Biology question and answers for September 13, 2023
- Q Consider the table below giving the numbers of juveniles andadults for one generation.Calculate fitnesses (viabilities), relative fitnesses, theselection coefficient, and the heterozygouseffect. What type of selection is this? What will...
- Q describe the role of stargazin and its involvement in AMPA andNMDA receptors trafficing in dendrites
- Q briefly compare and contrast two Cretaceous vertebrates (mammals ordinosaurs) with a mammal that arises during the Paleogene. Considerin your discussion how mammals broadly filled the ecological nichesleft open by the...
- Q How does comparative anatomy support evolution?
- Q Whats the effect of the reeler mutation oncell-cell interaction
- 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 You are studying a density-dependent elephant population thathas the following relationships for the birth rate (b) and thedeath rate (d), as functions of N.b=0.10+0.03N-0.0005N^2d=0.20+0.01NPlot these functions on the same graph...
- Q what does it mean to be alive? all life has some commoncharacteristics such as:
- Q DNA sequence may be used to identify different species. Assumingthat you can use PCR to generate products for sequencing, describein detail an experiment that will allow you to determine whichstrain...
- Q A pH gradient exists between the internal and external surfacesof the inner mitochondrial membrane of 1.4 pH units, where theexternal side is more acidic.a. If the membrane potential is 0.6...
- Q 10.) In complex eukaryotes, what relationships exist betweenthese DNA elements?a. Centromeres, tandemly repeated DNA and constitutiveheterochromatinb.Interphase chromosomes, mitotic chromosomes, nucleosomes,histones.c. Supercoiling and chromatin11.) Which of the following statements is true?a....
- Q list some characteristics of life you observed by the waterbear: list some observations about the water bear and why itsapparently so successful in a variety of environments
- Q 6.) In the 1952 Hershey-Chase experiment showed that DNA is thegenetic material of bacteriophage. Explain where the proteinlabeled with 35S ended up and where the DNA labeled with 32P endedup...
- Q The father of Mr. Spock, first officer of the starshipEnterprise, came from the planet Vulcan. Mr. Spock’s mother camefrom Earth. Pure-bred Vulcans like Mr. Spock’s father have pointedears (P), no...
- Q What are the main types of glial cells, and what is the mainfunction of each? Glia outnumber neurons in the brain, yet neuronstend to be the focus of studies. Why?
- Q Marine Biology Question- what are \"Nonconsumptive predatoreffects (or, more generally, non-consumptive effect, NCE)\"?
- Q Marine Biology Question- What is an \"anthropogenicstressor\"?
- Q ·      In one experimentLederberg used Gal+ and Gal– strains ofE. coli. One half of a plate that contained medium withgalactose as the only carbon source was inoculated with phages thatcame...
- Q 3.) Describe, to the best of your ability the bond chemistrybehind the following attributes of DNA:a. the double-strandednessb. the antiparallel nature of the two strands.c. the twist of the ladder...
- Q A spontaneous mutation occurs in one of the copies of MT-TK, agene found in mitochondrial DNA. MT-TK generates a tRNA required tomake proteins formitochondrial function.a. How can this mutation become...
- Q Concisely, describe the particular features of Creighton’s andMcClintock’s experiment that allowed them to prove Morgan’shypothesis that coupling and repulsion results from the physicalexchange of DNA between homologous chromosomes?
- Q The countercurrent arrangement of the two limbs of the loop ofHenle becomes a multiplier of electrolyte concentration due towhich other characteristic?A. water permeability of the descending limbB. water impermeability of...
- Q Does current flow from positive to negative, or negative topositive? Which way does current flow across the membrane duringthe rising phase of the action potential? During the fallingphase?
- Q 84. ________ was the first to describe microorganisms, while________ was the first person to see bacteria.a. Antoni van Leeuwenhoek / Robert Hookb. Antoni van Leeuwenhoek / Robert Kochc. Robert Hooke...
- Q Question Aerosols include all the following EXCEPT: a. smoke b.mists c. dusts d. vapor
- Q Suppose we know p and q for a given 2-allelepopulation. Which term in the Hardy-Weinberg Equilibrium providesthe frequency of heterozygotes in that population?
- Q Do chromosomes form before or after the cell enters mitosis?How is the chromosome structured?Sister chromatids form when the chromosome ____Sister chromatids contain what when compared to each other?The lifetime of...
- Q Which phase do the chromosomes duplicate?Which phase does the cell spend most of its lifetime andapproximately how long?What is the mitotic spindle?What is a centriole and what is its function?Centrioles...
- Q 1. Explain how lipids are digested and absorbed.2. Differentiate among saturated, monounsaturated, andpolyunsaturated fatty acids in terms of structure and foodsources.3. List four classes of lipids and the role of...
- Q How can a protein act as a signal integrating sensor?
- Q I'd like to find out your thoughts about protein structure asit relates to membranes. Specifically, what functions dotransmembrane proteins serve? Are there any molecules that couldalso perform these proteins' functions?...
- Q Consider an LB broth flask into which two E. coli strains areinoculated. Strain \"A\" is wild-type, with g = 22 min at 37oC, and45 min at 27oC. Strain \"B\" has...
- Q Digest the following proteins with the proteases listed andcomment whether the original sequence can be inferred based on theproteolytic patterns a. MARRIEDEARLYANDPAIDDEARLY: Separately withtrypsin and chymotrypsin b. WINETHISAD: Separately with...
- Q The restriction enzymeneal?
- Q Please explainAnaphase, Metaphase, Prophase, Telephase and Interphase and whatare their orders. Thank you.
- Q What are two species of spore-forming bacteria that causedisease and what role do the spores play in causing thedisease?
- Q Metaphors have been used in science as far back as Darwin. Picka famous female scientist that used metaphors in her work andanswer the following:Introduce your female scientist. In what scientific...
- Q Why is the liver unable to utilize acetyl-CoA forgluconeogenesis? Why is this not a limitation for plants? Whichenzymes are we missing for this pathway?
- Q The following is a gene sequences in human that related toovarian cancer. Design a pair of primers for PCR amplification ofthis gene using Primer 3. Print the primer 3 output,...
- Q The Hardy-Weinberg equation was designed to show the conditionsthat must be met in order for no change to be seen in apopulation.Describe the 5 criteria that need to be in...
- Q In terms of the hierarchy of information place these into orderfor use in deriving an acceptable daily intake for a foodcontaminant? Explain your reasoning.a) Scientific paper from an academic research...
- Q 1. In mice, one of the gene determining coat color is the Agene, which has multple alleles. two of these are an Allele forblack hair (a) and allele for yellow...
- Q 4. One of the many immune system functions is to protectindividuals from pathogens such as the influenza virus. Explain howinnate immunity (non-specific defense) and adaptive immunity eachrespond differently to exposure...
- Q Know how Gibb’s free energy and entropy provide energy tocells.
- Q Read: \"Female matechoice sopying affects sexual selection in wild populations of theocellated wrasse\"Link:https://www.sciencedirect.com/science/article/pii/S0003347208000225Answer 1-2 sentencesin each question.1. Title (Conveysan important message and grabs the reader's attention)2. Take homemessage (Conveys the...
- Q Plant physiology question:What features do the structural polysaccharides andenergy-storage polysaccharides of plants have in common? How arethey different?
- Q Discuss the history and modern use of one domesticated crop notcommonly used in Western agricultural tradition! Do notinclude an achene, a nut, Caryopsis, Samara, Schizocarp,celery, carrots, corn, or onion.
- Q Please show work, thank you!To prepare DNA template with the concentration of 10 ng/μl:Zach should add ____ μl of the original soil DNA (conc.: 250ng/μl) and ______ μl of water...
- Q In a botany standpoint please answer this:Parenchyma is one of the most common tissue types. Describe commonhuman use(s) for parenchyma. Which properties of parenchyma make itsuitable for human use?
- Q Are phospholipids still in the cell membrane?What keeps cells moving in cold weather?How does cholesterol control the movement of the cell membranein cold and warmth?What kind of proteins are in...
- Q I got a 3/5 on a quiz about the membrane or membranes andtransport, but they never told me which one's i had wrong and why?Help me out please? these were...
- Q What is a negative effect of widespread use of antimicrobialsoaps? What are the most effective ways of eliminating harmfulcontaminating agents, especially when dealing with contaminantssuch as HIV, anthrax, and prions?
- Q MULTIPLE CHOICE: provide an explanation too please Lipids thatare liquid at room temperature likely: (a) have only singlecovalent bonds between the carbon atoms (b) have a mix of singleand double...
- Q ´does the presence of coliform bacteria mean that the water isunsafe, or at least a definite pathological risk?
- Q Why do bacteria regulate virulence gene expression?At the end of the TCA cycle most of the energy ordinally presentin glucose is now found in?
- Q You will need the information in this file to complete the twolab sequenceThis is the file that contains the report page for Lab 13-Taste,part 1There are two things for you...
- Q ( please do not answer by handwriting, the answershould be in print type)Explain and Discuss one process or system in the ministry ofpublic works, where the industrial ecology mimics biologicalecology.
- Q From Asconoid sponge: Leucosolenia, Syconoid sponge:Scypha, Leuconoid sponge, Gemmules (class Demospongiae),bath sponge, kitchen sponge, \"boring\" sponge Cliona (classDemospongiae), hexactinellid or \"glass sponge\" (cl Hexactinelid),EuplectellaConsider the differences between sponges of organization...
- Q What are the effects of the following on the rates of glycogensynthesis and glycogen degradation:(I put my thoughts and answers behind each one could you tell meif I'm correct and...
- Q Enzymes are used as meat tenderizers,Discuss the risks,especially to living systems and to the environment. Discuss theimpact of the process on society. The end of your paper shouldinclude your opinion...
- Q Explain why some drugs that inhibit prokaryotic proteinsynthesis have a low therapeutic index.
- Q Provide some examples of Dihybrid crosses that DO NOT show theclassic Mendelian ratio of independent assortment.
- Q PLEASE ANSWER ALL PARTS FULLY!How was liquid hybridization used to compare speciesrelatedness? What is the purpose/significance of Driver versusTracer DNA? What is Subtractive Hybridization, how/why would youuse this technique?Compare Maxam-Gilbert...
- Q Diagram and describe how uncoupling proteins work, includingtheir effects on cellular respiration. Explain how these proteinsmight play a role in thermogenesis and the control of reactiveoxygen species such as superoxide....
- Q 2. Cross a homozygous tall yellow seeded plant with a homozygousshort green seeded plant. This is called the P1 cross, and it willproduce offspring called the F1 generation. Tallness is...
- Q Diagram and describe photorespiration. Why does it occur?Diagram and describe the C4 and CAM pathways and explain how theyreduce photorespiration. Why don’t all plants use thesepathways?(no bullet points, essay format)
- Q In Drosophila, the recessive dp allele of the dumpy geneproduces short, curved wings, while the recessive allele bw of thebrown gene causes brown eyes. In a testcross using femalesheterozygous for...
- Q How does high throughput sequencing differ from traditionalsequencing methods? What makes high throughput sequencing fasterand cheaper?
- Q 2. Cross a homozygous tall yellow seeded plant with a homozygousshort green seeded plant. This is called the P1 cross, and it willproduce offspring called the F1 generation. Tallness is...
- Q Diagram and describe how eukaryotic photosynthesis works.Include a labeled diagram of the appropriate cell structures, andshow where each step occurs. (The level of detail for this questionshould be equivalent to...
- Q In your own words, explain the connection between monophyly,synapomorphy, and homology. In your discussion, use limbs as asynapomorphy to tetrapods.
- Q Make a Dichotomous Key using the folowing bacteria to ultimatelyisolate the following organims using PEA, gram stain, catalasetest, oxidase test, MSA, etc.:Proteus                         Acinetobacter                     Staphylococcus                   MicrococcusLactobacillus                Salmonella                          Escherichia                          NeisseriaBacillus                         Shingella                            Klebsiella                            CitrobacterSerratia                         Enterobacter                       Pseudomonas                      Streptococcus
- Q Diagram and describe how eukaryotic cellular respiration works.Include a labeled diagram of the appropriate cell structures. Showwhere each of the main stages of respiration occurs. (Hints: Thebook shows several diagrams...
- Q Please write you thoughts on what you have learnedthat has impacted you the most in your journey through the mastersin Health care informatics program. please write a 2 pagesthought
- Q #1. You have two pure-bred dog strains of Labrador retriever:Yellow (BBee) and Brown (bbEE). You friend wants to have apure-bred puppy with black coat color. Let’s assume this set ofcoat...
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