Biology question and answers for July 21, 2023
- Q This question is about the pentose phosphate pathway andinterconnected metabolic pathways (glycolysis,gluconeogenesis.)a) What reactions would occur if the cell needed lots of NADPHand only NADPH?b) What reactions would occur if...
- Q List and describe the three primary social interactionswhere the social recipient gains a positive effect on reproduction/ fitness. Give one brief example for each of these interactionsthat clearly supports your...
- Q Define ‘proximate cause’ of behavior and ‘ultimatecause’ of behavior. Describe two examples of proximate cause andtwo examples of ultimate cause of monogamy in prairievoles.
- Q Vertebrates often reside on land and give live birth. Which ofthe following groups of mammals do not align with one (or more) ofthese descriptions?monotremesmarsupialstetrapodsplacental mammalsWhich chemical removes calcium from bone?saltsugaraluminum...
- Q Give some examples of how being rejected or ostracizedhurts:​What do we know about ostracism and the brain?​Is being rejected similar to physical pain? How?
- Q 1) Match the following with theirdefinitions___ Kinase___ Methylation___ DNA ligase___ Topoisomerases___ Single- Stranded Binding___ ExonucleaseA) Protiens that bind to and protect the unpaired DNA strandsduring replication.B) Enzyme that relives the...
- Q 1a. If two solutions are _________ relative to each other, aconcentration gradient would not exist.hypertonichypotonicisotonicturgid1b. A pouch with a selectively permeable membrane containing asalt solution is immersed in a dish...
- Q 4. You are given an animal whose development has neverbeen characterized before. You note that at the four-cell stage,one blastomere transiently shows dark pigmentation. However, asembryogenesis proceeds, the dark pigmentation...
- Q Predator-PreyYou are a scientist that studies raccoon behavior and diet.Although raccoons are carnivores, they have a very diverse andopportunistic diet. As part of your research you are collectingscats (raccoon poop)...
- Q Essay question:1. Processes of greening response
- Q 4. List five factors that affect the absorption rate of alcoholin the bloodstream.
- Q The Microscope:You are a medical doctor specializing in blood diseases,especially malaria. Malaria is caused by a parasite that infectsred blood cells. The easiest way to diagnose the presence of themalaria...
- Q a.) During heat sterilization, what is the decimal reductiontime?b.) Are TLR (toll-like receptors) part of the innate or adaptiveresponse? Describe their function.c.) Describe the Humoral Immune response and the overalloutcome.
- Q Genetic DevelopmentDescribe the process of X-inactivation. How does it occur andwhy is it necessary?What is the concept of genomic equivalency?
- Q Are there similar disease’s that might get confused with thishyperthyriodism?Compare how you would rule in or out the difference’s betweenthe different diseases similar to this hyperthyriodism?
- Q An example of a mutualistic nutritional (dietary) symbiosis isthat between:Streptomyces and the beewolfVibrio fischeri and the bobtail squidHogkinia and CicadasBurkholderia and Bean bugsSalmonella and chickensWhich pathogen enters via a parenteral...
- Q Explain what occurs during depolarization and repolarization inthe circulatory system?
- Q This Question refers to the the following Urinalysis ResultsChart.Sample A tests positive for high levels ofprotein.  When a urine sample tests positive for protein,kidney damage could be to blame.  High levels of...
- Q (3) The following is a list of loci from Drosophilamelanogaster that have been mapped via linkage studies. Thesymbols for the loci have been shortened to one letter, and mapdistances have...
- Q Briefly describe one way in which behavioral biology aids in thereintroduction of captive-bred animals to wild habitats
- Q Most people who are infected with the HTLV-1 virus areasymptomatic carriers. One specific subtype of HTLV-I occurs onlyin a sub-population of the Japanese population and among the nativepeoples of the...
- Q How does each of your mutations affect the amino acidsequences? Are the mutations missense mutations, silent mutationsor nonsense mutations?Point mutation?Frameshift-insertion?Frameshift-deletionThe non mutated Sequence:AUG GAG GUC UUU AAG AGA CAU UUA...
- Q Many of the vitamins and minerals are considered to be bothessential and toxic, why is this?
- Q Name the three ionotropic glutamate receptors in the brain. Foreach, identify the ions that move to create the depolarizingeffects. What effects does the drug NBQX have on these receptorsand on...
- Q Some of the most commonly used dyes for simplestaining are methylene blue, basic fuchsine and crystal violet. Allof these dyes work well on bacteria because:
- Q liver cirrohsis
- Q Diabetes mellitus occurs with hyposecretion of insulin orhypoactivity of insulin.Define polyuria, polydipsia, and polyphagia.Explain why these symptoms occur with diabetes mellitus.
- Q A researcher studies normal human fibroblast cells.They can be maintained in culture but die off after about 30 cellgenerations. Unexpectedly, a colony of cells continues to surviveand divide past 30...
- Q MULTIPLE CHOICE1. Glutamate plays a specific functional role ina. synaptic plasticity.b. anxiety reduction.c. the action of alcohol.d. seizure suppression.2. The most abundant inhibitory neurotransmitter in the brainisa. Acetylcholineb. Dopaminec. Glutamated....
- Q rRNA sequences are among the most highly conserved innature.What does the word conserved mean in this context? . (1)Why are rRNA sequences so strongly conserved? . (2)The different stages of...
- Q Developmental biology THEMES including concentration gradients,time, location/induction, inhibition of an inhibition, negative andpositive feedback loops, etc. just to name a few. Pick ONE themesand using three different developmental stages/processes providethree...
- Q Paracrine signaling mechanisms and transcription factors havebeen seen to play key roles in several different developmentalprocesses throughout both the invertebrate and vertebrate animalkingdom.a. Pick ONE signaling mechanism. Using two differentdevelopmental...
- Q Phenotypes to Genotypes- Background: The IAA3 fromwild-type Arabidopsis has been sequenced and is included below asthe top strand in the 5’ to 3’ orientation.        1 gctgttactgctaccgacaa gcttagcttt ttttcctttg tccttaattc agaaaacagt       61 ttcttctctctctaccagta...
- Q PLEASE ANSWERS 1-3 QUESTIONS AND ILL LIKE AND COMMENT1. Which of the following biomes is NOT matchedcorrectly with a characteristic of that biome?Select one:a. temperate evergreen forest – dominated by...
- Q Compare and contrast the reproduction, brooding strategies andlife cycle of anurans (frogs and toads) and urodeles (newts andsalamanders).
- Q How is botulinum toxin being used today in therapeutic andcosmetic settings?
- Q Why do common folding patterns appear in proteins that exhibitvery different primary structures?The carbonyl and amino groups of the amino-acid residues at theN- and C-termini of proteins form regular patterns...
- Q define the following terminology:(a) Basal forebrain(b) Nicotinic acetylcholine receptor (nAChR)(c) Muscarinic acetylcholine receptors (mAChR)
- Q A man is heterozygous for achondroplasia for which the autosomaldominant A allele confers extremely short stature. His wife'sgenotype is aa and she is normal height. They have five childrentogether. What...
- Q Developmental Biology has made substantial contributions to thefield of Evolutionary Biology, providing tools that allow us tomechanistically study Darwin’s concept of “Descent withModificationâ€. This combination of Developmental and EvolutionaryBiology has...
- Q Discuss the role of phytochemicals and the B vitamin folate indecreasing cancer risk.
- Q A newly identified frog mutant, persistent tail (retains thetail through metamorphosis), is hypothesized to be autosomaldominant. The experimenter started with homozygous wild type virginfemales and homozygous persistent tail males. The...
- Q MAKE A 6 POWER POINT SLIDES FOR THIS AND EXPLAINING:What is the classification and history Antlion larva?What is the significance of Antlion larva and how does it relateto science, environment,...
- Q a) Discuss in detail the differences between marsupial andplacental mammals b) Describe the Marsupial orders of mammals indetail.
- Q develop a hypothesis for human or animal behavior, in which thebehavior is better explained by evolutionary history (ancestry),rather than as a perfect adaptation to the environment
- Q xplain how antibiotic resistance develops from a population ofsusceptible bacteria.
- Q Scenario 1.  A recent research publication connected migraine headachefrequency with a single nucleotide polymorphism.  Theaffected gene encodes the TRPM8 channel protein that transportsions across a membrane.  Interestingly, this geneticvariation may have become common...
- Q 1.Generally, how is hormone function regulated in plants?2. How is Auxin transported?3. How does auxin regulate branching?
- Q 1. What impacts can mutations have on organisms? Can they beharmful? Can they be beneficial?2. why every cell does not express all of its genes?
- Q 3.  Which of the following is a function of thetestes(A) sperm production (B) sperm storage (C) seminal fluidproduction (D) progesterone production (E) none of the above.4.  A single germ cell yields how...
- Q Related \"Africana Studies\" course, please define belowvocabulary in your own words:ethnologyJim CrowlynchN.A.A.C.P.Niagara MovementprogenySocial DarwinismThe Philadelphia Negro
- Q 21. A mother’s use of cigarettes and alcohol is mostdamaging to the fetus during the third trimester ofpregnancy.22. It is possible for healthy individuals to becarriers for a dominant genetic...
- Q Which reactions of phase I and phase II metabolismrequire energy, and where does this energy come from (in whatmolecular form)?
- Q Write a paragraph long comment you currently have after learninga bit about the evolution of behavior (about evolution, naturalselction). In particular, think about the implications of the ideathat behavior is...
- Q ANT 120Lab 1: The Forces of EvolutionThere are four mechanisms that can lead to evolutionary changefrom one generation to the next: mutation, natural selection, geneflow, and genetic drift. In this...
- Q What are the products of gametogenesis?A. Females- 1 egg ; Males- 2 spermB. Females – 4 eggs ; Males- 4 spermC. Females- 4 eggs ; Males- 1 spermD. Females- 1...
- Q An organism has 27 chromosomes. Use a * to representcentromeres, and a $ to represent repetitive regions of DNA causedby transposable elements. Chromosome 4 has the sequence A$BC*$DE,while chromosome 17...
- Q 1)Which metal center is responsible for oxidation of waterwithin photosystem II?2) Which metal ion is bound in a molecule of plastocyanin?3) Guanosine-capping and methylation events occur at 3’-end ofmRNA during...
- Q 1) Course is Computers in BioMedicineIn about 250 words , DiscussUse of fuzzy logic in biomedical expert systems anddiagnosis.
- Q Where do the removed introns go?
- Q Describe the role of APC/C in progression through themetaphase-to-anaphase transition. Be sure to include in youranswer:a) What exactly does APC/C do enzymatically?b) How does itinteract with cyclin and securing?c) The...
- Q Humans are referred to as the “ideal mammalâ€.a) What features of mammals have made them adaptable as aclass?b) Which adaptations have humans created to the mammal plan tobe called “idealâ€?c)...
- Q A biofilm consists of bacterial populations adhering to hostcells and are embedded in a common capsular mass?
- Q what are policy action to address the social determinants ofcoronary heart disease?give the title.consice background that covers all important and releventinformation and provide a strong rationale for policy change.policy actions...
- Q what are stem cells used for
- Q Non-avian reptiles have ranges of adaptations to make theirhearts more efficient than their predecessor chordates.a) Why do people say that reptiles have a “3.5†chamberheart?b) How does heart morphology differ...
- Q Define, compare, and contrast the crimes of voluntary andinvoluntary manslaughter. Provide an example of each.
- Q Amphibians are one of the most ancestral-like tetrapods.a) What evolutionary changes have occurred between fish &hibians?b) What features did sarcopterygii have that allowed to move toland?c) Why/what features make people...
- Q Question 2It is known that some tumors are associated with tumorviruses. It remains unknown, however, whether or not other tumorssuch as those induced by chemical carcinogens are also associatedwith tumor...
- Q A necessary and essential feature of RNA polymerases is theirability to home in to promoters to initiatetranscription, and then transition to transcription elongation.Explain the biological context of the above statement.
- Q What biotic factors might account for any differences betweendifferent types of habitats, such as disturbed and less disturbedhillsides. Please explain with great detail
- Q treatment for osteomyelitis includes
- Q people with sickle cell anemia have deformed red blood cellsthat cant properly transport oxygen to cells. compared to a healthyhuman, sickle cell patients would be mostly defective in?a) osmosisb)ATP productionc)...
- Q Cro and cI proteins both have helix-turn-helix DNA bindingdomains. What effect would replacing cro’s DNA binding domain withthat of cI’s have on the life-cycle of lambda phage? Explainbriefly
- Q You are an MD/PhD student studying left-right lateralitydefects in humans. You are monitoring a pregnancy in which theheart and stomach are positioned on the incorrect side of the body,while the...
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