Biology question and answers for August 23, 2023
- Q Determine which of the following observations are testable. Forthose that are testable: Determine if the observation isqualitative or quantitative Write a hypothesis and null hypothesisWhat would be your experimental approach?...
- Q Biology Ecology Unit1.A.) Describe how the phenomenon of bioaccumulation occurs in anecosystem. What chemical/physical properties make a compoundbioaccumulate? Which organisms are affected the most and why?B.) Which scientist is first...
- Q NOTE : ESSAY QUESTION - PLEASE ANSWER IN DETAIL (1-2paragraphs)Question : Discuss the characteristics, inheritance, anddevelopment of cancer; specifically talk about the role of genes,gene regulation, and the environment in...
- Q Exercise 7: Experimental Variables Determine the variablestested in the each of the following experiments. If applicable,determine and identify any positive or negative controls.Observations 1. A study is being done to...
- Q In words, trace blood flow through the systemic and pulmonarycircuits.
- Q How does a mother’s LEK impact Tsimane child health
- Q Introduction to microscopy:1- Interection of colored threads question:- Can you use the fine adjustment knob so that you can focuson all three threads simultaneously when viewing them under higherpower? why...
- Q A year-old jackal that attempts to find a mate and raise its ownoffspring will produce an average of 0.4 offspring in the firstseason. Another option would be to help its...
- Q 1. In what part of ahepatocyte would a drug interaction involving CYP enzymes mostlikely occur?A. Endoplasmic reticulumB. LysosomesC. Golgi apparatusD.Outer cell membraneE. Nucleus membrane2. Simvastatin is at higher risk of...
- Q describe how healthy diet works to prevent cardiovasculardisease, diabetes, obesity, and other health problems.
- Q Why must the circulatory and respiratory systems worktogether?
- Q What does the dye intensity tell you? What information do youget about the fold change? Why is it important to look at bothtypes of data when considering if a gene...
- Q Crop improvement can be done by conventional plant breeding orby genetic engineering. Can you describe the two methods?
- Q Internal thermal regulation is an example of thisproperty of life:Select one or more:a. evolutionb. homeostasisc. reproductiond. order
- Q Provide a brief overview of the mechanisms employed toaccomplish the relatively constant blood glucose level in humans of~5mM and comment on why it is necessary.
- Q Explain the differences between the evolutionary theories ofCharles Darwin's natural selection and Lynn Margulis Endosymbiosis.Are the theories testable and expensive, according to StevenGould's standards? Does the apparent contradiction between thetheories...
- Q Name the parts of an operon and why are they for prokaryotes andnot eukaryotes .   -Where is it okay to have transpooons andwhere it may be dangerous-what are all the...
- Q 1. Give a complete, all-encompassing definition of a gene.Discuss each part of your definition. Is the definition of the geneas determined through complementation, recombination, and mutationfor prokaryotes directly applicable to...
- Q How does the ‘bioassay’ GMS testing method differ fromthe other techniques?Seed Science & Technology
- Q In the context of rotational crossbreeding compare the use ofcrossbred sires relative to the use of purebred sires with respectto: (3 pts)a. hybrid vigorb. breed complementarityc. consistency of performanced. simplicitye....
- Q 2. Sugars are essential components of nucleic acids.a) Provide the precise chemical description (anomer, isomer andeither pyranose or furanose form) of the circular stereoisomersthat are formed by ribose in cells.b)...
- Q Stepsa) add 20 grams of oysters to 20 mL of saline to give a 1:2dilution slurryb) Transfer 5 grams of the slurry into a conical tube.c) Prepare a 1:10 serial...
- Q Explain the path taken by microorganisms from one specificportal of entry, through the establishment of disease, and end intheir exit from one portals in the host.
- Q Individuals who actively smoke have a much higher rate of lunginfection. Explain which first-line defense mechanism may beimpaired by smoking which allows pathogens to more readily enterthe lower respiratory tract.
- Q 1. Describe/draw/label in detail the process of Transcription& Translation. Make sure to identify all key items and theirroles IN UR OWN WORS. (10th grader to understand)2. Sketch and label a...
- Q Suppose that you were engaged in genetic engineering orpesticide development. What environmental or social safeguardswould you impose on your research, if any? What restrictions wouldyou tolerate from someone else concerned...
- Q exon shuffling occurred during the evolution of the eukaryotesgenome and explains why many proteins shows evidence of a mosaichistory? describe limitations to this
- Q Â Â Suppose that a particular gene that controls coatcolor in dogs is controlled by four alleles in the population.These alleles are called cch (chinchilla dog),cd (white dog with dark eyes),cb (pale...
- Q Please explain the rationale behind circadian timing ofchemotherapy for cancer treatment
- Q 1) Pick one of the phases of mitosis, and compare it to thesimilar phase in meiosis I and meiosis II. For example, compare andcontrast prophase of mitosis with prophase I...
- Q Disease: PhenyketonuriaDescribe the relationship between the disease phenotype (i.e.,symptoms) and thedifferent genotypes with the disease-causing allele. In yourdescription use the terms:homozygous, heterozygous, dominant/dominance, andrecessive.  *Note: this will lookdifferent if your disease...
- Q All but the most primitive species of organism have the ability toreproduce sexually. Can you exÂplain why sexual reproduction isconsidered a hallmark of evolutionary advancement? What are theadvantages over asexual...
- Q it has been observed that malonyl-CoA inhibits palmitic acidoxidation in isolated mitochondria, but that it has little or noeffect on the oxidation of octanoic acid ( C8, saturated). Explainthis observation.
- Q Compare and contrast the roles of ECM proteins; collagen andproteoglycan. List several of the collagen types and theirdistributions where they are found.
- Q Number of Plants With:P1 GenerationP1 Generation PercentageF1 GenerationF1 Generation PercentagePurple stem and dwarf stem height53Purple stem and normal stem height44Non-purple stem and dwarf stem heigh00Non-purple stem and normal stem height02Total...
- Q Receptor binding motifs such as RGD have highly selectiverecognition for cell adhesion. Outline a strategy for incorporatinga cell adhesion. Outline a strategy for incorporating a celladhesion recognition domain to a...
- Q Choose the correct frequency for the following statements.Statement                 A sampleof a mouse population has a frequency of 0.18 for the dominantallele for black hair coat (B).  ...
- Q Using an interneuron as your point ofreference, describe the difference between excitatorygraded potentials and actionpotentials. Include the following in your answer forEACH type of potential.A) WHERE the potential is generated...
- Q Define these terms: [ Note: *Singular: (-ium); plural:(-ia)]HaplodiplonticTracheidExant*Sporangia*Gametangia*Archegonia*Antheridia*StrobiliSporophyll
- Q Five conditions are required to maintain the Hardy–Weinbergequilibrium in a population.A. Closed populationB. Large populationC. Random matingD. No net mutationsE. No natural selectionIf any of these conditions is not being...
- Q The metabolism of protein results in the formation of this toxicion.a) alcoholb) ammoniac) creatined) aldosteronee) lactic acid
- Q Compare and contrast biofilms and tissues (like cardiacmuscle).
- Q 2. Coastal rainbow trout (Oncorhynchus mykiss) move betweenmarine and freshwater systems yet are homoiosmotic organisms. Whatis meant this? What physiological challenges do these fish have tomeet in each environment (marine...
- Q Explain the impact that changes in sodium (Na), potassium (K),or even myelination will have on nerve conduction.
- Q Explain the reasons for differences in nerve conductionvelocity
- Q According to game theory, what should we expect in a situationwhere two individuals are interacting over a period of two weeksand both individuals know that they will never interact again...
- Q How does the young Charles Darwin (well before the publicationof On the Origin of Species) fit into the history ofmarine science?
- Q PLNIP is a gene found in the human genome that isresponsible for the production of lipase. Lipase is a type ofprotein enzyme that digests lipids.Some events in the creation of...
- Q Define endocrine, paracrine, and autocrine and giveexample of each.
- Q Lysozyme attacks bacteria by ___________________ and iseffective against _________________.a)making holes in the bacterial membrane; Gram-negativebacteriab)hydrolyzing the glycosidic bond between NAM and NAG;Gram-positive bacteriac)making holes in the bacterial membrane; Gram-positivebacteriad)hydrolyzing the...
- Q These vessels carry blood under high pressure out to the bodytissues.a) veinsb) arteriesc) capillariesd) lymph vessels
- Q Compare animals:earthwormclamgrasshopperfishfrogand research the anatomy of these body systems:digestivenervousrespiratorycardiovascularexcretory/osmoregulatory1. Identify 2-3 similar anatomical structures that appear in allthe animals for which there were posts. Why do you think thesestructures have...
- Q Describe how glucose-6-phosphate formed by glycogen breakdown inthe liver converts to glucose by glucose-6-phosphatase and how thenewly formed glucose leaves the liver cells. Describe why thisprocess allows for separation from...
- Q In humans, lighter skin color is adaptive at latitudes farfrom the equator because UV lightï¯ stimulates synthesis of folic acidï¯ causes breakdown of folic acidï¯ stimulates synthesis of vitamin Dï¯...
- Q What are the three types of post-transcriptional processing, andwhat are the consequences of preventing each of these modificationsin terms of gene expression? Essay answers are limited to about 600words.
- Q what three types of stimulation lead to hormonerelease? Give examples.
- Q Desribe how the protein phosphatase-1 (PP1) in theliver is regulated and how glucose allosterically regulatesglycogen phosphorylase in the liver.
- Q A cell starts will 46 chromosomes. How many chromosomes wouldyou expect to find in each daughter cell following successfulmitosis and cytokinesis? Select one: a. 23 b. 92 c. 46 d....
- Q You have an unknown concentration of potassium permanganate. Youhave determined the wavelength at which this substance has themaximum absorbance. How would you generate a standard curve? Howwould you use this...
- Q This cell structure contains catalases, specific enzymes devotedto the detoxification of peroxide: A. Golgi apparatus B.Mitochondria C. Peroxisome D. Lysosome
- Q Howdoes membrane fluidity effect how fast a signal travels?
- Q Define pH. What does pH measure?Write the definition of an acid. Give two examples of an acid.Organic acids tend to contain what group of elements? (See lecturenotes.)Write the definition of...
- Q Why do arteries have tough elastic walls? What is the functionof capillaries? Why are capillaries more narrow compared toarteries?
- Q What is the function of the veins? Is blood under high or lowpressure in the veins? What two features of veins allow them toefficiently deliver blood back to the heart?What...
- Q which of the following statements about genetic drift andpopulation size is trueA) if a population is large enough, it will not experience anygenetic driftB) the larger a sample is, the...
- Q Human cells contain a protein that binds to the 5? triphosphategroups of RNA. Explain why this protein would be part of thedefense against viral infection.
- Q 1.Why is the theory of evolution a scientific theory andnot a scientific hypothesis? Explain an example relevant tozoology.2. Describe the inter-relationship between randomgenetic mutation, selection (natural, sexual or kin) andreproductive...
- Q 1.Discuss one specific fishery or species of fish anddiscuss problems associated with it conservation. Use actualdetails and examples.2. Compare in depth the different adaptations in twomammals. Explain how the adaptation...
- Q 10. What is surfactant and why is it important?11. What circulation is associated with the right side of theheart? The left?12. What is hemoglobin?; what does it do?13. Where in...
- Q 1) How does our body control activation/ deactivation of somedigestive enzymes?Select one:a. Changing the body temperatureb. pHc. Changing the shape of the proteind. feedback inhibitione. None of the above
- Q Describe primary, secondary, tertiary, and quaternary structureand differentiate among the structures based onStabilization by intramolecular covalent bondsStabilization by hydrogen bondsStabilization by hydrophobic effectFunction in binding ligandRegulation of function by allostery
- Q The lacI gene regulates transcription of the structuralgenes by producing a repressor molecule that is allosteric, meaningthatit interacts irreversibly with a gene, causing both aconformational change in three-dimensional shape and...
- Q I marked the correct answers to these questions, but I just wantto know how to solve them.1) In a cross of AaBbCcDdEeFf X AaBbccDdEeFf, what proportionwill have the ABCDeF phenotype?A....
- Q Even though pikas and brown bears live in seasonal environmentsthat experience dramatic temperature changes throughout the year,each species maintains homeostasis and metabolic functioning viadifferent adaptations. Brown bears feast in the...
- Q Briefly discuss the prevention of contamination and therestriction of growth in the control microbial contamination ofproducts and processing environments.
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