Biology question and answers for August 22, 2023
- Q Someone with AB+ blood has red blood cells with the A, B and Rh_________ on the surface of their red blood cells.  Theydo not have any__________ circulating in their plasma. They...
- Q Describe how newly synthesized fatty acids are incorporated intotriacylglycerols.(please type the answer, no handwriting, andmaybe you can draw a diagram to help explain it!)
- Q 1-why scientists were incorrect in hypothesizing that whalesdescended from a carnivorous mammal ?2-Factors which limit the size of a population no matter howdense the population is are called ___________ limiting...
- Q Howare antibodies named?
- Q Choose TWO of the specimens at this station to examine,sketch/diagram and label/describe. Be sure to label importantfeatures of the skull, describe their dentition/diet, habitat, noteanyspecific adaptations to obtain food and/or...
- Q What are the ways in which arteriole resistance controls GlomerularFiltration Rate (GFR)?
- Q Dynamic equilibrium vs equilibrium.What is the difference between a reaction in dynamicequilibrium and one at equilibrium?What is the difference between an open and a closedsystem?Entropy Changes during Egg Development Consider...
- Q 1. How is RNA interference mediated within cells?2. Compare and contrast the origin, structure, function of miRNAand siRNA.3. What are the applications of siRNA in basic research? Inclinical research?Please answer...
- Q 1) What is the probability that two individualswill have five sons in a row?2. In humans, freckles are dominant over no freckles. A manwith freckles marries a woman with no...
- Q Jeffrey Mitton and his colleagues found three genotypes (R2R2,R2R3, and R3R3) at a locus encoding the enzyme peroxidase inponderosa pine trees growing at Glacier Lake, Colorado. Theobserved numbers of these...
- Q A few days after you have completed the streak plate method, youobserve not one single isolated colony on the TSA plate. Explainwhy this may have happened.How does dental plaque form?How...
- Q Given the idea that male expressed drive systems like sex-ratioX chromosomes, though favored by gametic selection, may have costswith respect to other fitness components. Alternatively, thefitness costs associated with female?expressed...
- Q Why might the genetic systems observed to exhibit polymorphismassociated with non?Mendelian segregation have unusual propertiescompared to the set of all drive systems that occur over longevolutionary time periods? In other...
- Q Question 2 a (800 words)i) When yeast metabolises glucose under anaerobic conditions, itproduces ethanol and CO2 as end products of glycolysis but underaerobic conditions, pyruvate is the end-product of the...
- Q 1. how is gram stain done?2. What types of bacteria are stained differently in the Gramstain?3. What is the key step in the Gram stain that distinguishesbetween two different cell...
- Q There are two major events in fetal development. Block toployspermy and the transition of the corpus luteum control to theplacenta. Explain how each of these events are important to childreproduction....
- Q 13.    Using theHeart Rate Reserve Method, calculate the target heart rate zone forthe Tom:Tom: Age 20; Resting Heart Rate 60;Desired Target Heart Rate Zone: 70% to 85% of Maximum HeartRateShow...
- Q 3.Imagine you are talking with your friend while drinking water. Allof a sudden, you start coughing uncontrollably because water hasjust gone down the “wrong pipe.†Explain why this happened. Whatstructure...
- Q 4. Describe the gametophyte(s) and sporophyte of each of thefollowing plants: moss (e.g. Polytrichum), liverwort (e.g.Marchantia), fern (e.g. Ceratopteris), gymnosperm (e.g. pine), andangiosperm (e.g. lily).
- Q The yellow mutation is an X-linked recessive mutationin Drosophila, causing yellow body color. A yellow-bodiedfemale is crossed to a male with wild type body color to produce F1progeny. The F1...
- Q Prepared slides of a hyacinth root tip specimen wasalso examined with a microscope. C The number of cells per zone andthe total number of mitotic figures per zone (that is,...
- Q 2. The evolutionary history of plants is studied through 1)comparative studies of living plants and 2) examination of thefossils of extinct plants. What information has the study offossils contributed to...
- Q The feature that defines and distinguishes ALL hominins from theapes is:the fact that we walk on two feet.Our lack of a tailOur larger brains than the earlier hominins (likeAustrolapithecus).Our 3-D...
- Q What does the folded domain structure of the actin momomer suggestabout the evolution of the actin gene? please need a goodexplaination
- Q Glycolysis (and its sister pathway gluconeogenesis) and thecitric acid cycle are often referred to as the Central metabolicPathways. Identify at least 3 other metabolic in aerobic organisms(animal and or plant)...
- Q Explain how water is filled in the kidney. Describe the differencesin filtration when the urine is dilute, versus when the urine isconcentrated. How does ADH impact this?
- Q A young woman in a suspected breast cancer family takes theBRCA1 and BRCA2 genetic tests. As a genetics counselor, you areasked to meet with her.Prior to receiving the results she...
- Q an outline on Aging and How it is Related to the CardiovascularSystem
- Q There are different kinds of isomers, describe them.Name FIVE functional groups and list a property of each one.Why is carbon so important to life on earth?
- Q Tom [cheek dimples] and Cindy [not] are having a child, and arecurious whether their child will have dimples in its cheeks.Dimples is thought to be an autosomal dominant trait.What is...
- Q Describe the structure and roles of enzymes in metabolicpathways. Include in your answer: a. the structure of proteins,enzyme function, and the roles of coenzymes, cofactors andallosteric regulators b. a description...
- Q As the cancer expert in the Biology Department at your school,NBC news contacts you to discuss the effects of bisphenol A (BPA)exposure on cancer risk. can cure leukemia can cureleukemiaThe...
- Q As the cancer expert in the Biology Department at your school,NBC news contacts you to discuss the effects of bisphenol A (BPA)exposure on cancer risk. The reporter is very interested...
- Q Describe the evidence for the fact that DNA is the geneticmaterial and the sequence of events leading from the sequence ofnucleotides of DNA to the sequence of amino acids in...
- Q what non-differentiial stains are and conoare and contradt firectstaining and negative staining. Be thirough and complete, butconcise. In other words, say something that needs to be said.nothing abkut the history...
- Q 6. What are the levels of the respiratory system, starting withthe trachea as the ‘first level.’ Make the last level the smallestunit of the lungs. What major process/function happens at...
- Q IntroductionThrough a series of activities we will examine some of theprinciples of genetics and techniques developed by geneticists topredict mating outcomes and understand how genetic information ispassed from generation to...
- Q Use proper spelling,grammar and sentence structure. A suggestion is given about thenumber of paragraphs needed but you may write more. You may usequotes but don’t overuse them as putting the...
- Q According to the Mayo Clinic, bipolar disorder \"causesmood swings that range from the lows of depression to the highs ofmania.\" There are two main types of bipolar disorders; Bipolar Iand...
- Q Â Specifically, how does one distinguish betweeneveryday sadness and clinical depression?Furthermore, what might be some of the risks ofprescribing antidepressant medications to patients who are notactually suffering from a mental disorder?Â
- Q In the electron-transport chain, electrons are handed off fromlow reduction potential carriers to increasingly higher reductionpotential carriers. At some steps this exchange of electrons issufficiently exergonic to drive proton pumping....
- Q How do you tell whether two genes are linked based on thephenotypic results of offspring from a dihybrid cross?If the genes are linked, certain combinations of phenotypes willnot be observed...
- Q One memorable encounter during an emergency transport, quicklyescalated into an emergency intubation inside the pediatric ICU. Iarrived on the scene of an unresponsive elderly patient in anursing facility who was...
- Q A)cAMP and CREB- how phosphorylation can regulate gene transcription?B) Purpose of second messengers and what molecules are used assecond messengers?C) Describe G proteins structure, how are they activated, howthey transduce...
- Q A reaction has a very negative change in free energy. Will thereaction proceed as written? Why/why not? If so what would stop thereaction from proceeding / if not what would...
- Q Which of the following molecules, when taken up by the cell,binds to the repressor allowing it to bind to the operator?-Inducer-Corepressor-Repressor-Promoter
- Q Choose examples from your own body (except, do notchoose skeletal muscle) and explain how they relate to thedefinitions of anatomy, physiology, and histology.
- Q Write short notes the following1. Central dogma2. Origins of mitochondria and chloroplasts
- Q 1.Describe structure and function of cellmembrane.2. Define enzymes and describe theirfunction
- Q Answer all three1. How do you distinguish between an animal that is notcephalized from one that is cephalized?2. The term for molting is ecdysis. What are the two animalphyla that...
- Q Explain the difference between the primary and secondary immuneresponses.
- Q 1)Explain the humoral immune responses against the upperrespiratory tract viruses with mechanisms and functions?2)Discuss the Humoral immune responses in COVID-19 (SARS-CoV-2)and potential vaccines?But I need answers to be long please:)
- Q A)Describe the differences between expressed sequences and notexpressed DNA sequences and how to study them. For example, cDNA vsgenomic libraries and RT PCR vs PCR-B) Restriction cutting DNA, running gels,...
- Q Review the claims of the Atkins diet from the Atkins website.Applying what was presented in chapter 2 part III, consider whatthe weaknesses of such a diet might be? Consider also...
- Q A)Be able to interpret a promoter analysis experiment?B) Know what alternative splicing is and how it could affect agene product?C) How silencers and enhancers work?D) Describe how steroid hormone receptors...
- Q Answer all three1. Identify two traits shared by members of the phylaEchinodermata and Chordata not seen in the other animal phyla youobserved.2. Hypothesize why the skeletons of vertebrates have the...
- Q Define an argument. Define an ethical argument. Why do weargue?What makes a problem an ethical issue?Define normative premise and describe how this is relevant toethical arguments.Describe the ethical theories discussed...
- Q Define watershed and the watershed approach to water qualitymanagement. What are the implications of water quality managementregulations based on watershed management?What are the primary laws/acts that regulate water quality inthe...
- Q 19. What is the cell cycle control system? How does it function?What can happen if this system malfunctions?
- Q 1. Since carbon dioxide is about 20 times more soluble thanoxygen in the blood plasma, the carbon dioxide is converted tocarbonic acid.....a. to lower the pH of the blood.b.to raise...
- Q Explain how super-antigens, such as toxic shock syndrome toxinproduced by Staphylococcus aureus, often lead to thedevelopment of life-threatening symptoms in an infectedindividual.
- Q What functional groups are associated with carbohydrates,lipids, proteins, and nucleic acidsWhat are the functions of carbohydrates?  Giveexamples of monosaccharides, disaccharides, andpolysaccharides.What are the characteristics of lipids?How are saturated fats different from...
- Q PLEASE TYPE YOUR ANSWERImagin you are a student who took microbiology in a semester.how you explain that What did you learn from your microbiologyexperiences in this semester that will continue...
- Q Describe how the unique reactions of GNG represent apathway distinct from glycolysis based on the free change of thereaction catalyzed by the glycolysis enzyme,phosphofructokinaseDescribe the functions of phosphoglucomutase andglucose 6-phosphatase...
- Q PLEASE TYPE YOUR ANSWERImagin you are a student who took microbiology in a semester.how you explain thatWhat did you learn from your microbiologyexperiences in this semester that willcontinue to influence...
- Q Describe the mechanism in bacteria for repair of DNAcontaining mismatches, chemically modified bases, and double strandbreaks.Please CITE. Thank you.
- Q 2. Here is the figure of the G protein couple receptor (GPCR)activation of K+ channels in the pacemaker cells of the heart(right).Under which of the following scenarios would the effect...
- Q 1.) Vibrio cholerae is a Gram-negative, curved-shaped bacterialpathogen which causes nausea, vomiting, diarrhea and muscle crampsafter consuming fecal contaminated water. Cholera killed thousandsof people during the 1800’s as people traveled...
- Q What are the two hypotheses supportinglow-carbohydrate-high-protein diets as an effective weight losingstrategy?
- Q A person takes a Ca-Mg-Zn pill daily. Zn can inhibit theabsorption of Mg. An intake of >142mg of Zn will prevent Mgabsorption. However, an intake of >500 mg of Ca...
- Q 9) The site of the bacterial cell where ATP is produced isthe:a)Â Â plasma membraneb)Â Â cell wallc)Â Â flagellad)Â Â nuclear regione)Â Â cytoplasm44) Which of the following is regulated by an operator:a) DNA...
- Q This would NOT be found in mitosis:Select one:Cells with the same chromosome number and identical DNASister chromatidsCentromereCells with reduced chromosome number with different DNADiploid cellClear my choiceThis best describes a...
- Q Can you describe two dimensional model proposals thathave been put forth in order to replace the current system ofdiagnosing someone with a personality disorder? Â
- Q Provide an explanation in support of or refuting the followingstatement: Humans would never develop natural immunity to a novelbiological agent created in a laboratory
- Q Behavioral changes in animals are strongly correlated to:A. the process of natural selectionB. increasing interaction with humansC. changing conditions in their habitatD. the fact that animals are opportunistic hunters
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