and write how...
- Q The following data are simulated for a 200 mg dose of a druggiven p.o. and i.v. VD = 500L Rate of absorption (oral only) =0.0096 min-1 (IV bolus was assumed...
- Q eschewed EnzymesFurther study of these proteins reveals them tobe highly advanced proteins capable of passing through membranesdespite their size. Researchers in another lab have managed tocreate an enzyme that is...
- Q 1.      Describe how a modification of the expression of a subunit of NMDAreceptors (Doogie) can result in a major change in behavior, namelyspatial learning.2.      List types of changes (short and long-term) associated...
- Q Assignment:1) Describe the principle of the yeast-two hybrid system2) A positive result for the yeast two-hybrid analysismeans:A. two fusion proteins, one containing the Gal4p binding sitedomain and one containing the...
- Q From Pestilence to PetThe overheard transmission was apparentlya ruse and last ditch effort of these nefarious aliens. Due to thework completed by you and your research teams they have retreatedand...
- Q Km is sometimes described as the dissociation constant of the EScomplex. Is this description accurate, and if so when? Justify youranswer with expressions of Km and KD under specific situations.
- Q - Identify at least three characteristics that Tardigrada sharewith members of the phylum Arthropoda?- Identify at least two ways that they differ from members ofthe phylum Arthropoda.- What is cryptobiosis...
- Q aWhat wavelengths of light worked best for the production ofoxygen? Hypothesize why it was those particular wavelengths oflight that produced the most oxygen.b)Why did using the fullspectrum of light work...
- Q How does root system architecture change in response tophosphorus deficiency?
- Q - Know the different processes of Eukaryotic Regulation (i.e.Chromatin Structure, Transcriptional regulation.
- Q Does KFC (Kentucky Fried Chicken) sell meat from dinosaurdecsendants? Explain your answer.
- Q Like other divisions such as Eons, eras, and periods, epochs andages are separated by significant changes in rock layers, but alsoare more specifically distinguishing something else about thehistory of earth....
- Q Leeches and Earthworms are both categorized under the sameclass. How do their tegument differ?
- Q Discuss the concept of radial patterning and its application toepidermal and vascular development.
- Q All cells in the body have the same genes, but cells becomedifferentiated due to differences in gene expression.True or FalseTrueFalseWhat cellular events must occur to establish the body pattern inan...
- Q Describe the interactions of hormones and sucrose in theregulation of axillary bud growth in stems.
- Q Given your answer for how many protons are pumped by NADH andknowing that 1 ATP requires 4 H+, how many ATP equivalents ofenergy can be provided by NADH? Note that...
- Q how to use an antibody to probe or detect a protein.
- Q 16. Which of the following bestdescribes when a population has reached carrying capacity within anecosystem(A) Birth rate= death rate(b) Population growth accuracyexponentially(c) Organism are adjusting to newenvironmental conditions(d) Birth rate...
- Q Can someone explain the differences between thermophiles,mesophiles, halophiles, acidophiles, etc. and under whatenvironmental conditions they would survive successfully?
- Q Consider the oxidation of a single glucose molecule. How manycarbons from that glucose molecule remain to be oxidized followinga single turn of the TCA cycle?
- Q Questions1. Which of the following is true for the omega angle in theprotein backbone?a. it equals 180 degrees.b. the orientation of the bonds around the peptide bonds isCis.c. it may...
- Q Class Merostomata and Class Arachnida inhabit very differentenvironments, identify the main challenges faced by each organismin these different environments and identify three ways each hasadapted for its habitat.
- Q Phand buffer laboratory.What was the purpose of this lab ? Please provide a briefintroduction, indicates good comprenhension of the objective.
- Q Part 1: Primates vs. Non-PrimatesUse material you find online or find images and descriptions oftwo non-primate mammals (e.g., dogs, horses, dolphins, raccoons,etc.). (Note: copy and paste small images of the...
- Q an 18-year-old male high school student who had a 4-year historyof diabetes mellitus was brought ... Question: An 18-year-old malehigh school student who had a 4-year history of diabetes mellituswas...
- Q * Which of these areroutinely used to obtain a pure culture of bacteria?a. swan necked flasksb. agar streak plates c. dilution plates d. microscopes* The cells of allspecies of Bacteria...
- Q Discuss how bacteriophages cause mutations(in a long paragraph essay )
- Q *Which of the following statements is true?a. peptidoglycan is comprised of cross-linked fatty acidsb. the cell walls of most bacteria are composed ofpeptidoglycanc. Gram-negative bacteria have a relatively thick layer...
- Q State the molecular function of the proteins encoded by each ofthe following genes. Briefly state how disruption of this generesults in the recessive phenotype.R gene in peasY gene in peasCystic...
- Q You are a researcher working in a molecular laboratory. One day,you need to run a batch of PCRs. You assembled the reagentsincluding Taq polymerase, made the reaction mixtures, andran them...
- Q 1)Compare and contrast synaptic potentials and actionpotentials. How each of these encode stimulus strength.2)Describe in detail how one messenger can trigger the releaseof another second messenger.3)On a molecular level, what...
- Q I have a research about the \"Nano-wafers\", and i need to writean outline and some points that i can address in my paper
- Q How is eukaryotic cell division different from prokaryotic? ( Iknow prokaryotic is simpler, but i need a little moreexplanation)
- Q Describe the process of electron transport provided byNADH and FADH2 through the electron transport chain
- Q Propose an experiment for localizing a protein (of your choice)to an alternative cellular compartment. Then, speculate whatcharacteristics/symptoms this would create on a cellular,tissue/organ, and organismal level.
- Q Howdoes Larmark’s proposed method of evolution differ fromDarwin’s?
- Q In a model by Wright (1940), the genetic differentiation amonglocal populations was enhanced by metapopulation structure. Incontrast, work by Slatkin (1987) suggested that metapopulationstructure can reduce genetic differentiation among populations.How...
- Q 1. Humans are vulnerable to choking because of a phylogeneticconstraint: when the structures that would eventually evolve intolungs first evolved, evolution lacked the foresight to head off afuture choking risk...
- Q Compare the metabolic potential (ability to burn organicmolecules rapidly) of an oyster with an open circulatory system, afly with an open circulatory system + a tracheal system, and aracer (a...
- Q Include in the appropriate figure,describe the etiology of insulin-dependent diabetes mellitus (DmType I) autoimmune disease.Next, describe the infection with the etiology of Dm type Idisease.
- Q How fatty acids move in two dimensial fluid of cell?What allow and what limit their movement?
- Q compare and contrast PIP2, PIP3 and IP3 and show/explain how toget each one in details
- Q Influence of environmental factors on growth of microbes: osmoticpressure, pH, temperature, oxygen, pressure, radiation—what are thekey evolutionary adaptations that microbes have made to thrive inthese extreme environments (give specific, complete...
- Q 2. In humans, fingerprint ridge count follows a polygenicinheritance pattern. The minimum number of ridges is 80 in malesand 70 in females. Each active allele will produce an additional 12ridges...
- Q Identify, define and describe the phenomenon responsible forpolarity.Please show all work and explain yourresponses.
- Q 1.One of the concerns about geneticmodification of agricultural plants is the possibility ofcross-breeding between herbicide-resistant GMOs and weeds, creating“superweeds†that would be resistant to commonly used herbicides.EXPLAIN how PCR could...
- Q In the US, consanguineous relationships bear a significantstigma. This is because the children of consanguineous matingstypically have a higher than normal level of autosomal recessivediseases, including some very rare disorders....
- Q Compare and contrast myoglobin and hemoglobin, indicating atleast four similarities and four differences.Please show all work and explain yourresponses.
- Q Define protein denaturation and list at least four specificmechanisms that can cause it.Please show all work and explain yourresponses.
- Q 7. In a mutant eukaryotic cell, the proteins involved in theaddition of the 5’ cap of mRNA have been inactivated. Explain ifthis would affect the following and why it does...
- Q The forwardmutation rate from allele ZA to allele ZB is0.00001 and the reverse mutation rate is 0.0000001.Which of thefollowing may be true for a population in which the frequency ofallele...
- Q In a detailed paragraph, starting with normal and cancer intactcells as well as the preparation of the DNA microarray chip,explain in detail how the typical DNA microarray experiment will beperformed...
- Q What are four techniques of environmental surveillance developed bymicrobiologists to assess both the types and numbers of specificmicrobes present in specific environments?
- Q What factors might account for the diversity of microbes in aspecific environment? (four environmental surveillance techniquesdeveloped by microbiologists)
- Q Research in cell biology and metabolism has progressed due tothe discovery of molecules that artificially stimulate or inhibitglucagon/epinephrine and insulin signaling pathways. Let’s say youare working in a lab cataloging...
- Q Treatment Centers/Medical Research for Asthma (5pts)Who/What/Where of areas/places that are doing researchfor this particular disease. What are some of the medical researchfacilities currently doing research on this disease AND/OR what...
- Q In Data and Graphing 7, you saw how population growth can belimited by both predation and carrying capacity. Imagine that aninvasive species of snail arrives on an island. On this...
- Q What are th phases of glycolysis? Please describe the steps of eachphase .
- Q Are voltage gated sodium channels, and voltage gated potassiumchannels considered secondary active transporters? If not then whatare they called, and could you please explain what a secondaryactive transporter is and...
- Q Kinesthetic receptors are located in the muscles, ------,joints, and the vestibular systembonesbraintendon/skinplacenta
- Q Describe the characteristics of inorganic and organic catalysts(enzymes), as well as the characteristics that apply only toenzymes.Explain how and why temperature and pH affect enzymeactivityExplain how enzyme concentration, substrate concentration,...
- Q Mrs. Jones has a serious case of conjunctivitis and the doctororders chloramphenicol and penicllin. Why would the administrationof both of these antibiotics be contraindicated? Explain in detailwhy.
- Q What is a carbohydrate? Be sure to distinguish from othermacromolecules (proteins, etc) Give two specificexamples of how carbohydrates function within the human body.
- Q 1.What type of bond holds amino acids together in a polypeptidechain?A. Peptide Bond B. Phosphodiester Bond C. Hydrogen Bond  2.Termination of translation takes place when the ribosomereaches:A. A primer B. The...
- Q What is the mechanism that prevents the FtsZ ring fromassembling over the bacterial chromosome during binary fission?What proteins prevent FtsZ from polymerizing at the poles of thecell?
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