Biology and Genetics

1) Which of the following is true of the ATP Synthase in the mitochondria? It is

1) Which of the following is true of the ATP Synthase in the mitochondria? It is an enzyme. It can catalyze either phosphorylation of ADP or dephosphorylation of ATP. It is a prot…

1) Which of the following is true of the meiosis cell cycle, but NOT the mitosis

1) Which of the following is true of the meiosis cell cycle, but NOT the mitosis cell cycle? The DNA is replicated twice. Homologous chromosomes undergo recombination. Sister chro…

1) Which of the following is typically not involved in SDS-PAGE? Select one: a.

1) Which of the following is typically not involved in SDS-PAGE? Select one: a. Uniform charge of particles. b. The use of agarose as the gel medium. c. The organization of polype…

1) Which of the following locational descriptions is incorrect? a. the Interior

1) Which of the following locational descriptions is incorrect? a. the Interior Plateaus region occupies an area between the Pacific Coastlands and the Rocky Mountains. b. the Gre…

1) Which of the following molecular structures is incorrect? A. CH3—NH3 B. CH2==

1) Which of the following molecular structures is incorrect? A. CH3—NH3 B. CH2==CH2 C. CH3—NH2 D. CH3—NH3+ E. CH3—CH3 Answer choice C 2) Table salt, NaCl, is neutral. When dissolv…

1) Which of the following monosaccharides occurs at the reducing end of the olig

1) Which of the following monosaccharides occurs at the reducing end of the oligosaccharide represented by 1HPN? 2) For 1HPN, a ______ group in each IDS residue indicates the pres…

1) Which of the following muscles INSERTS onto the ribs? a. erector spinae b. di

1) Which of the following muscles INSERTS onto the ribs? a. erector spinae b. diaphragm musce c. external intercostal muscle d. a and c e. all the above 2. Which of the following …

1) Which of the following processes is dependent on endonuclease activity? Proof

1) Which of the following processes is dependent on endonuclease activity? Proofreading Mismatch repair Excision repair Apoptosis Mismatch repair, excision repair, and apoptosis 2…

1) Which of the following represent/s a mutualistic association involving a fung

1) Which of the following represent/s a mutualistic association involving a fungus? Select all that apply. A fungus invades the vascular tissue of a tree and eventually kills it. …

1) Which of the following statement(s) is true for a soil with a low pH value? S

1) Which of the following statement(s) is true for a soil with a low pH value? Select all that are true. - The soil is likely to have low levels of exchangeable nutrients, such as…

1) Which of the following statements about DNA replication is false? a) unwindin

1)   Which of the following statements about DNA replication is false? a) unwinding of the DNA molecule occurs as hydrogen bond breaks b) replication occurs as each base is paired…

1) Which of the following statements about archaea is FALSE? A) They are prokary

1) Which of the following statements about archaea is FALSE? A) They are prokaryotes B) They lack peptidoglycan in their cell walls C) Some are thermoacidophiles; others are extre…

1) Which of the following statements about evolution is true? 1) ______ A) Organ

1) Which of the following statements about evolution is true? 1) ______ A) Organisms evolve structures in response to needs. B) Evolution is directional. C) Evolution is a passive…

1) Which of the following statements about genetic testing methods is NOT true?

1) Which of the following statements about genetic testing methods is NOT true? a. The reason that SNP-chip is the most widely used method is because it is cheap and because it te…

1) Which of the following statements about glycogen structure and utilization is

1) Which of the following statements about glycogen structure and utilization is FALSE? Liver glycogen is used to buffer the overall blood glucose level during fasting Glycogen is…

1) Which of the following statements about restriction endonucleases is correct?

1) Which of the following statements about restriction endonucleases is correct? a) They are enzymes that are present in prokaryote:s b) They catalyze the hydrolysis of phosphodie…

1) Which of the following statements about sleep is true? A)The brain’s activity

1) Which of the following statements about sleep is true? A)The brain’s activity is much lower than during wakefulness B) The body’s metabolism is much lower and burns half the am…

1) Which of the following statements about transport into the mitochondria is FA

1) Which of the following statements about transport into the mitochondria is FALSE? a) The signal sequence on proteins destined for the mitochondria is recognized by a receptor p…

1) Which of the following statements is FALSE a) both brown and red algae are fo

1) Which of the following statements is FALSE a) both brown and red algae are found in oceans b) yeasts are single-celled protists c) green algae are considered to be the ancestor…

1) Which of the following statements is consistent with the structure of the Kcs

1) Which of the following statements is consistent with the structure of the KcsA K+ channel? a) This protein is a homotetramer composed of hydrophobic alpha helices that form a c…

1) Which of the following statements is consistent with the structure of the Kcs

1) Which of the following statements is consistent with the structure of the KcsA K+ channel? a) This protein is a homotetramer composed of hydrophobic alpha helices that form a c…

1) Which of the following statements is incorrect? (Mark all that apply) a) the

1) Which of the following statements is incorrect? (Mark all that apply) a) the viral nucleic acid core is always composed of RNA b) the genome of most prokaryotes consists of a s…

1) Which of the following statements most accurately describes domestication syn

1) Which of the following statements most accurately describes domestication syndrome? a) Genes responsible for temperament are on the same chromosome as genes responsible for cer…

1) Which of the following statements regarding microorganisms is false? A. They

1) Which of the following statements regarding microorganisms is false? A. They constitute the major portion of biomass on earth. B. Most of them cause disease in humans. C. In na…

1) Which of the following structures is included in the respiratory portion of t

1) Which of the following structures is included in the respiratory portion of the respiratory tract? A) internal nares B) alveoli C) carina D) primary bronchioles E) secondary br…

1) Which of the following was not a requirement for the formation of life? energ

1) Which of the following was not a requirement for the formation of life? energy ozone atmosphere without molecular oxygen compounds where H exceeds O 2) A similar characteristic…

1) Which of the following would NOT be expected to be present in a biochemical a

1) Which of the following would NOT be expected to be present in a biochemical analysis of an archaeal cell? a) branched hydrocarbons b) membrane proteins c) cytoplasmic membranes…

1) Which of the following would be the worst primer for PCR? a. A primer with mi

1) Which of the following would be the worst primer for PCR? a. A primer with mismatches at the 5' end. b. A primer that is 21 bases long. c. A primer with mismatches in the middl…

1) Which of the following would probably NOT be present in a genomic library mad

1) Which of the following would probably NOT be present in a genomic library made from the nuclear DNA of a human cell? a. the gene for the hemoglobin protein b. the poly-A tail f…

1) Which of these would increase the tension generated in a skeletal muscle? A)

1) Which of these would increase the tension generated in a skeletal muscle? A) stretching the muscle to very long lengths B) increasing the frequency of firing in alpha motor neu…

1) Which of these would increase the tension generated in a skeletal muscle? A)

1) Which of these would increase the tension generated in a skeletal muscle? A) stretching the muscle to very long lengths B) increasing the frequency of firing in alpha motor neu…

1) Which one of the TCA reactions has a mechanism that involves the use of thiam

1) Which one of the TCA reactions has a mechanism that involves the use of thiamin pyrophosphate and lipoic acid? a) 1 b) 3 c) 4 d) 6 2) The substrate level phosphorylation that o…

1) Which one of the following best names the technique used in this experiment?

1) Which one of the following best names the technique used in this experiment? A Western Blot B DNA Footprinting C Electrophoretic Mobility Shift Assay (EMSA) D Sanger Sequencing…

1) Which one of the following choices correctly identifies the nature of interac

1) Which one of the following choices correctly identifies the nature of interactions that occur between glycan attachment factors and viral proteins? They are relatively nonspeci…

1) Which one of the following would least likely be found in a cell that has ent

1) Which one of the following would least likely be found in a cell that has entered M-phase? Mitotic chromosomes Nucleosomes Heterochromatin Histones A nucleolus Which of the fol…

1) Which part(s) of Mexico are considered to be among the most affluent in Mexic

1) Which part(s) of Mexico are considered to be among the most affluent in Mexico? 2) From the list provided below, what place / region in the world is most concerned about "globa…

1) Which rocks are most useful in unraveling Earth\'s geologic history? A) phane

1) Which rocks are most useful in unraveling Earth's geologic history?    A) phaneritic igneous rocks B) high grade metamorphic rocks C) fossiliferous sedimentary rocks D) meteori…

1) Which statement accurately describes the concentration of potassium ions in a

1) Which statement accurately describes the concentration of potassium ions in a resting neuron? Select one: a. The concentration of potassium ions in the cell is low because open…

1) Which statement below is incorrect? A) Transformation, conjugation, transduct

1) Which statement below is incorrect? A) Transformation, conjugation, transduction are three processes by which exogenous genetic material may be introduced into a bacterial cell…

1) Which statement correctly describes rock-forming minerals and economic minera

1) Which statement correctly describes rock-forming minerals and economic minerals? e) Rock-forming minerals consist of a few types of minerals that are abundant in Earth’s crust,…

1) While ground spectrometers and sources can operate at a continuum of waveleng

1) While ground spectrometers and sources can operate at a continuum of wavelengths (i.e hyperspectral), from space hyperspectral sensing is often quite hard. Most sensors are mul…

1) While the shell is a good defensive strategy, it also carries certain costs/p

1) While the shell is a good defensive strategy, it also carries certain costs/problems. Identify at least one of these problems and briefly discuss how this phylum (Mollusca) has…

1) While working as a scribe at a local hospital, you are witness to a 48-year-o

1) While working as a scribe at a local hospital, you are witness to a 48-year-old male who arrived in the emergency suite who was unresponsive. Prior to becoming comatose, he rep…

1) Why are fungal infections so difficult to treat? 2) Can Pneumocystis jiroveci

1) Why are fungal infections so difficult to treat? 2) Can Pneumocystis jiroveci be cultured in the laboratory? 3) Why has there been confusion surrounding the categorization of t…

1) Why are silicate rocks the most common on Earth? a. The most common minerals

1) Why are silicate rocks the most common on Earth? a. The most common minerals are silicates. b. Iron, oxygen, silicon and magnesium make up 91.2% of the Earth’s mass. c. Oxygen,…

1) Why are the mitochondria of diplomonads higly reduced? a) they did not origin

1) Why are the mitochondria of diplomonads higly reduced? a) they did not originate from a secondary endosymiont b) they don't function in aerobics respiration c) they are parasti…

1) Why is it beneficial for cells to use ATP rather than directly using the ener

1) Why is it beneficial for cells to use ATP rather than directly using the energy stored in the bonds of carbohydrates to power cellular reactions? What are the greatest drawback…

1) Why is it important to seek out natural antimicrobial products? _____________

1) Why is it important to seek out natural antimicrobial products? _____________________________________________________________________ 6) What is a “satellite colony” that you o…

1) Why is the gram stain technique more valuable than the simple stain technique

1) Why is the gram stain technique more valuable than the simple stain technique in a diagnostic laboratory? Under what circumstances might the simple stain be preferable to the G…

1) Why is the mass of the earth important to maintain life as we know it? A) If

1) Why is the mass of the earth important to maintain life as we know it? A) If the earth's mass were significantly different, we would be bombarded by cosmic rays that would stri…