Biology question and answers for October 01, 2023
- Q Describe how components of the cytoskeleton, cytoplasm,cell surface and extracellular matrix interact to form celljunctions and the roles of distinct junction types inskin
- Q 1)Define pharmacy, pharmacist; and list the duties andresponsibilities of the pharmacist.2. Explain the role and use of resources (pharmacopoeia etc.)and computer applications that are found in pharmacies.3. Describe the types...
- Q Diagram and explain transcription
- Q describe the parts of an amino acid.
- Q What are the 7 steps of Intramembranous ossification?
- Q Construct a food web and label the trophic levels given thefollowing organisms found in a standard tank:-Snails-Copepod-Water Mite-Colonial Green Algae-Rotifer-Euglena-Gloeotila
- Q What is the relationship between Microvilli of gut, epithelium,glucose, circulatory system, capillary fenestrations,glucose/ATP/life. Major emphasis on RELATIONSHIP
- Q As we ride the glucose molecule into the small intestine we seea curious rod shaped organism. Upon further inspection we noticethat it has an outer membrane with lipopolysaccharide. We barelyhave...
- Q why you think a solid understanding of Biology is important forour everyday lives.
- Q Whats the difference between Random shotgun sequencing and targetsequencing of marker genes such as 16 rRNA. Be concise.
- Q Even though Gram stain is not very specific, studies have foundthat it is as accurate as DNA-based methods for identifying thecausative pathogen of most urinary tract infections. Why do youthink...
- Q How is race/ethnicity defined genetically and phenotypically?Is it even possible to define race/ethnicity by genetics?How does it help or hinder health care when sickle cell isconsidered a disease of individuals...
- Q During starvation, the body adapts to ensure that cells haveaccess to a variety of fuel sources. Select all of the biochemicalpathways that are active during periods of prolongedstarvation.Choose All That...
- Q Many ecologists view continual growth as impossible in the longrun due to limits imposed by nonrenewable resources and thecapacity of the biosphere to absorb wastes. Others argue thatthrough the use...
- Q What is LTP?What are some of the presynaptic changes observed?What are some of the postsynaptic changes observed?How do the AMPA and NMDA glutamate receptors contribute toLTP?
- Q whywould an antibiotic effect a bacterium and not a fungus , etc? orgram - and not a gram + or an acid fast bacteria?
- Q Describe the mechanism of action of the drug ZAVESCABriefly describe the normal cell biology, the pathogenic stateand how the drug alters the pathogenic state.Come up with an experimental plan by...
- Q ) Prior to 1900, the natural range of the moose,Alces alces, included all Canadian provinces except theisland of Newfoundland. In 1904, two male and two female moose weretransported from New...
- Q Susan and Joe were worried. Their little boy, Daniel, had beenhaving an awful lot of bacterial infections and he was barely ayear old. It seemed that the antibiotics cleared up...
- Q In a paragraph, relate the followingterms:  Metabolism, anabolism, catabolism, hydrolysis,condensation, endergonic, exergonic.  Relate means group those terms together that belong together.For example, anabolism means to build up larger molecules. Whatprocess do we...
- Q I KNOW THOSE ANSWERS BUT I NEED HOW TO SOLVEQ1 ANSWER E(1487)Q BQ 1What is the equilibrium constant for the reaction shownbelow?glutathione + NADPH + H+ ↔ reduced glutathione +...
- Q How would a monoclonal antibody to a viral protein beprepared?
- Q Question:DNA polymerase III is the main DNA-synthesizing enzyme inbacteria. Describe how it carries out its role of elongating astrand of DNA.Answer:DNA pol III determines which free nucleotide triphosphate iscomplementary to...
- Q Describe, in detail, how to make 1 liter of LB + Kan (100 μg/mlfinal concentration) + Amp (50 μg /ml final concentration) liquidmedia. [Include things like how many grams of...
- Q which type of wood do you think transport more water per unit area,pine or oak? why?
- Q Compare and contrast the different mechanisms for regulatingdifferential gene expression.Predict different mechanisms that could be responsible forcontrol of gene expression in development.Explain extrinsic stem cell regulatory mechanisms and the roleof...
- Q Clinical Cancer Case Study 1Nancy is a53-year-oldfemale. Nancy spends every day at her local YMCA teaching a Zumbaclass and is very active in her community. For the last month, shehas...
- Q Please answer those questions1.  Name three forces or processes that constraintrait values.2. If a trait does not impart function, it may be lost or becomevestigial through time. Why?3.. Stress tolerance...
- Q What are some of the ways the immune system preventstumors from developing?
- Q Pick all the product(s) of photosynthesis which are used incellular respiration:ATPcarbon dioxide (CO2)Waterglucoseoxygen gas (O2)
- Q Briefly describe the composition of telomerase.
- Q What are some possible mutations in a gene that have fullyprocessed mRNA which is transported out of the nucleus but noprotein is made during this process.
- Q A 25 year old woman who was being treated for breast cancer wentto her doctor complaining of a sore mouth and difficultyswallowing. The doctor examines her mouth and found white...
- Q Tyrosine hydroxylase (TH) is an enzyme that converts tyrosine toL-Dopa. In your lab, you genetically engineer a mouse that can'tmake TH. What neurotransmitter system(s) would be affected?a. serotonin b. dopamine...
- Q 1. explain the structural principles behind the gram stain.2. what can you learn by conducting a gram stain ?
- Q Diagram a mechanism of action for the sodium potassiumATPase.
- Q In worms, the genes for the production of the enzyme Aldolaseand the enzyme Hyclase are on the same chromosome. A = dominant,can produce Aldolase; a = recessive, cannot produce Aldolase....
- Q Observe the two sets of plates. Determine the CFU/mL of eachsolution (Normal and Heated), remembering to use a plate that has30 – 300 colonies for statistical reliability. Is there adifference...
- Q 3. Predict the possible appearance of the children of Bob andSue Everyperson, a young couple who now live inCentralia. We are tracking two genes: hair line and earlobes.These genes are...
- Q First, consider the cellular basis of long-term potentiation(LTP). Where in the brain does this occur and what happens? In youranswer, include details of the neurotransmitters and receptorsinvolved as well as...
- Q Twophases of photosynthesis are
- Q It is 7:00am and your alarm is ringing. You reach over to turnit off.Describe what just happened in your nervous system.Include the following terms in your answer: frontal lobe, actionpotential,...
- Q research the big food food system and golbal health?bidfood
- Q How many possible allele combinations in the gametes are therefor an individual with 6 independently assorted genes each with twodifferent alleles? (Undergraduate Genetics Course)**Please include ALL steps and ALL calculations,...
- Q What is the basic reaction by which biological monomers formpolymers?A. hydrolysisB. dehydrationC. mechanical displacementIf the environment surrounding a cell has a lower concentrationof dissolved substances than the cell, theA. environment...
- Q Write the process of linear, non-cyclic electron flow in aparagraph.(I think it is for photosynthesis, but I am not sure)
- Q why does phenotypic plasticity in roots and shoots expected tobe more important in environments where conditions are variableversus stable, and in long-lived versus short-livedspecies?
- Q 4. Imagine a gene promoter is located in “closed†chromatin –meaning the gene can’t be expressed – and you wish to turn on geneexpression. Describe 3 changes you can make...
- Q Why is the uninoculated control sector relatively unnecessary ina DNase test?
- Q which of the following would indicate the beginning ofcytokinesisin plant cells
- Q Nondisjunction of chromosome#21 in which of the following (1-7) could result in a fetus/childwith trisomy 21 (47,XX+21) or (47,XY+21)? To indicate your choices,type an “R†at the end of each...
- Q Penicillin-resistant strains of Neisseria gonorrhoeaeproduce a plasmid-coded β-lactamase, which degradespenicillin.What are the structural and metabolic changes that theymay render this organism resistant to other antimicrobial drugs.(10)2.2 Discuss the difficulties faced...
- Q Which of the following is an example of codominance?flowers of a certain plant can come in purple, blue, oryellowa Scorpio’s venom is more potent when it’s youngerin roan cattle, you...
- Q 1) Draw the energy investment phase of glycolysis including allcompounds, enzymes, products used and produced.2)Draw the energy payoff phase of glycolysis including allcompounds, enzymes, products used and produced.3)List what enzymes...
- Q PROTOZOAN GENUS NAMES TO MATCH TO THE CASESTUDY:      Giardia                                                                                     Toxoplasma                                                   TrichomonasTrypanosoma                                                                    PlasmodiumCase 4:An 11-year-old boy in Thailand was admitted to the hospital dueto a sustained fever for 10 days prior to admission. He presentedwith...
- Q How do protein pumps move ions and small molecules across a cellmembrane?
- Q State two problems faced by viruses with RNA genomes, andexplain how these viruses address these challenges.
- Q Liver fatty acid synthesis is stimulated by glucose. In which ofthe following ways does the reaction of glucose not stimulate thesynthesis of acyl-CoA in the liver?a. The reaction of glucose...
- Q I have to develop my own experimental procedure for my labcovering cell culture. We’re using HEK932T cells and I wanted totest the affect salt has on the cells. I know...
- Q 20. Which of the following statements is/are correct?A. Molluscs can live in marine, and freshwater habitats but donot live in terrestrial habitats.B. Given the following on the organism:I. An animalII....
- Q Explain how epinephrine regulates the breakdown of glycogen.can you have clear steps & explanations Â
- Q 1.Name the three phases of an action potential. Describe for each theunderlying molecular basis and the ion involved. Why is the termvoltage-gated channel applied to Na+ channels involved in thegeneration...
- Q Draw a diagram that shows how the element Calcium might cyclethrough the components of a terrestrial ecosystem, includingdifferent trophic levels. Label all arrows that show Calcium fluxesand depict the direction...
- Q 10. Glutamate is an example of an excitatory amino acidneurotransmitter that acts via direct synaptic transmission when itis released from presynaptic neurons in the brain.Which of the following is a...
- Q Provide ạn exạmple of eạch for control of glycogenmetạbolism:ạ. Hormone controlb. Ạllosteric controlc. Control by covạlent modificạtion
- Q A disaster such as a meltdown in a nuclear power plant requiresclose examination of potential impacts on organisms. Which of thefollowing would be useful to biologists in such a situation?Use...
- Q Imagine two species of snakes that live in a tropical rainforest of Malaysia do not typically interbreed. In nature, onespecies is ground-dwelling and feeds mainly on insects and smallamphibians near...
- Q Please Use your keyboard (Don't usehandwriting)PHC 261I need new and unique answers, please. (Use your ownwords, don't copy and paste)( Please i need more than 500 wordsplease)Q. 1. Write essay...
- Q Antibiotics are routinely used to control bacterial infections.Would compounds targeting the peptidoglycan layer of bacteria beuseful as antibiotics? Explain the reason behind your answer?(HINT:Think about the concept of selective toxicity)
- Q A previous group of students wanted to investigate the factorsthat contribute to female fecundity (total number of eggs a femalelays).  They wondered if the female’s body weight mightplay a role.  The students...
- Q Describe two causes of BOTH the fast and the slow phase of EPOC(excess post-exercise oxygen consumption).
- Q It may be said that it each week it takes 8000 pounds of grassto feed a small herd of zebras (which together weighs 3000 pounds).These zebras will sustain a group...
- Q Oxygen plays an important role in distinguishing thelifestyles of prokaryotes. Name and describe the five modes ofgrowth bacteria can exhibit in response to oxygen (0.5 pts for eachcorrect lifestyle and...
- Q What is the differentiation of the brain?
- Q Usain Bolt, a world champion sprinter, can run a 10-meter splitin 0.82 seconds. Say you obtain a quadriceps muscle sample fromUsain Bolt and compare it to one from a 25-year-old...
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