Biology and Genetics
101624 questions • Page 205 / 2033
14. An investigator studying learning and memory classically conditions a rat to
14. An investigator studying learning and memory classically conditions a rat to salivate in response to a 10,000 Hz tone, paired with a tasty treat, while inside a training room.…
14. An ionic bond is most likely to form between: (INTERNET) 19. Which of the fo
14. An ionic bond is most likely to form between: (INTERNET) 19. Which of the following is an organic molecule? (INTERNET) a. Two negatively charged ions. b. Two positively charge…
14. Apoptosis can be initiated by which event? Cytochrome c release from mitocho
14. Apoptosis can be initiated by which event? Cytochrome c release from mitochondria Tyrosine kinase activation Ras activation p53 ubiquitinylation Enzyme release from lysosomes …
14. As students observe boiling water in a beaker on a hot plate, their teacher
14. As students observe boiling water in a beaker on a hot plate, their teacher asks them what gas is contained within the bubbles that form. The first stucdent answers, hydrogen.…
14. Assume you have isolated a relatively abundant protein, and you want to obta
14. Assume you have isolated a relatively abundant protein, and you want to obtain the amino acid sequence. You added dithiothreitol to the sample then did SDS-PAGE and found two …
14. Boston Free Press has a dividend policy whereby the firm pays a constant ann
14. Boston Free Press has a dividend policy whereby the firm pays a constant annual dividend of $2.40 per share of common stock. The firm has 1,000 shares of stock outstanding. Th…
14. Cells communicate with other cells over a wide range of distances, and the t
14. Cells communicate with other cells over a wide range of distances, and the type of signaling falls into one of four classifications based on the distance between the signaling…
14. Consider this human pedigree for a vision defect (ndividuals with a sash wer
14. Consider this human pedigree for a vision defect (ndividuals with a sash were not phenotyped); Z10 5 67 8 9 10 11 12 13 14 Which explanations for the genetic basis of the trai…
14. Considered the most important and lasting of the Sumerian accomplishments is
14. Considered the most important and lasting of the Sumerian accomplishments is/are a. ziggurats b. a law code. c. the development of writing. d. mathematics. e. a calendar 15. I…
14. Convert the number of drops at which the buffer stopped maintaining a nearly
14. Convert the number of drops at which the buffer stopped maintaining a nearly constant pH to the total buffering capacity. Multiply the number of drops by the conversion factor…
14. DNA fragments from a gel transferred to a paper during the procedure called
14. DNA fragments from a gel transferred to a paper during the procedure called Southern blotting. The purpose of trans the DNA from a gel to a nitrocellulose paper is to: Permane…
14. DNP (2,4-dinitrophenol) is a weight-loss agent used in the 1930s. It has sin
14. DNP (2,4-dinitrophenol) is a weight-loss agent used in the 1930s. It has since been removed from the market (though it is available online) because of serious side effects tha…
14. Doctors in a particular region of the country are inundated with patients wh
14. Doctors in a particular region of the country are inundated with patients who present with a flu-like disease that rapidly progresses in many cases to a fatal outcome. Epidemi…
14. Dr. Disney has been raising exotic fruit flies for decades. Recently, he dis
14. Dr. Disney has been raising exotic fruit flies for decades. Recently, he discovered a strain of fruit flies that in the recessive condition have baby blue eyes that he designa…
14. Elongation of newly synthesized tubulin fragments occurs in what direction?
14. Elongation of newly synthesized tubulin fragments occurs in what direction? A. Negative -) B. Neutral C. Positive (+) D. All of the above 15. Elements of the cytoskeletal netw…
14. Epidemiological clues to the cause of an infectious disease include statisti
14. Epidemiological clues to the cause of an infectious disease include statistics on: A. Age, geographic location, genetics, and sex of victim B. Rate and pattern of spread throu…
14. Evolutionary change of a trait in a population under the effect of selection
14. Evolutionary change of a trait in a population under the effect of selection can occur only when a) VE > 0 b) h2 > 0 c) h2 = 0 d) VE = 0 15. You examine b…
14. Explain the effects of high intake of poly unsaturated fatty acids on shelf
14. Explain the effects of high intake of poly unsaturated fatty acids on shelf life and processing quality of animal products. What is the function of lipoproteins? What is the p…
14. For the cells described in #12 and #13, calculate which one has the larger v
14. For the cells described in #12 and #13, calculate which one has the larger volume and show work for full credit 15. In the anatomy class you are taking, a lab instruction call…
14. Given the following notation for an electrochemical cell which one of the fo
14. Given the following notation for an electrochemical cell which one of the following chan cause an increase in the cell voltage? E"cell 0.34 V Pt(s) H2(1 atm) | H'(1 M) I1 Cu (…
14. Hoping to find the fountain of youth a friend of yours proposes to conduct a
14. Hoping to find the fountain of youth a friend of yours proposes to conduct a GWAS study to find variants that affect aging. He proposes to collect DNA from 2000 children and 2…
14. How many grams of KCI (79.50g/mol) are dissolved in i L to make a o.1 M anal
14. How many grams of KCI (79.50g/mol) are dissolved in i L to make a o.1 M analytical 0 concentration? a) 79.500g (b) 7.9500 g (c) 0.7950 g (d) 0.0080g 15. Which methods listed b…
14. Hummingbirds regularly go into periods of inactivity and lowered metabolism
14. Hummingbirds regularly go into periods of inactivity and lowered metabolism at night to save energy. This is an example of A. Hibernation B. Aestivation C. Torpor D. Metabolat…
14. If a breeder wanted to use a mitotic inhibitor (e.g., colchicine or oryzalin
14. If a breeder wanted to use a mitotic inhibitor (e.g., colchicine or oryzalin) to create an allotetraploid (AABB) sunflower that combines the diploid genomes of common sunflowe…
14. If a competitive inhibitor of enzyme x was added to the reaction graphed abo
14. If a competitive inhibitor of enzyme x was added to the reaction graphed above what would change a. Vmax would increase b. Km would increase c. The apparent substrate affinity…
14. If a met thr Hfr strain is mated with an F strain be detected by plating the
14. If a met thr Hfr strain is mated with an F strain be detected by plating the mixture on a) leucine b) threonine c) thiamine d) methionine e) minimal medium of genotype leu thi…
14. In Drosophila, a cross was made between females-all express- ing the three X
14. In Drosophila, a cross was made between females-all express- ing the three X-linked recessive traits scute bristles (sc), sable body (s), and vermilion eyes (v)-and wild-type …
14. In deciding which of two acids is the stronger, one must know: A) the concen
14. In deciding which of two acids is the stronger, one must know: A) the concentration of each acid solution B) the pH of each acid solution C) the equilibrium constant of each a…
14. In flowering plants a. b. the gametophytes are smaller than the sporophytes
14. In flowering plants a. b. the gametophytes are smaller than the sporophytes and do not nourish themselves. the gametophytes are smaller than the sporophytes but are free-livin…
14. In flowering plants the gametophytes are smaller than the sporophytes and do
14. In flowering plants the gametophytes are smaller than the sporophytes and do not nourish themselves. the gametophytes are smaller than the sporophytes but are free-living and …
14. In humans lactase is produced in the small intestine where the pH is between
14. In humans lactase is produced in the small intestine where the pH is between 7-8 and catalse is produced in tissues that have a pH around 7. Do you think these enzymes would f…
14. In humans lactase is produced in the small intestine where the pH is between
14. In humans lactase is produced in the small intestine where the pH is between 7-8 and catalse is produced in tissues that have a pH around 7. Do you think these enzymes would f…
14. In maize, the recessive genes su and sh (when homozygous) produce sugary and
14. In maize, the recessive genes su and sh (when homozygous) produce sugary and shrunken endosperm, respectively. Their dominant alleles Su and Sh produce normal starchy and full…
14. In the a-helical secondary structure, the amino acid side chains A. are buri
14. In the a-helical secondary structure, the amino acid side chains A. are buried in the interior of the helix 8 provide the hydrogen bonds that form the helix C. are typically p…
14. In the post-parental period, marital satisfaction tends to a) Increase. b) D
14. In the post-parental period, marital satisfaction tends to a) Increase. b) Decrease. c) Level off. 15. The vast majority of divorces occur a) Within the first year of marriage…
14. It is estimated that between one-fourth and one-half of the world’s plant an
14. It is estimated that between one-fourth and one-half of the world’s plant and animal species will suffer premature extinction by the end of this century.? a. True b. False 15.…
14. Kuru or Mad Cow Disease is an example of a disease caused by A. prions. B. p
14. Kuru or Mad Cow Disease is an example of a disease caused by A. prions. B. protozoa C. Bacteria D. Plasmodium falciparum 15. What is the major way fever helps fight infection?…
14. Light of 15. When light bends as it passes through an object,of the light ha
14. Light of 15. When light bends as it passes through an object,of the light has occurred. 16. Electron microscopes have a much better resolving power when compared to light micr…
14. Many commonly used antibiotics inhibit protein synthesis in bacteria. All of
14. Many commonly used antibiotics inhibit protein synthesis in bacteria. All of the following are true statements about this general class of antibiotics EXCEPT A) They target di…
14. Match the following molecules with its class of macromolecule: A. Proteirn B
14. Match the following molecules with its class of macromolecule: A. Proteirn B. Lipid C. Nucleic Acid D. Carbohydrate Keratin Cellulose DNA cholesterol glycogen collagen elastas…
14. Neuropilin 2 is a transmembrane receptor protein shown in the following figu
14. Neuropilin 2 is a transmembrane receptor protein shown in the following figure. Based on what you know about amino acid side chains, describe which groups of amino acids you e…
14. Ocean trenches: • • Are caused by divergence at divergent margins. • • Paral
14. Ocean trenches: • • Are caused by divergence at divergent margins. • • Parallel continents and island arc volcanoes. • • A…
14. Ocean trenches: • • Are caused by divergence at divergent margins. • • Paral
14. Ocean trenches: • • Are caused by divergence at divergent margins. • • Parallel continents and island arc volcanoes. • • A…
14. Oftentimes, an intracellular signaling protein contains both SH2 and PH doma
14. Oftentimes, an intracellular signaling protein contains both SH2 and PH domains. This allows the protein to: A. physically associate with other proteins as well as DNA. B. phy…
14. One finding of the Human Genome Project was that mutations in _____ can caus
14. One finding of the Human Genome Project was that mutations in _____ can cause mutations in distant regions of the genome, which can result in cancer. a. DNA repair genes …
14. Optional Challenge Question: In humans, there is a dominant allele that caus
14. Optional Challenge Question: In humans, there is a dominant allele that causes vitiligo, spots appear on the body. Also, there is a recessive allele for where small-unpigmente…
14. Ozone causes damage to (a) forests (b) fabrics (c) rubber (d) all of the abo
14. Ozone causes damage to (a) forests (b) fabrics (c) rubber (d) all of the above 15. Which of the following does not produce carbon monoxide (a) burning of charcoal (b) burning …
14. Paramecium cells are protists with no cell walls. Paramecium\'s internal osm
14. Paramecium cells are protists with no cell walls. Paramecium's internal osmolarity (solute concentration) of the cell is about 300 mosM/L. The osmolarity of freshwater is abou…
14. Photosynthetic organisms are found mainly in shallow water due to the availa
14. Photosynthetic organisms are found mainly in shallow water due to the availability of a. oxygen. b. nutrients. C. sunlight. d. salt 15. In the a. benthic b. eutrophic zone, aq…
14. Please give answers with detailed explanations. preferentially done by hand
14. Please give answers with detailed explanations. preferentially done by hand or on computer. Need ASAP and will rate ASAP. 35. Which of the following is a way in which transcri…
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