Biology and Genetics

1. The following picture represents test results from blood samples of two patie

1. The following picture represents test results from blood samples of two patients A and B. Patient A has been vaccinated against influenza virus 12 wecks ago, while B has receiv…

1. The following picture represents test results from blood samples of two patie

1. The following picture represents test results from blood samples of two patients A and B. Patient A has been vaccinated against influenza virus 12 weeks ago, while B has receiv…

1. The following process (single step) can be considered: 1/2 O 2 + H 2 ----> H

1. The following process (single step) can be considered: 1/2 O2 + H2 ----> H2O Select one: a. A catabolic biochemical pathway b. An anabolic biochemical pathway c. An exergoni…

1. The following question are based on the following proteins: a. list the prote

1. The following question are based on the following proteins: a. list the proteins in the order of first to the last that eluted out from a size exclusion column b. list the prot…

1. The following question is about DNA fingerprinting (a) What are the major cha

1. The following question is about DNA fingerprinting (a) What are the major challenges of DNA fingerprinting in criminal cases? (b) Explain why DNA fingerprinting is more useful …

1. The following question is found in Student Exercises under part F-The Stars.

1. The following question is found in Student Exercises under part F-The Stars. Click on 'Under F2: Stellar Parallax' and step through the two exercises on parallax. The following…

1. The following represents case scenarios about different bacteria isolated fro

1. The following represents case scenarios about different bacteria isolated from different samples. It includes morphological, bio-physiological/ chemical and clinical attributes…

1. The following schematic represents a yeast gene and its various elements: Ind

1. The following schematic represents a yeast gene and its various elements: Indicate the predicted sizes of each of the following: a) Pre-mRNA (non processed) b) mRNA c) Protein …

1. The following schematic represents a yeast gene and its various elements: Ind

1. The following schematic represents a yeast gene and its various elements: Indicate the predicted sizes of each of the following: a) Pre-mRNA (non processed) b) mRNA c) Protein …

1. The following skeletal formula represent D-leucine (top) and L-leucine (botto

1. The following skeletal formula represent D-leucine (top) and L-leucine (bottom). Which type of isomers are these two molecules? Select one: a. structural isomers b. they are no…

1. The following statement is similar to those you might see on exams. Write a p

1. The following statement is similar to those you might see on exams. Write a paragraph of 3-5 sentences describing 1) whether the statement is correct or incorrect and 2) the re…

1. The following statement is similar to those you might see on exams. Write a p

1. The following statement is similar to those you might see on exams. Write a paragraph of 3-5 sentences describing 1) whether the statement is correct or incorrect and 2) the re…

1. The following statement is similar to those you might see on exams. Write a p

1. The following statement is similar to those you might see on exams. Write a paragraph of 3-5 sentences describing 1) whether the statement is correct or incorrect and 2) the re…

1. The following statement is similar to those you might see on exams. Write a p

1. The following statement is similar to those you might see on exams. Write a paragraph of 3-5 sentences describing 1) whether the statement is correct or incorrect and 2) the re…

1. The following statement is similar to those you might see on exams. Write a p

1. The following statement is similar to those you might see on exams. Write a paragraph of 3-5 sentences describing 1) whether the statement is correct or incorrect and 2) the re…

1. The following statements are true about meiosis except: A. During prophase I

1. The following statements are true about meiosis except: A. During prophase I of meiosis, homologous chromosomes pairtightly to form tetrads. B. Crossing over takes place only b…

1. The following treatments or mutations of trypsin and chymotrypsin have at tim

1. The following treatments or mutations of trypsin and chymotrypsin have at times surprising outcomes. Explain the findings with each using your knowledge of the serine protease …

1. The forelimbs of early mammals were similar in all features except FUNCTION .

1. The forelimbs of early mammals were similar in all features except FUNCTION. Can you tell me why the answer is function and why not the other choices? a.     embryonic origin b…

1. The form of N least likely to be lost from an ecosystem is: a. N b. NH2 c. NO

1. The form of N least likely to be lost from an ecosystem is: a. N b. NH2 c. NO4 d. organic N 2. One likely reason that species diversity tends to be higher at lower latitudes is…

1. The foundation for whole-body fitness is: a a. Muscular strength b. Muscular

1. The foundation for whole-body fitness is: a a. Muscular strength b. Muscular endurance c. Flexibility d. Cardio-respiratory endurance 2. Cardio-respiratory endurance efficiency…

1. The four nucleotides found in human DNA (G, A, T, C) combine in groups of thr

1. The four nucleotides found in human DNA (G, A, T, C) combine in groups of three to create potentially 64 different amino acids, but only 20 amino acids, one start codon and thr…

1. The fruit fly has white (w) gene on its X chromosome; therefore the wild type

1. The fruit fly has white (w) gene on its X chromosome; therefore the wild type fly has white eye color. (True or False) 2. The fruit fly has Bar (B) gene on its X chromosome, th…

1. The function of most proteins is determined by their ______________ structure

1. The function of most proteins is determined by their ______________ structure. 2. The strand of DNA copied in transcription is called the _______________strand. 3. RNA polymera…

1. The function of the systemic circuit is to transport A) carbon dioxide and nu

1. The function of the systemic circuit is to transport A) carbon dioxide and nutrients to the lungs only B) carbon dioxide and nutrients to tissues in the body C) oxygen and nutr…

1. The functions of the Charge Description Master (CDM) include producing an ite

1. The functions of the Charge Description Master (CDM) include producing an itemized statement of services received by a patient during a healthcare encounter, assigning charges …

1. The fur of hamsters can be described as bristly, curly, wavy or smooth. Your

1. The fur of hamsters can be described as bristly, curly, wavy or smooth. Your great aunt Maribel dies and leaves you her two hamsters, one of which has a bristly coat, while the…

1. The gene OCA2 on chromosome 15 confers eye color in humans. The most common p

1. The gene OCA2 on chromosome 15 confers eye color in humans. The most common phenotype is brown eyes (BB). A recessive allele of the OCA2 results in blue eyes (bb). Wilson has b…

1. The gene for a eukaryotic polypeptide hormone was isolated, cloned, sequenced

1. The gene for a eukaryotic polypeptide hormone was isolated, cloned, sequenced, and overexpressed in a bacterium. After the poly peptide was purified from the bacterium, it fail…

1. The genome of a newly discovered bacterial species ( Bacillus sanfranciscus )

1. The genome of a newly discovered bacterial species (Bacillus sanfranciscus) was sequenced and found to have a circular genome of 4 x 106 base pairs (bp). Open reading frame (OR…

1. The genotypes of four strains of Neurospora are unknown. However, we do know

1. The genotypes of four strains of Neurospora are unknown. However, we do know that all strains require arginine and have the growth characteristics shown below. Nutrition and Ac…

1. The genotypes of four strains of Neurospora are unknown. However, we do know

1. The genotypes of four strains of Neurospora are unknown. However, we do know that all strains require arginine and have the growth characteistics shown below. Nutrition and Acc…

1. The glycolysis pathway is active when cellular ATP levels are _________ . The

1. The glycolysis pathway is active when cellular ATP levels are _________ . The enzyme phosphofructokinase is _________ by ATP. Select one: a. high, inhibited b. low, activated c…

1. The graph below shows the radioactive decay of Carbon-14 through time. The X

1. The graph below shows the radioactive decay of Carbon-14 through time. The X axis shows time (in number of half-lives and calendar years) and the y-axis shows the amount of Car…

1. The growing season would be shortest in which of thefollowing biomes? A. temp

1. The growing season would be shortest in which of thefollowing biomes? A. temperate grassland   B. savannah C.deciduous forest D. taiga   E. tropical rainforest 2. Which of the …

1. The gut microbiome benefits the host in many ways. One benefit of the gut mic

1. The gut microbiome benefits the host in many ways. One benefit of the gut microbiome is that it helps to prevent infection by pathogenic microbes. To directly compete with and …

1. The gymnosperm gnetophytes are known to have diversified alongside early angi

1. The gymnosperm gnetophytes are known to have diversified alongside early angiosperms in Cretaceous tropical forests. The presence of what general features m account for the fac…

1. The haploid number refers to the number of ________. A) chromosome pairs B) c

1. The haploid number refers to the number of ________. A) chromosome pairs B) chromosomes C) sperm and ova D) genes 2. What is the diploid number in humans? A) 9 B) 18 C) 23 D) 4…

1. The huge dust storms on deserts can carry tons of sediment into the atmospher

1. The huge dust storms on deserts can carry tons of sediment into the atmosphere. When these sediments finally settle out of the air the deposit they create is called... fan dust…

1. The human Y chromosome is about 50 million base pairs long. About how many nu

1. The human Y chromosome is about 50 million base pairs long. About how many nucleosomes would you expect to find associated with this chromosome? Select one: a. 50,000,000 b. 2,…

1. The human bone disease osteogenesis imperfecta is due to a dominant mutation

1. The human bone disease osteogenesis imperfecta is due to a dominant mutation that is incompletely penetrant in heterozygotes. The Penetrance value for this genotype is currentl…

1. The human immune system has a lot of back-up plans built into its design. Man

1. The human immune system has a lot of back-up plans built into its design. Many cells and other immune components have similar roles. Provide an example of two components that h…

1. The human papillomavirus (HPV) is commonly known as a cancer-causing virus. A

1. The human papillomavirus (HPV) is commonly known as a cancer-causing virus. A dormant form of the virus can survive in the body by integrating into host cell DNA. The location …

1. The hypothesis that sexual reproduction is maintained by evolution because de

1. The hypothesis that sexual reproduction is maintained by evolution because deleterious alleles accumulate in asexually reproducing lineages is known as ___________. A. The Red …

1. The infant with the highest probability of survival would weigh: 2. An infant

1. The infant with the highest probability of survival would weigh: 2. An infant with 90% survival (or 10% death) would weigh: 11lbs For a particular gene, the frequency of the do…

1. The information below is from a box of typhoid vaccine. VIVOTIF BERNA® Typhoi

1. The information below is from a box of typhoid vaccine. VIVOTIF BERNA® Typhoid Vaccine Oral Ty 21a Explain how you would know by simply reading this label that this is an atten…

1. The information below is from a box of typhoid vaccine. VIVOTIF BERNA® Typhoi

1. The information below is from a box of typhoid vaccine. VIVOTIF BERNA® Typhoid Vaccine Oral Ty 21a Explain how you would know by simply reading this label that this is an atten…

1. The information below is from a box of typhoid vaccine. VIVOTIF BERNA® Typhoi

1. The information below is from a box of typhoid vaccine. VIVOTIF BERNA® Typhoid Vaccine Oral Ty 21a Explain how you would know by simply reading this label that this is an atten…

1. The information stream that defines body status enters the cerebellum through

1. The information stream that defines body status enters the cerebellum through one pair of peduncles. Which pair? superior middle inferior 2. The cortico-pontine-cerebellar trac…

1. The initial conditions at station “x” are shown below. Pressure Level Tempera

1.   The initial conditions at station “x” are shown below. Pressure Level Temperature Dew Point 1000 mb (sfc) 25 C 20 C 925 mb 15 C 10 C 850 mb 10 C 05 C a.      What is the conv…

1. The inner layer of skin is called the: A. epidermis. B. dermis. C. outer derm

1. The inner layer of skin is called the: A. epidermis. B. dermis. C. outer dermis. D. subcutaneous. 2. The purpose of the respiratory system is to: A. return oxygen-poor blood fr…