Biology and Genetics
101624 questions • Page 1788 / 2033
Why is climate change a national security issue? Question 8 options: a. melting
Why is climate change a national security issue? Question 8 options: a. melting glaciers threaten coastal communities. b. melting glaciers threaten food supplies. c. melting glaci…
Why is color vision deficiency more common in men than in women? A)It depends on
Why is color vision deficiency more common in men than in women? A)It depends on a recessive gene on the X chromosome. It depends on a recessive gene on the Y chromosome. On avera…
Why is combination drug therapy for HIV/AIDs less likely to lead to resistance t
Why is combination drug therapy for HIV/AIDs less likely to lead to resistance than single drug therapy? There are fewer side effects associated with combination drug therapy, and…
Why is conflict a global health concern? a. How are people affected by conflict
Why is conflict a global health concern? a. How are people affected by conflict within their country or in a war with other countries? What are common negative health outcomes for…
Why is delta S negative when a nonpolar molecule such as limonene is dissolved i
Why is delta S negative when a nonpolar molecule such as limonene is dissolved in water? In solid NaCl, both the sodium and chloride ions in an field. Frozen water (ice) also form…
Why is energy from light required for water to serve as an electron donor? a. Hy
Why is energy from light required for water to serve as an electron donor? a. Hydrogen bonding among water molecules interferes with electron donation until the molecules are exci…
Why is ethylene blue (or iodine) necessary when preparing the cheek cell slide?
Why is ethylene blue (or iodine) necessary when preparing the cheek cell slide? Why it not used for the slide? Describe the shape of the plant cell. The light microscope used in t…
Why is important to have replicates in a scientific study? .\'ll AT&T; 11:17 PM
Why is important to have replicates in a scientific study? .'ll AT&T; 11:17 PM clayton.view.usg.edu is a yeast species that has catalase enzymes to protect it from toxic bypro…
Why is insulin produced by genetically engineered E. coli cells superior to insu
Why is insulin produced by genetically engineered E. coli cells superior to insulin obtained from animal sources? 0 a. Animal insulin is more difficult to purify than recombinantl…
Why is interaction frequency important for coevolution? a. Species need to inter
Why is interaction frequency important for coevolution? a. Species need to interact infrequently in order for the interaction itself to be important enough to drive coevolution b.…
Why is ion homeostasis a challenge for aquatic animals? Pick the correct answer.
Why is ion homeostasis a challenge for aquatic animals? Pick the correct answer. A. Dissolved carbon dioxide levels are often saturated, which creates fissures in the skin. B. Aqu…
Why is it advantageous for some farmers to obtain water from a groundwater sourc
Why is it advantageous for some farmers to obtain water from a groundwater source, rather than other sources? What are some of the disadvantages? What eects could groundwater harv…
Why is it better to use a pipet large enough to be filled once when dispensing a
Why is it better to use a pipet large enough to be filled once when dispensing a given amount of liquid instead of a smaller pipette that must be filled multiple times in order to…
Why is it difficult to justify the use of a placebo control in a trial in which
Why is it difficult to justify the use of a placebo control in a trial in which a "standard-of-care" therapy already exists? Why is a placebo control easier to justify in trials i…
Why is it hard to do lithostratigraphic correlation over large distances? ? why?
Why is it hard to do lithostratigraphic correlation over large distances? ? why?is it hard to do magnetostratigraphic correlation over large distances? How did absolute age dating…
Why is it helpful to include both positive and negative controls in an experimen
Why is it helpful to include both positive and negative controls in an experiment? Imagine you test a material using Lugol's reagent. If this test is negative what can you say abo…
Why is it important for a neuron to maintain a membrane potential instead of all
Why is it important for a neuron to maintain a membrane potential instead of allowing ions to reach equal concentrations on the two sides of the membrane? Maintaining equilibrium …
Why is it important for arteries to be compliant? a:This allows gas exchange acr
Why is it important for arteries to be compliant? a:This allows gas exchange across their membranes. b: They must be able to move as the body and heart moves c: They have to stret…
Why is it important for determining the function of a membrane protein to know i
Why is it important for determining the function of a membrane protein to know if it spans the bilayer or appears only on one face of the membrane? As part of your answer give thr…
Why is it important for people to understand how evolution works (including the
Why is it important for people to understand how evolution works (including the processes that drive it such as natural selection or other microevolutionary forces)? Answer this q…
Why is it important for peptidoglycan precursors to be sufficiently hydrophobic
Why is it important for peptidoglycan precursors to be sufficiently hydrophobic in order to cross the cell membrane? A) No materials can cross the membrane without assistance from…
Why is it important to consider population genetics? Natural selection can incre
Why is it important to consider population genetics? Natural selection can increase genetic diversity. Accurate assessment of a person's ethnicity can be identified from DNA. Dise…
Why is it important to consider the age structure of a human population? What is
Why is it important to consider the age structure of a human population? What is the general "shape" of the age structure of the U.S. population? (Select from a pyramid, an invert…
Why is it important to have an antibiotic resistance gene in the cloning plasmid
Why is it important to have an antibiotic resistance gene in the cloning plasmid? a. It makes the bacteria resistant to the antibiotic. b. It makes the bacteria produce more clone…
Why is it important to inoculate only a single tube per organism when performing
Why is it important to inoculate only a single tube per organism when performing the MRVP tests? ___________________ During lab, your lab partner bumps into you, jostling your arm…
Why is it important to use ddH2O in your Master Mix, rather than dH2O or tap wat
Why is it important to use ddH2O in your Master Mix, rather than dH2O or tap water? What is the purpose of positive and negative amplification controls? How is a negative amplific…
Why is it important to use the “beads only” as correction factors? Predict the c
Why is it important to use the “beads only” as correction factors? Predict the change in rate of cellular respiration of an endotherm, such as a human, when subjected to a tempera…
Why is it likely that life, should it exist elsewhere in the universe than just
Why is it likely that life, should it exist elsewhere in the universe than just on Earth, would be based on carbon chemistry? A: Carbon combines more readily than other atoms with…
Why is it necessary for the stomach contents to be acidic? Answer: How does the
Why is it necessary for the stomach contents to be acidic? Answer: How does the stomach protect itself from digestion? Answer: Small Intestine Microanatomy Answer: a. Describe thr…
Why is it necessary to boil the probe before you use it in your southern blot? (
Why is it necessary to boil the probe before you use it in your southern blot? (b) (3 points) How did you make the DNA strands on the gel single stranded? (c) (3 points) What is t…
Why is it necessary to chelate the metal ions from solution during the boiling/l
Why is it necessary to chelate the metal ions from solution during the boiling/lysis step at 100C? What would happen if you did not use a chelating agent such as the InstaGene mat…
Why is it necessary to couple some biochemical reactions to the hydrolysis of AT
Why is it necessary to couple some biochemical reactions to the hydrolysis of ATP (for example, in the synthesis of glutamine from glutamic acid)? Question 4 options: A) the coupl…
Why is it necessary to have a primer on each side of the DNA segment to be ampli
Why is it necessary to have a primer on each side of the DNA segment to be amplified? How did taq DNA polymerase acquire its name? Why are there nucleotides (A, T, G and C) in the…
Why is it necessary to survey a large number of individuals to study multiple al
Why is it necessary to survey a large number of individuals to study multiple alleles? A) A large number of crosses must be carried out to determine the mode of inheritance. B) Mu…
Why is it reasonable to assume that helix nucleation is a purely entropic event?
Why is it reasonable to assume that helix nucleation is a purely entropic event? Select one: a. Nucleation is accompanied by a big increase in translational entropy b. Nucleation …
Why is it recommended that you use the broth (regardless of medium) with the mos
Why is it recommended that you use the broth (regardless of medium) with the most growth to serve as the "standard" for scoring a "3"? (3 for adundant growth) Why is it important …
Why is it significant that many antibiotic resistance genes are found on the loo
Why is it significant that many antibiotic resistance genes are found on the loops of DNA (mini-chromosomes) called plasmids? 1. Plasmids can be passed among cells—allowing rapid …
Why is it so challenging to develop highly effective, safe and specific treatmen
Why is it so challenging to develop highly effective, safe and specific treatments for viral diseases? Use specific examples from 3 different virus families when formulating your …
Why is it that a carrot plant can express a bacterial gene? a. because the bacte
Why is it that a carrot plant can express a bacterial gene? a. because the bacterial gene hijacks the carrot's cellularmachinery b. because the genetic code is the same in bothorg…
Why is it that communities are the primary settings for public health/health pro
Why is it that communities are the primary settings for public health/health promotion interventions? How is a virtual community similar or dissimilar to a geographic or place-bas…
Why is it that thousands of weak bonds (hydrogen bonds) make such stable and spe
Why is it that thousands of weak bonds (hydrogen bonds) make such stable and specific structural arrangements? Identity TRUE statements Multiple answers: You can select more than …
Why is it tolerable that the error frequency in RNA synthesis is 10 4 - 10 6 tim
Why is it tolerable that the error frequency in RNA synthesis is 104 - 106 times higher than that for DNA synthesis? Because most genes are transcribed many times, most nucleotide…
Why is liquid water believed to be essential to the development of life on a pla
Why is liquid water believed to be essential to the development of life on a planet or other body? A: liquid water provides an electricity conducting medium in which lighting curr…
Why is my IV green? Solubility is a property of mixtures with far reaching effec
Why is my IV green? Solubility is a property of mixtures with far reaching effects in biology, medicine, and other technical fields. Research the causes and effects of IV (intrave…
Why is my faeces black in colour the morning after I eat some Oreos? Day 1 : Eat
Why is my faeces black in colour the morning after I eat some Oreos? Day 1 : Eat a handful of Oreos & the next morning your stool is black. Day 3 : Eat a handful of cocoa flav…
Why is nutrient agar used as a medium? How is a bacterial colony formed.? Why ar
Why is nutrient agar used as a medium? How is a bacterial colony formed.? Why are Petri dishes inverted during incubation? What does aseptic mean? Why is aseptic technique necessa…
Why is nutrition education so important in our society? Name the two theories wh
Why is nutrition education so important in our society? Name the two theories which attempt to explain the origin of life on Eath. List the characteristics of life. 1 Define the f…
Why is only one strand of DNA transcribed into mRNA? a. Because mRNA is only req
Why is only one strand of DNA transcribed into mRNA? a. Because mRNA is only required in small quantities b. Because the other strand would produce the same amino acid sequence in…
Why is osteoporosis generally associated with older adults? What disrupts the no
Why is osteoporosis generally associated with older adults? What disrupts the normal equilibrium between bone deposition and bone resorption? Thank you for posting on the South Be…
Why is paper and cane sugar stable at room temp in the presence of oxygen (O2)?
Why is paper and cane sugar stable at room temp in the presence of oxygen (O2)? Why is paper and cane sugar stable at room temp in the presence of oxygen (O2)? Why is paper and ca…
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