Biology and Genetics

25) This laboratory technique does not require an oligonucleotide primer nor a l

25) This laboratory technique does not require an oligonucleotide primer nor a labeled nucleic acid probe. A) DNA sequencing B) Polymerase chain reaction C) Western blot hybridiza…

25) Which of the following is incorrectly paired? a) helicase unwinds parental d

25) Which of the following is incorrectly paired? a) helicase unwinds parental double helix at replication forks b) topoisomerase relieves "overwinding" strain ahead of replicatio…

25) Which stages should be effectively targeted by a B cell response? a) sporozo

25) Which stages should be effectively targeted by a B cell response? a) sporozoites in the cow, merozoites, sporozoites in the tick b) sporozoites in the cow, merozoites, zygote …

25) Which type of test can be used to determine whether disinfectant solutions a

25) Which type of test can be used to determine whether disinfectant solutions are being used correctly? A) blood agar test B) use-dilution test C) phenol coefficient test D) form…

25) You graduated fom college two years ago and began working at Hampstead Eleo

25) You graduated fom college two years ago and began working at Hampstead Eleo You have received good performance evaluations and a raise. You just found ti organization has hire…

25) one important difference between the anatomy of roots and the anatomy of lea

25) one important difference between the anatomy of roots and the anatomy of leaves is that A) only leaves have phloem and only roots have xylem b) root cells have cell walls and …

25). Night blindness is most commonly caused by A. damage to the cornea. B. dama

25). Night blindness is most commonly caused by A. damage to the cornea. B. damage to the optic nerve. C. an improper diet. D. a toxic effect of vitamin A. 26). Floaters that cast…

25)The neutralization of chyme occurs in the ___ a) Cardia b) Fundus c) Body d)

25)The neutralization of chyme occurs in the ___ a) Cardia b) Fundus c) Body d) Pylorus e) Pylorie sphincter 26) The emulsification of fats to maximize surface area for digestion …

25)The organism responsible for most cases of acute bacterial meningitis in the

25)The organism responsible for most cases of acute bacterial meningitis in the aduly is: a) Haemophilus influenzae b) diplococcus pneumoniaenc) Neisseria catarrhalis d) Neisseria…

25)The organism responsible for most cases of acute bacterial meningitis in the

25)The organism responsible for most cases of acute bacterial meningitis in the aduly is: a) Haemophilus influenzae b) diplococcus pneumoniaenc) Neisseria catarrhalis d) Neisseria…

25, A teacher introduces a unit on force, motion, and work by having students ca

25, A teacher introduces a unit on force, motion, and work by having students carry out different hands-on activities. Which of the following assessments will most effectively rev…

25. (14 points) The following pathway produces pigments in butterfly wings, a di

25. (14 points) The following pathway produces pigments in butterfly wings, a diploid organism The 6 genes for these enzymes are all on different chromosomes. Show your work. Oran…

25. 12pt] You have three tries for this question. The vernal equinox is a fixed

25. 12pt] You have three tries for this question. The vernal equinox is a fixed point in space and does not have to refer to spring. The astronomers who gave these names to the da…

25. 2,3-bisphosphoglyceric acid decreases Hemoglobin’s affinity for oxygen by: A

25. 2,3-bisphosphoglyceric acid decreases Hemoglobin’s affinity for oxygen by: A. binding to an Hemoglobin dimer. B. binding to the subunits of Hemoglobin in the high affinity R s…

25. A biochemical event occurs while maternal and paternal genomes are separated

25. A biochemical event occurs while maternal and paternal genomes are separated and causes differential, rather than equal, expression of the alleles in the offspring. Mice who r…

25. A teacher introduces a unit on force, motion, and work by having students ca

25. A teacher introduces a unit on force, motion, and work by having students carry out different hands-on activities. Which of the following assessments will most effectively rev…

25. A trait is being followed in the exquisite rare animal Sabalis corriganis. T

25. A trait is being followed in the exquisite rare animal Sabalis corriganis. The recessive ded genotype will exhibit a phenotype termed droopy lips, D_will exhibit normal lips. …

25. Analyze factors related to Alameda’s location (East Bay) to briefly explain

25. Analyze factors related to Alameda’s location (East Bay) to briefly explain the climate pattern found here. Include in your answer oceanic and atmospheric circulation. Please …

25. Analyze factors related to Alameda’s location (East Bay) to briefly explain

25. Analyze factors related to Alameda’s location (East Bay) to briefly explain the climate pattern found here. Include in your answer oceanic and atmospheric circulation. Please …

25. Another name for antigenic determinant is: A) mrnunogen B) epitope C) antibo

25. Another name for antigenic determinant is: A) mrnunogen B) epitope C) antibody D) polysaccharide 26. Which of the following complement receptors play an important role as a pa…

25. Assume spent Uranium with a density of 19000 kg/m3 is buried in soil with a

25. Assume spent Uranium with a density of 19000 kg/m3 is buried in soil with a density of 1500 a. b. C. d. kg/m within large metal containers 200 ft beneath the surface in Texas.…

25. Assume the trait for brown eyes is completely dominant to blue eyes and this

25. Assume the trait for brown eyes is completely dominant to blue eyes and this trait is controlled by a single gene. If 400 people in a population of 10,000 have blue eyes, how …

25. Based on the age structure diagram (on right), this population appears to be

25. Based on the age structure diagram (on right), this population appears to be Male Female A. Stable B. Growing C. Declining 8 6 42 0 2 46 8 Percent of population 26. Which of t…

25. Both heuristic algorithms and exhaustive algorithms were created. Regarding

25. Both heuristic algorithms and exhaustive algorithms were created. Regarding Smith- Waterman (S-W) and BLAST algorithm, which of the following statement is true? a. Both are ex…

25. Current Tocal cells/an Fold Expansion Previous Total cells/om 12706 (am Doub

25. Current Tocal cells/an Fold Expansion Previous Total cells/om 12706 (am Doubling Time LnFold Expansion) | Doubling Time x Time remaining in culture 2 days (days) 0.59 26. What…

25. Current Total cells/cm Fold Expansion Previous Total cels/om 3.71e8(aam 1.27

25. Current Total cells/cm Fold Expansion Previous Total cels/om 3.71e8(aam 1.2706(olam Doubling Time Ln(Fold Expansion) 207 (days) Doubling Time -Ln(2) Time remaining in culture …

25. Describe how the availability of lactose and glucose control transcription i

25. Describe how the availability of lactose and glucose control transcription in a bacterial cell. You may use diagrams to assist in your explanation a. (4 points) Describe the o…

25. During microscopic examination of potential cancer cells, some of the cells

25. During microscopic examination of potential cancer cells, some of the cells are graded as anaplastic. This means they A) divide slowly B) are easily identified to tissue of or…

25. During the Calvin cycle, plants: A) Fix CO2 into sugar B) Create ATP C) Oxid

25. During the Calvin cycle, plants: A) Fix CO2 into sugar B) Create ATP C) Oxidize H20 to oxygen. D) Convert solar energy to chemical energy 26. The majority of ATP in aerobic re…

25. Elephant shrews are voracious insectivores that prey upon a wide variety of

25. Elephant shrews are voracious insectivores that prey upon a wide variety of arthropods as well as worms. An AZA accredited zoo received two male-female pairs of elephant shrew…

25. How does the surface area to volume ratio affect cells? 26. How do cells/uni

25. How does the surface area to volume ratio affect cells? 26. How do cells/unicellular organisms cope with low surface/volume ratio? 27. What types of lipid movement are present…

25. If an embryo failed to form the mesoderm germ layer what would not develop?

25. If an embryo failed to form the mesoderm germ layer what would not develop? 26. Where do ectopic pregnancies most often occur? 27. What forms the lens of the eye? 28. What por…

25. In a classic study of the Hopi, a Native American tribe of central Arizona,

25. In a classic study of the Hopi, a Native American tribe of central Arizona, Woolf and Dukepno (1959) found 26 albino individuals in a total population of 6000. A single gene w…

25. In a classic study of the Hopi, a Native American tribe of central Arizona,

25. In a classic study of the Hopi, a Native American tribe of central Arizona, Woolf and Dukepno (1959) found 26 albino individuals in a total population of 6000. A single gene w…

25. In fruit flies, the yellow-bodied (y), echinus (ec) and white-eyed (w) mutat

25. In fruit flies, the yellow-bodied (y), echinus (ec) and white-eyed (w) mutations are all recessive to their corresponding normal alleles. A homozygous recessive yellow-bodied,…

25. In geheral, direct methods for enumerating bacterial populations in food are

25. In geheral, direct methods for enumerating bacterial populations in food are ONLY useful wbén: a. The load of bacteria is higher than 10/ml and you not concerned with speciati…

25. In many second messenger mechanis calcium binds to____________ and together

25. In many second messenger mechanis calcium binds to____________ and together they form a complex which activates carious enzyme system a. adenylyl cyclase b. G proteins c. calm…

25. In the event of hemorrhage associated with excess Heparin administration, wh

25. In the event of hemorrhage associated with excess Heparin administration, which of the following can be administered as an antidote? a) Sucralfate b) Vitamin K c) Thrombin d) …

25. In the figure to the right, ich skull is a diapsid skullr? 26. What term ref

25. In the figure to the right, ich skull is a diapsid skullr? 26. What term refers to a body temperature dictated by the environmental temperature? A. Endotherm B. Ectotherm C. P…

25. Johnson is hired by a company to sce if a new product, Topocal, will causs o

25. Johnson is hired by a company to sce if a new product, Topocal, will causs of bald men. He recruits one thousand bald men and randomly dividesr fiye hundred te what the resuts…

25. Malaria is a? a. protozoan b. fungi c. algae d. bacteria 26. Which disease i

25. Malaria is a? a. protozoan b. fungi c. algae d. bacteria 26. Which disease is associated with the southwest area of the US and exists as a soil organism? a. Valley fever b. MR…

25. Matching: biotransformation. blocker. blood-brain barrier. clearance. distri

25. Matching: biotransformation. blocker. blood-brain barrier. clearance. distribution. excretion. first-pass effect. 4 5. 6. half-life. 9. intrinsic activity. metabolism. metabol…

25. Mixing sperm and egg in a petri dish results in fertilization. We discussed

25. Mixing sperm and egg in a petri dish results in fertilization. We discussed modified in vitro culture conditions that increase the chance of obtaining polyspermy. What are tho…

25. Name the enzyme catalyzing the reaction: H-C-COO . + CH3-C-SCoA OC-CH-CH-COO

25. Name the enzyme catalyzing the reaction: H-C-COO . + CH3-C-SCoA OC-CH-CH-COO + SCOA a. aconitase. b. citrate lyase c. malate synthase d. malate dehydrogenase e. succinate synt…

25. Organelles that contain DNA include a. ribosomes b. mitochondria c. chloropl

25. Organelles that contain DNA include a. ribosomes b. mitochondria c. chloroplasts d. b&c; are correct e. a,b&c; are correct. 26. Which of the following pairs is mismatc…

25. Oslo, Norway is located at about 60 degrees N. Lat. How many degrees of lati

25. Oslo, Norway is located at about 60 degrees N. Lat. How many degrees of latitude are between Oslo and the position of the SSP on March 20? 24. What was the MDT of a city that …

25. Purification tables are often used to keep track of the yield and pu- rifica

25. Purification tables are often used to keep track of the yield and pu- rification of a protein. The specific activity is a ratio of the amount of the protein of interest, in th…

25. Shown here are the amino acid sequences of the wild-type and three mutant fo

25. Shown here are the amino acid sequences of the wild-type and three mutant forms of a short protein. Use this information to answer the following questions: Wild type: mer-trp-…

25. Sickle Cell and Evolution of PBS: Watch a Mutation Story http://www.pbs.org/

25. Sickle Cell and Evolution of PBS: Watch a Mutation Story http://www.pbs.org/wgbh/evolution/library /01/2/L012_02.html Sickle cell anemia causes the affected individual's hemog…

25. The Ecdysozoa includes the following taxa a. Arthropoda, Tardigrada, and Ony

25. The Ecdysozoa includes the following taxa a. Arthropoda, Tardigrada, and Onychophora b. Annelida, Arthropoda, and Onychophora c. Arthropoda, Tardigrada, and Annelida d. Mollus…