Biology and Genetics
101624 questions • Page 268 / 2033
27) In a tracheostomy procedure, an incision is made through which structure? A)
27) In a tracheostomy procedure, an incision is made through which structure? A) carina B) cricoid cartilage C) anterior tracheal wall D) right primary bronchus E) posterior trach…
27) Masses of myelinated nerve fibers appear A) gray. B) white. C) yellow D) bro
27) Masses of myelinated nerve fibers appear A) gray. B) white. C) yellow D) brown E) transparent 28) Which of the following link(s) the cerebral hemispheres with the brain stem? …
27) The Hawaian islands formed as a result of a. an oceanic-oceanic plate collis
27) The Hawaian islands formed as a result of a. an oceanic-oceanic plate collision b. a rising plume of magma from the mantle called a hot spot C. a continental-oceanic plate col…
27) The issue that racial and ethnic minorities face unusually high exposure is
27) The issue that racial and ethnic minorities face unusually high exposure is a central argument to to environmental hazards B) Environmental justice C) Urban renewal D) Sustain…
27) Which of the following could NOT set up an electrochemical gradient? A) H+ p
27) Which of the following could NOT set up an electrochemical gradient? A) H+ pump in plants B) Electron transport chain C) Channel proteins D) Na+/K+ pump in animals 28) An anim…
27) if an algae living inside their ascocarp hosts provides carbon for the ascoc
27) if an algae living inside their ascocarp hosts provides carbon for the ascocarp, then algae can be proproly considered to be 1. parasites. 2. mutualists. 3. commensals. 4 symb…
27)Local inflammation and fever in whooping cough may be due to the release of:
27)Local inflammation and fever in whooping cough may be due to the release of: a) Exotoxins b) Endotoxins c) Extracellular enzymes d) Only A and B above e) None of the above 28)T…
27, In a chi-square goodness of fit analysis, what is the null hypothesis? A) It
27, In a chi-square goodness of fit analysis, what is the null hypothesis? A) It is likely that the difference between observed and expected values predicted by the model arise by…
27, Pre-eclampsia is accompanied by a. elevated blood pressure b. proteinuria c.
27, Pre-eclampsia is accompanied by a. elevated blood pressure b. proteinuria c. A and B 28. Rh incompatibility between mother and fetus may result in . a. Down syndrome b. erythr…
27, Where is deusity stratification least pronounced (almost absent b polar lati
27, Where is deusity stratification least pronounced (almost absent b polar latitudes 28, what is not a characteristic of western boundary currents? warm water poleward b. They ar…
27- The structure that is hormone mature lymphocytes is: a- Pineal gland. 28- Th
27- The structure that is hormone mature lymphocytes is: a- Pineal gland. 28- The longest vein in the human body is: a- Great Saphenous Vein. b- R/L Brachiocephalic Veins 29- Whic…
27-30 Enrichment techniques are a common method in culture-dependent study of mi
27-30 Enrichment techniques are a common method in culture-dependent study of microorganisms Consider the following enrichment experiment used to isolate nitrogen-fixing bacteria.…
27-During oxidative phosphorylation in an aerobic bacterium, the protons that ar
27-During oxidative phosphorylation in an aerobic bacterium, the protons that are pmpod coenzymes are being oxidined initially accumulate a. In the extracellular space b. In the p…
27-During oxidative phosphorylation in an aerobic bacterium, the protons that ar
27-During oxidative phosphorylation in an aerobic bacterium, the protons that are pumped as coenzymes are being oxidized initially accumulate a. In the extracellular space. b. In …
27-IP3 binds calcium channel on a. plasma membranes b. intracellular membranes.
27-IP3 binds calcium channel on a. plasma membranes b. intracellular membranes. d. ER membranes. e. lysosomes 28- The nitric oxide (NO) receptor is a. A GPCR b. An RTK c. A Nuclea…
27. (7 pts) Shown below are the equilibrium reactions for an important buffer us
27. (7 pts) Shown below are the equilibrium reactions for an important buffer used to maintaining pH homeostasis in the blood. (moreMess) H+ concentration than pH 4. as needed a. …
27. A 58-year-old man with chronic congestive heart failure requires ongoing hyd
27. A 58-year-old man with chronic congestive heart failure requires ongoing hydrochlorothiazide therapy. His monthly serum profile shows persistent hypokalemia. The most appropri…
27. A chromosome contains alleles forblue eyes and blond hair. After meiosis the
27. A chromosome contains alleles forblue eyes and blond hair. After meiosis the same chromosomecontains alleles for blue eyes and brown hair. The chromosome isNOW said to be A. h…
27. A molecule that undergoes reduction a. becomes phosphorylated b. loses a hyd
27. A molecule that undergoes reduction a. becomes phosphorylated b. loses a hydrogen atom c. gains one or more electrons d. loses one or more electrons 28. Aerobic and anaerobic …
27. A molecule that undergoes reduction a. becomes phosphorylated b. loses a hyd
27. A molecule that undergoes reduction a. becomes phosphorylated b. loses a hydrogen atom c. gains one or more electrons d. loses one or more electrons 28. Aerobic and anaerobic …
27. A nurse is caring for a client who has acute heart failure and is receiving
27. A nurse is caring for a client who has acute heart failure and is receiving furosemide via IV bolus. The nurse should identify that which of the following findings indicates a…
27. A partial peptide sequence for the wild type and four mutant alleles of gene
27. A partial peptide sequence for the wild type and four mutant alleles of gene, PETI,are shown below. Each mutant was caused by a single point mutation. Using the amino acid seq…
27. A partial peptide sequence for the wild type and four mutant alleles of gene
27. A partial peptide sequence for the wild type and four mutant alleles of gene, PETI,are shown below. Each mutant was caused by a single point mutation. Using the amino acid seq…
27. According to the authors of The BellL Cure: a. all government affirmative ac
27. According to the authors of The BellL Cure: a. all government affirmative action b. people with low IQs should be under constant surveillance to prevent criminal acivity progr…
27. An intron can be a. a region of DNA that is not transcribed b. an integral p
27. An intron can be a. a region of DNA that is not transcribed b. an integral part of a ribosome C. an inverted repeat in a gene's upstream region d. a region of DNA that is not …
27. At the biochemical level, why does a carnitine deficiency lead to increased
27. At the biochemical level, why does a carnitine deficiency lead to increased fat deposition in the liver? A. In the absence of carnitine, the liver stores large amounts of glyc…
27. Axoneme structure is assembled from nine triplets of microtubules b. central
27. Axoneme structure is assembled from nine triplets of microtubules b. central pair of singlet microtubules a c. nine doublet fibers of microtubules plus central doublet d. micr…
27. Contractile vacuoles function to remove excess water in amoeba and parameca
27. Contractile vacuoles function to remove excess water in amoeba and parameca A) True B) False 28. The male sex organ in moss is known as the archegonium; the female sex organ i…
27. Each species has characteristic chromosome number and most of their cells ha
27. Each species has characteristic chromosome number and most of their cells have complete set of these chromosomes. However in the life cycle of humans only sperm and eggs have …
27. Enlarged leaves of the Eventually, over many generations, humans have oreate
27. Enlarged leaves of the Eventually, over many generations, humans have oreated a new species were artificially selected for by humans that makes leaves that A Garden Pea B. Mus…
27. Fill the table below Milk Interpolated Dilution Calculated Dilutions [ ] Fac
27. Fill the table below Milk Interpolated Dilution Calculated Dilutions [ ] Factor …
27. Freshwater Cnidaria and Porifera include: a. nematodes and jellyfish b. jell
27. Freshwater Cnidaria and Porifera include: a. nematodes and jellyfish b. jellyfish and hydras c. sponges and jellyfish d. bryozoans and jellyfish e. sponges and bryozoans 28. T…
27. H-bonds…. a. hold hydrophobic portions of integral proteins in bilipid layer
27. H-bonds…. a. hold hydrophobic portions of integral proteins in bilipid layers b. cause the polarity of water molecules c. increase th…
27. Heterozygous Cp cp chickens express a condition called creeper, in which the
27. Heterozygous Cp cp chickens express a condition called creeper, in which the leg and wing bone are shorter than normal (cp cp). The dominant Cp allele is lethal when homozygou…
27. How are viroids transmitted? 28. Prokaryotes living in the occan around volc
27. How are viroids transmitted? 28. Prokaryotes living in the occan around volcanic vents use the volcanic gasses carbon dioxide (CO2) and hydrogen sulfide (125) to fuel their me…
27. In the male, the hormone _____ stimulates the secretion of testosterone from
27. In the male, the hormone _____ stimulates the secretion of testosterone from ______. a. LH ; interstitial leydig cells b. ACTH; nurse cells c. thyroid hormones epidid…
27. Non-protein organic molecule makes enzyme functional 28. Inorganic ion part
27. Non-protein organic molecule makes enzyme functional 28. Inorganic ion part makes enzyme functional 29. Inhibition by occupation of active site 30. Inhibition by joining a sit…
27. Roughly how many amino acids are there in one turn of an helix? a. 1 b. 2.8
27. Roughly how many amino acids are there in one turn of an helix? a. 1 b. 2.8 c. 3.6 d. 4.2 e. 10 28. The formation of a peptide bond between two amino acids is an example of a(…
27. Some of the drugs used to treat HIV patients are competitive inhibitors of t
27. Some of the drugs used to treat HIV patients are competitive inhibitors of the HIV reverse transcriptase enzyme. Unfortunately, the high mutation rate of HIV means that the vi…
27. Studies using micro arrays have the benefit that a. they are automated b. th
27. Studies using micro arrays have the benefit that a. they are automated b. they are quantitative c. they examine thousands of genes simultaneously d. they do everything on the …
27. The form of cancer that affects the lining of the chest cavity, and is attri
27. The form of cancer that affects the lining of the chest cavity, and is attributed to exposure to asbestos, is known as: 31. Many women took this sedative early in pregnancy re…
27. The left side of the head is drain by the a. left lymphatic duct b. right ly
27. The left side of the head is drain by the a. left lymphatic duct b. right lymphatic duct c. thoracic duct d. axillary node 28. The direction of…
27. The net products of the entire Q cycle are: A. QH2. 2 H\'p pumped to the N-s
27. The net products of the entire Q cycle are: A. QH2. 2 H'p pumped to the N-side, & 2 oxidized cytochrome c B. Q, 4 C. D. QH2. 4H' pumped to N-side, & 2 reduced cytochro…
27. These are partially melted snowflakes that refreeze before striking the grou
27. These are partially melted snowflakes that refreeze before striking the ground as ice particles (a) Snow (b) Freezing Rain (c) Sleet (d) Hail Answer questions 28 through 31 us…
27. Two phases are considered to be in mutual equilibrium (A) both are at their
27. Two phases are considered to be in mutual equilibrium (A) both are at their critical temperatures. (B) the mole fractions of all components are the same in each phase. (C) the…
27. What is the difference between \"free\" ribosomes and \"attached\" ribosomes
27. What is the difference between "free" ribosomes and "attached" ribosomes? Free ribosomes are found floating within vesicles, whereas attached ribosomes are found anchored to t…
27. What range of hours of sleep is recommended in order to prolong a person\'s
27. What range of hours of sleep is recommended in order to prolong a person's life? a. No less than 5 hrs of sleep to no more than 9 hrs of sleep in one night b. 8 hrs minimum, c…
27. Where do enzymes come from? a. enzymes are a type of protei so they come fro
27. Where do enzymes come from? a. enzymes are a type of protei so they come from ribosomes b. enzymes are a type of protein so they come from the nucleus c. enzymes are segments …
27. Where in the cell does the Kreb\'s Cycle occurthmitochondrion a. stroma of t
27. Where in the cell does the Kreb's Cycle occurthmitochondrion a. stroma of the chloroplast c. cristae of the mitochondrion d. cytoplasm b. matrix of the 28. How much ATP is for…
27. Which of the following biological polymers is associated with the monomer A)
27. Which of the following biological polymers is associated with the monomer A) DNA -nucleotide B) Cellulose- amino acid C) Enzyme - amino acid Protein-amino acid E) RNA-Nucleoti…
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