1-All of the following are true ExceptA- mitochondrial DNA is inherited from your mother B- only men have Y chromosome C- mitochondrial DNA is crucial tracing the human lineageD- mitochondrial DNA mutate faster than nuclear DNAE- nuclear DNA is susceptible to point mutation2- Whcih of the following are examples of somatic cells? choose all that apply A- kidney cellsB- neuronsC- spermD- red blood cellsE- bone cells3- the following are true about genes (choose as many as apply):A- genes are made up of codonsB- Genes are a series of codons is between two terminating codonsC- genes produce various proteins, which are responsible for itselfD- genes were discovered by DarwinE- some genes do more than one thingF- several genes often work together to produce a traitG- genes can be turned off and onH- genes are made of RNAI- genes reside at a locus on chromosomeJ- there’s always a dominant gene
1. How is linkage equilibrium similar to Hardy-Weinberg equilibrium and why? (5) 2. What does Muller’s Ratchet predict and why
1. How is linkage equilibrium similar to Hardy-Weinberg equilibrium and why? (5) 2. What does Muller’s Ratchet predict and why does it occur? How does sexual reproduction break the ratchet? (5) 3. What is the difference between directional selection and stabilizing selection? How will each model of selection, in theory, affect overall variation in the population? (5) 4. A population of fish have a mean body length of 15 centimeters. A new predator is introduced into the system that preys on all but the largest fish. The mean length of the surviving fish is 27 centimeters long. If in the following generation the mean length of the survivors offspring is 24 centimeters long, what is the narrow-sense heritability of body length? (5)
I need some help on a few homework problems. If you can help I would greatly appreciate it. Any help
I need some help on a few homework problems. If you can help I would greatly appreciate it. Any help will be greatly appreciated and I will make sure to leave a good review on your behalf.Question 3: What activates protein kinase C?Group of answer choices. Pick 1IP3Ca 2 and DAGDAGcAMP
1. What are the three general problem areas with labeling FDA has encountered? 2. What are the exemptions from labeling
1. What are the three general problem areas with labeling FDA has encountered? 2. What are the exemptions from labeling for IVDs?3. How long does an applicant/sponsor have to report an adverse drug experience? What are the procedures for an applicant/sponsor after submitting an ‘Alert Report’?4. Approximately how many generic types of medical devices of FDA recognize? How many medical specialties are these devices grouped into?5. What is/are the difference(s) between premarket approval and 510(k)?6. What are the criteria for determining if a manufacturer of a medical device must conduct postmarket surveillance?7. What type of post-market studies can FDA require?8. When are annual reports required for an ANDA and an NDA?9. When are annual reports required for a BLA?10. If a company is marketing a device and it wants to use the same device for something else, what kind of application must the company file?11. What information from medical device reports (MDR) can FDA disclose to the public?12. What responsibility do manufacturers have with regard to keeping copies/records/files of MDRs?13. Does a manufacturer need to provide FDA with a postmarket surveillance plan? If so, does it need approval before it can be enacted?14. When is it best to file an ANDA instead of an NDA?15. According to the FDA, what are the requirements for submitting a BLA?16. Does an IND have to be filed before a BLA? If so then why?17. What types of records are manufacturers/sponsors/investigators required to keep during the postmarket surveillance period?18. Is postmarket surveillance ever required for a class I medical device? What about class II?19. What law does the FDA use to take legal action against regulated products? And how does it define a ‘label’?20. Generally, what is the approval process for vaccines?21. According to the FDA, what are the goals of the NDA?22. Is advertising considered part of labeling?23. What are the requirements for labeling the immediate container of IVDs?24. Is there a specific language labeling should be written in?25. What are the requirements for the labeling of inserts and outer packaging?
1.Which of the following is a statement from the Law of Independent Assortment? a. When passing on traits, only one
Biology Assignment Writing Service1.Which of the following is a statement from the Law of Independent Assortment? a. When passing on traits, only one of each pair of homologous chromosomes is passed in any gamete.b. When tracking the inheritance of two different genes, gene 1 does not affect the inheritance of gene 2.c. In the heterozygote, the recessive allele is not seen in the phenotype.d. None of the above2.A testcross isa. a mating to detect if an individual with the dominant phenotype is homozygous or heterozygous.b. a mating to detect if an individual has a dominant or recessive phenotype.c. a mating between two individuals heterozygous for the trait of interest.d. a mating between two individuals of unknown genotype.Use the figure and the following description to answer questions 3 and 4.In a particular plant, leaf color is controlled by gene locus D. Plants with at least one allele D have dark green leaves and plants with only d alleles have light green leaves. 3.In a monohybrid cross, which individuals give you the most information about dominant and recessive alleles for a gene?a. the pure-breeding parentsb. the F1 hybrid offspringc. the homozygous recessive F2 offspringd. none of the above4.Which phrase below uses terms from genetics correctly?a. A gene is a different version of an allele.b. Purple and white are examples of two different genes for flower color.c. Your mother and father gave you different genes.d. None of the above5.What type of inheritance allows for continuous traits to exist?a. incomplete dominanceb. polygenicc. simple dominanced. codominance6.Which of the boxes marked 1-4 correspond to plants with dark leaves?a. 1 onlyb. and 3c. 4 onlyd. 1, 2, and 37.Which of the boxes marked 1-4 correspond to plants with a heterozygous genotype?a. 1b. 2 and 3c. 4 onlyd. 1, 2, and 38.Which of the following statements regarding genotypes and phenotypes is FALSE?a. The genetic makeup of an organism constitutes its genotype.b. An organism with two different alleles for a single trait is said to be homozygous for that trait.c. Alleles are alternate forms of a gene.d. The expressed physical traits of an organism are called its phenotype.9.Which of the following helped Mendel succeed in his experiments on genetics?a. He studied discontinuous traits.b. He defined the terms dominant and recessive.c. He knew about the separation of homologues in meiosis.d. None of the above10.The expression of both alleles for a trait in a heterozygous individual, such as an individual who has blood type AB, illustratesa. incomplete dominance.b. codominance.c. pleiotropy.d. polygenic inheritance.
How does the science of fluid dynamics relate to Formula 1 Racing? Does it relate? Why or why not?Make an
How does the science of fluid dynamics relate to Formula 1 Racing? Does it relate? Why or why not?Make an illustration to show how aero/hydro dynamics is involved, including clear labels of all the key aspects to consider (concepts of fluid dynamics appropriate to the sport, design, technique, materials, etc.Also please use the terms: Laminar flow, Turbulent flow, skin – friction drag, Profile drag Angle of attack, Bernoulli”s Principle, The Magnus Effect
1) Briefly explain your results for the colors in Tube P and C, both initial and final. 2) Why did
1) Briefly explain your results for the colors in Tube P and C, both initial and final. 2) Why did these results occur? What do they mean? 3) Was there evidence that the C02 dissolved in the BTB solution? Explain. 4) How do we know that CO2 didn’t just reenter the air for either Tube C or Tube P?
1) Describehowwho2) Describediffers. location processes3) How does transcription occur in a prokaryotic cell the structure of the DNA molecule was
1) Describehowwho2) Describediffers. location processes3) How does transcription occur in a prokaryotic cell the structure of the DNA molecule was discovered and the major scientists were who played crucial roles in each step of discovery. Who was eventually awarded the Nobel Prize in Physiology or Medicine? how the overall process of gene expression to proteins in prokaryotic cells from eukaryotic cellsWhat are the main differences in within the cell where the steps (i.e. transcription and translation) occur and what are the main differences in the overall of gene expression between these two types of cells?? Describe each stage in detail including which types of proteins are involved and how the transcript is created.4) Describe mRNA processing that occurs after transcription in eukaryotic cells. What are the 3 main ways that the pre-mRNA molecule is transformed during mRNA processing and what occurs to create the final version of the mRNA?5) How are polypeptides created during translation? Describe the main stages of translation in detail including where translation occurs within the cell, and which types of RNA are involved in translation.6) Describe how plasmids are used in the process of DNA cloning or gene cloning. What is the role of restriction enzymes? How can this DNA tool be used in practical applications or in a medical context?
9. A) Discuss in detail the paranotal lobes of primitively wingless insects. How might they have served the insects as
9. A) Discuss in detail the paranotal lobes of primitively wingless insects. How might they have served the insects as very small outgrowths that later were used for thermoregulation, etc. (See the online paper, “Thermoregulatory Significance of Paranotal Lobes in the Evolution of Insect Wings.” What segments bear wings on extant insects? B) What are sclerites? pleurites? sternites? What are their functions? What are apodemes and what are their functions?C) Make a list of all major hemimetabolous and holometabolous orders (discussed in audio and also in your text book). D) Which order of holometabolous insects has halteres? How do they function? E) Define: egg, larva, pupa, adult, instar, tracheae, diapause, dormancy, trophallaxis, sclerotization, tagmatization, arthropodization. F) List the important characteristics of onychophorans and tardigrades. Why are they not classified as arthropods? G) Are insects descriptively called “uniramians?” Why? Which groups are descriptively called “biramians?”
You are studying the function of a newly-identified neuron in the auditory system of the barn owl. To help plan
You are studying the function of a newly-identified neuron in the auditory system of the barn owl. To help plan your experiments, your colleague proposes a number of hypotheses/predictions. Given what you know about action potential generation and propagation, identify which of these statements is/are TRUE. Select ALL that are TRUE.Question 1 options:a. Increasing the number of “leak” (or background) potassium channels in this neuron’s axon will decrease the membrane resistance and thus increase the length constant of this axon.b. If the action potentials in this neuron are generated by a classic mechanism involving voltage-dependent Na and K channels, then increasing the intracellular concentration of Na should have no effect on the action potential thresholdc. If the threshold for action potential generation is increased by a specific drug, the speed of action potential propagation along this axon should be slower.d. If myelination of this axon is degraded, then the length constant of this neuron should be decreased (shortened).e. Depending on the specific ion channels that are expressed by this neuron, it may be possible to generate an action potential with a hyperpolarizing current stimulusf. If you apply a drug that decreases the relative refractory period, then this neuron should be able to generate and propagate action potentials at higher frequencies.
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