Biology question and answers for September 12, 2023
- Q describe microcephaly clinically and what are other infectionsfrom it? 100 or more words please.
- Q how would you make anthocyanin pH paper with a greater amount ofpigment than just plain soaking and drying? how could you make itdark?
- Q It is always good to have an assay where something happens. Forexample red pH paper that just remains red in acid isunsatisfactory. How can you make Ph paper which is...
- Q Most antimicrobials that arrest protein function arenon-selective as to the microbes they affect. Why are theynon-selective to the ones they affect? can you give a detailedexplanation?
- Q In a populaiton of Southwestern Jackalopes, you obseve thefollowing numbers of genotypes for the A locus:AA = 10Aa = 15aa = 5Given these amounts, what are the genotype and allelefrequencies...
- Q The comammox bacteria play a role in nitrification and thereforein the nitrogen cycle. Other microbes, with distinct ecologicalniches, also participate in the nitrogen cycle. The metabolicreactions involving nitrogen that bacteria...
- Q ) In complex disorders, genetic susceptibility can besupported by:a) twin studies and adoption studiesb) genome wide association studiesc) linkage analysisd) whole exome or whole genome sequence studiese) all of the...
- Q please explore the rate of formation of ATP and number ofmitochondria varies in different cell types.
- Q Young children tend to be “picky eaters.†This may lead to animbalanced diet, poor intake of vitamins and minerals, and anincreased risk of nutrient deficiencies. In this discussion youwill gather...
- Q Why do you need to stimulate the nerve for longer at a lowerstimulus intensity?
- Q Compare and contrast the upper and lower respiratory system. Listthe components of each.Note: Please write or type all answers in a way that isunderstandable and legible. hank you for taking...
- Q You are given 5mL of 3mg/mL protein solution. You are asked toprepare samples for SDS-PAGE containing 250ng, 500ng, 750ng, and1000ng. Your pipettes are calibrated to 2uL at the lower limit.Your...
- Q A 50 year old male is seen in his physician’s office for aroutine checkup. His spleen shows enlargement and his blood workshows hemolytic anemia with bilirubinemia. His wife states thepatient...
- Q 1. Exposure/dose:a. Define and discuss the significance and differences betweenexposure-response evaluation and dose-response assessment.b. Give an example of how each would be used.2. Define the following terms and describe how...
- Q Regression Trees​Explain how classification trees works.Given a classification tree, state the classification rule for aparticular leaf.List the two measures of impurities that were covered inclass.Why do we prune trees?What are...
- Q Complete the genetic information (DNA base pairs, t-RNA and mRNAnucleotide bases, and the amino acids this gene codes for, in thefollowingDNA strand1 : Â Â Â ATGÂ Â Â Â _____Â Â Â _____Â Â _____Â Â Â _____Â Â Â Â _____Â Â Â CGCDNA strand 2...
- Q After the discovery of DNA polymerase by Arthur Kornberg, theproperties of the enzyme became quite well known. One of the mostcritical is that all known DNA polymerases synthesize DNA only:...
- Q You isolate nuclei from three different eukaryotic species. Youtreat the samples in exactly the same way (adding same amount ofenzyme, buffer and time) to partially digest the chromatin withmicrococcal nuclease,...
- Q Plasma membrane receptors must somehow let the inside of thecell “know†that a ligand/signal is present on the outside of thecell. In most cases, the ligand does NOT enter the...
- Q Outline the roles played by restriction enzymes and vectors incloning DNA.Words to choose from: bacterial, eukaryotic,nucleotide, DNA, RNA, protein, palindrome,nuclease, protease, phage, plasmid.1. A restriction enzyme is a _________ Â Â Â Â ____________that...
- Q You are studying a plant whose seed shape (round, disc orelongated) and seed color (yellow, green grey) are determined bytwo different gene loci. The R/r locus controls seed shape and...
- Q One way to identify use of methamphetamine in a population is tomonitor the waste water. Methamphetamine is excreted from the bodyup to 23% unchanged and can cause unintended environmentalexposures. It...
- Q 5. Urokinase and chymotrypsin ( a digestive enzymes) have onedomain in common with each other. This suggests thata. they eveolve through exon shufflingb. they are part of a gene familyc....
- Q What is the difference between group and individual selection?Do you think natural selection operates at the level of a group?Why? Why do some scientists think that is problematic?What is kin...
- Q Discussion Response255unread replies.55replies.How do you think gender roleshave changed over the years? What are some challenges with thechange in gender roles? What is one experience you have reflectingthis?
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