Biology question and answers for August 14, 2023
- Q what do you think distinguishes our present understanding ofepigenetics from Larmarck's, now debunked, theory referred to asthe Inheritance of Acquired Characteristics Theory? How, incontrast, might our understandings of the epigenome...
- Q COLLAPSEYou receive an specimen in the lab from a patient with aninfected throat. Chronicle the steps you would take to identify thebacteria present, starting with what stains, culture media,selective and...
- Q You are assigned the task of determining the bacterial densityof newly-grown culture. You decide that you will analyze the samplewith two methods, spectrophotometry and dilution plating. Yourresults show the sample...
- Q Which of the following types of inheritance involve epigeneticmodifications?Choose All That Apply (pts deducted for including incorrectanswers)maternal effectdosage compensationgenomic imprintingextranuclear inheritance
- Q In the lecture on eugenics, we came across the ideas of bothpositive and negative eugenics. Do you think positive eugenics canachieve the stated goal of improving the quality of our...
- Q How do prokaryotic cells exhibit cellular differentiation?Describe one manner of differentiation and the purpose of suchdifferentiation.
- Q vegetative bacterial cells will be killed at _______Centigradein ______ minutes
- Q Does freezing influence the stability of mayonnaise? Why?
- Q What is science, and how do we use it to solve real-worldproblems? What is science, and what is biology in particular?
- Q On the sequence below: 1. Indicate the direction oftranscription 2. Indicate which is the coding strand and which oneis the template for the transcription 3. Write down the mRNA 4.Write...
- Q Assume chromosome 1 has the following structure: A B centromereC D E F G What could be the result of a pericentric inversion?Where should the chromosome break to obtain this...
- Q ANSWER ALL QUESTIONS DON'T ANSWER IF YOU CANT ANSWER ALLI NEED THEM WELL EXPLAINED THANKSDefine perimenopause, surgical menopause, stress menopause, andpostmenopause. What are the signs of menopause? What other lifechanges...
- Q which of the following statements is/are true concerning noncompetitive (allosteric) inhibitiona. binding of the inhibitor to the regulatory (allosteric)site reduces the activity of the enzymeb. binding if the substrate to...
- Q Give reasons for the followinga. Cytosine and guanine form three hydrogen bondsb. Addition of acid to a DNA solution causes a change in itsabsorbance.c. Adenosine is more soluble than adenine...
- Q PCR Practice:Create forward and reverse primers that amplify the majority ofthe sequence below. Draw circles around the section of the sequenceyour primers are taken from. Highlight the region of the...
- Q Discuss the actions taken by prokaryotes when energy substrateconditions and availability concentrations are: 1. glucose presentlactose absent, 2. Glucose absent and lactose present, 3. Glucosehigh and lactose low. Be sure...
- Q what prevents electrons from flowing in reverse during electrontransport after being dropped off by the electron carriers
- Q Photosynthesis and Chemosynthesis are unique, but also similar.Discuss each of their unique properties and similarities. Arecyanobacteria more plant or animal? Discuss. What makes theseorganisms special?
- Q Briefly explain how a medical diagnostic test kit basedon gold nanoparticles works. Pitch your answer at the level of ascientifically-literate audience that are not physicists. (Adiagram could be useful)
- Q Identify any unique characteristics of theTrophosphere:Select one or more:a. clouds, rain, winds and storms all occur in this sphereb. comprised of mostly water vaporc. is the weather and climate zoned....
- Q What is the effect on aviation fuels production?What is the effect on aviation fuels consumption?Please answer into details and include diagrams ifnecessary. Include references if you have used any.no extra...
- Q 6. View the first seven minutes of the following video: “Part 1:Genes that Control Aging†by Dr. Cynthia Kenyon(iBioSeminars). If you would like to learn more about Dr.Kenyon’s research, please...
- Q Q1.Explain why the process of translation has been appropriatelynamed.Q2. In What ways is the structure of mRNA similar to the DNA?Howdoes mRNA differ from DNA?
- Q Ch. 3: Molecular diversityRelate the structure of each macromolecule with itsfunctionContrast the structure of DNA and RNADescribe the levels of protein structure and how each level isdeterminedExplain the link between...
- Q Chapter 7: How Cells Harvest EnergyInterpret the role of electrons, electron carriers, and ATP inenergy metabolismExplain the purpose of oxygen in respirationDescribe where in the cell and where in mitochondria...
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