Biology question and answers for September 17, 2023
- Q Please Type Answer or Dont BotherAnswering!Name the four processes of the nitrogen cycle and describe whathappens in each process.
- Q If excess water passes out from the tissue without beingrestored by the kidneys, the cells would(a) burst open and die(b) take water from the plasma(c) not be affected at all(d)...
- Q How does the complement cascade link innate and adaptiveimmunity?
- Q In this second case you will modify the simulation to make itmore realistic. In the natural environment, not all genotypes havethe same rate of survival; that is, the environment might...
- Q Ascaris nematodes shed their eggs in the feces of theirhosts (including pets, farm animals, and humans). Behavioralobservations on humans suggest that young boys eat dirt morefrequently than young girls. Additionally...
- Q Enzymes are generally proteins. Proteins are sensitive toextreme changes in their environment and if they lose theirstructure, (are denatured), do not function properly anymore. Themetabolism reactions that keep a human...
- Q Which one of the following is a protein deficiencydisease?(a) kwashiorkar(b) night blindness(c) eczema(d) cirrhosis.
- Q Briefly define the ecological concepts of productivity anddiversity and explain two views of how these variables might berelated to each other.
- Q Compare and contrast spores and seeds as dispersal mechanismsfor plants, including descriptions of each. What taxa of plantsutilize each method of dispersal? What adaptive advantages do seedspossess?
- Q Which of the following is a difficulty in gettingprokaryotic cells to express eukaryotic genes?a. The signals that control gene expression are different forprokaryotes, thus requiring prokaryotic promoter regions to beadded...
- Q Describe a model of prokaryotic gene regulation that wasdiscussed in class, or a part of your readings for this semester.How are genes in this “model†turned on, turned off, or...
- Q Explain how the practice of biodiversity conservation canbenefit from an understanding of (i)the genetics of individuals within populations, (ii) themechanisms of speciation, and (iii) themajor climatic changes of the past...
- Q Describe the process of transcription and translation. In youranswer include the major molecules involved in both thetranscribing of genes and translation from nucleotide language toamino acid language. What are the...
- Q Using basic principles of animal form and function, explain whyit is not surprising that flightlessness is strongly associatedwith large body size in birds.
- Q What is phage therapy e.g in the fight against diseases
- Q pathogenic bacteria present in e.g a blood sample can beidentified by culture independent methods. Describe these methodswithin each of these categories
- Q describe some reasons why raw minced and aerobically stored meatspoils faster than 1) cut, raw pieces of meat stored anaerobically.In which of the three products do lactic acid bacteria not...
- Q Salmonella bacteria can cause two different types of disease.What is the disease called that is accolated with ingestion ofsalmonella from water of food, and where he results often asystemic infection?...
- Q Auks, such as Razorbills and Murres, are birds that breed in thecold latitudes of the northern hemisphere. Auks tend to have aplumage that exhibit “countershadingâ€, being dark on the top(dorsal)...
- Q Sympathetic nervous system induces(a) secretion of digestive juices(b) heart beat(c) secretion of saliva(d) all of these.
- Q 1. When an allele becomes more common in a species, whatchanges?A. gene flowB. the gene poolC. the type of speciesD. the number of chromosomes2. Which word describes what happens when...
- Q EvolutionYou work for a forestry department. Your colleague asks youropinion of a proposal to use artificial selection to breed apopulation of lodgepole pines that are resistant to the mountainpine beetle....
- Q Koch’s postulates are not applicable to(a) diptheria(b) cholera(c) TB(d) leprosy.
- Q The vagus nerve is the cranial nervenumbering(a) 7(b) 5(c) 10(d) 9.
- Q The ‘blue baby’ syndrome results from(a) excess of TDS (total dissolved solids)(b) excess of chloride(c) methaemoglobin(d) excess of dissolved oxygen
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