Biology and Genetics

What prediction does the chemical evolution hypothesis make? Molecules with carb

What prediction does the chemical evolution hypothesis make? Molecules with carbon-carbon bonds will form. A self-replicating macromolecule cannot exist? all need interaction with…

What pressure is needed to move water from the soil to the top of an 80-meter ta

What pressure is needed to move water from the soil to the top of an 80-meter tall tree? If the tree above transpires 1000 liters of water a day, how many vessels are needed to ge…

What prevented the shear ram in the Deepwater Horizon BOP from completely stoppi

What prevented the shear ram in the Deepwater Horizon BOP from completely stopping the uncontrolled upward flow of fluids in the annulus of the well? a. The blind shear ram did no…

What prevents oocyte to enter M phase? I am working on a meiotic cell division u

What prevents oocyte to enter M phase? I am working on a meiotic cell division using Xenopus oocyte. I have taken some genomic DNA and after shearing it through a needle, coated a…

What prevents ribonucleotides from being incorporated into the growing DNA stran

What prevents ribonucleotides from being incorporated into the growing DNA strand during replication of the genome? In what aspect of replication are ribonucleotides used, and wha…

What primers (forward and backward) are needed to amplify the gene \"x\" in ques

What primers (forward and backward) are needed to amplify the gene "x" in question? in the organism? Why? 6) You wish to amplify gene X from the chromosome shown below. Provide th…

What principle best explains why continental crust is much older (around 4 billi

What principle best explains why continental crust is much older (around 4 billion years) compared to oceanic crust (200 million years)? State and explain the concept. What princi…

What probability of success determines whether a treatment is worth undertaking

What probability of success determines whether a treatment is worth undertaking (a question of odds), and what quality of outcome is worth undertaking a treatment (a question of e…

What problems arise when a species is introduced from a foreign ecosystem? How d

What problems arise when a species is introduced from a foreign ecosystem? How do these problems occur? Give four categories of consumers in an ecosystem and the role that each pl…

What problems does it create when healthcare professionals \"enter management wi

What problems does it create when healthcare professionals "enter management with little or no preparation for running a department or supervising others?" Explain the dual role (…

What process is the researcher intending to detect with the use of these restric

What process is the researcher intending to detect with the use of these restriction enzymes? Select all that apply. a. mutations that create new SmaI recognition sites b. mutatio…

What process must occur for an igneous rock to turn into a sedimentary rock? a.

What process must occur for an igneous rock to turn into a sedimentary rock? a. metamorphism c. melting b. erosion d. petrogenesis Why is the rock cycle important? a. because it d…

What process prevents Cyclin from lingering around in a cell? A) It is no longer

What process prevents Cyclin from lingering around in a cell? A) It is no longer made B) It is actively chewed up by in the cell C) It is bound to other proteins like P16 D) None …

What process was developed to supplement bread and milk products in an effort to

What process was developed to supplement bread and milk products in an effort to curb rickets? Food irrigation Pasteurization Fortification Food irradiation Which of the following…

What properties of IF monomers distinguish them from the monomers that make up M

What properties of IF monomers distinguish them from the monomers that make up MFs or MTs? a) They bind to each other covalently. b) They are fibrous rather than globular proteins…

What properties would you expect to find in membrane proteins embedded in this m

What properties would you expect to find in membrane proteins embedded in this membrane? Drag the terms (or genotypes, etc.) on the left to the appropriate blanks on the right to …

What property of RNA enables some RNA molecules to function as enzymes? A- The p

What property of RNA enables some RNA molecules to function as enzymes? A- The presence of functional groups in some of the bases in RNA. RNA can be single stranded yet can also f…

What property of the phospholipid bilayer allows proteins to move laterally in t

What property of the phospholipid bilayer allows proteins to move laterally in the membrane? Question 9 options: phospholipids and proteins are attracted to each other phospholipi…

What property of water was best demonstrated in the Bond film showing that water

What property of water was best demonstrated in the Bond film showing that water interacts with the thus allows the poison to move down the string A) Adhesion B) Cohesion C) Surfa…

What proportion of progeny from this cross are expected be late-blooming, purple

What proportion of progeny from this cross are expected be late-blooming, purple-leaved, round eggplant-bearing, tall-stemmed pants? explain this answer to me because I don't know…

What proteins are crucial for creating and maintaining DNA replication forks? Ch

What proteins are crucial for creating and maintaining DNA replication forks? Choose the best explanation. Question 5 options: Helicase creates the replication fork; primase keeps…

What purpose does a control group serve in an experiment? Select one: o a. It en

What purpose does a control group serve in an experiment? Select one: o a. It ensures that people in the experiment are behaving or performing as expected o b. It provides a group…

What reaction is being catalyzed in this experiment? What is the enzyme in this

What reaction is being catalyzed in this experiment? What is the enzyme in this experiment? What is the substrate? What is the independent variable in this experiment? What is the…

What recommendations would you make to ensure that the electronic health record

What recommendations would you make to ensure that the electronic health record could successfully provide data capable of meeting public health’s requirements and needs? Support …

What region of the thiolase protein contains the peroxisomal targeting sequence?

What region of the thiolase protein contains the peroxisomal targeting sequence? Explain your answer. ? 2.) Acetylcholine binds to a GPCR on heart muscle, making the heart beat mo…

What regions of the eye does light pass THROUGH TISSUE on its way to the photore

What regions of the eye does light pass THROUGH TISSUE on its way to the photoreceptors? You will be given a list, select all that apply. Match the muscle types of the eye and orb…

What relationship can be determined from the following information: . The radioa

What relationship can be determined from the following information: . The radioactive isotope iodine 131 has a half-life of 8.1 days and emits 0.8 MeV (milli-electronvolts) of ene…

What relative fractions of the estimated 3.0 degrees Celsius warming for a doubl

What relative fractions of the estimated 3.0 degrees Celsius warming for a doubling of the CO2 are caused by the radiative effects of greenhouse gases and by feedbacks within the …

What resources are available In the free online learning center website created

What resources are available In the free online learning center website created by your textbook? What study technique helps students learn better than some alternatives, accordin…

What resources do you utilize to help you feel prepared and confident on your fi

What resources do you utilize to help you feel prepared and confident on your final exams?* This is the part you're being graded on! Responses should be less than 150 words. What …

What responsibilities do we, as humans, have to other species? How do the extinc

What responsibilities do we, as humans, have to other species? How do the extinctions of other creatures affect humans directly and indirectly? Should people give up gains in orde…

What river in the US has the largest discharge? What rivers are major tributarie

What river in the US has the largest discharge? What rivers are major tributaries to the Mississippi River? How does topography and relief affect drainage basins / watersheds? Loc…

What rock layer in column 4 would be the same age in column 2. How do you know?

What rock layer in column 4 would be the same age in column 2. How do you know? The Crinoid is 340 million years old, the ammonite is 125 million years old. How old is layer X C. …

What role do CFCs play in the catalytic destruction of ozone? A. Ozone is destro

What role do CFCs play in the catalytic destruction of ozone? A. Ozone is destroyed upon binding to a CFC molecule that has been energized by ultraviolet light. B. There is no str…

What role do birds play in the transmission of the West Nile virus? What insect

What role do birds play in the transmission of the West Nile virus? What insect is the vector? How is hepatitis B transmitted, and which occupational group is at greatest risk of …

What role do birds play in the transmission of the West Nile virus? What insect

What role do birds play in the transmission of the West Nile virus? What insect is the vector? How is hepatitis B transmitted, and which occupational group is at greatest risk of …

What role do cAMP and CAP play in transcription of lac operon genes? A) CAP bind

What role do cAMP and CAP play in transcription of lac operon genes? A) CAP binds the CAP binding site of the lac promoter to carry out negative control of operon gene transcripti…

What role do streams play in the hydrologic cycle? A. they control the rate of t

What role do streams play in the hydrologic cycle? A. they control the rate of transpiration B. they carry runoff downhill C. they pressurize groundwater D. they control the kind …

What role do telomeres and telomerase play in cancer progression? Telomeres are

What role do telomeres and telomerase play in cancer progression? Telomeres are needed for the chromosome fusions that often occur in cancer cells, so telomerase must be reactivat…

What role does immunity play when caring for a patient that is experiencing a hi

What role does immunity play when caring for a patient that is experiencing a high amount of stress due to a loss? Please make an initial post by midweek, and respond to at least …

What role does mitosis play in cancer? Describe: homologous chromosome, duplicat

What role does mitosis play in cancer? Describe: homologous chromosome, duplicated chromosome chromatid, centromere, tetrad. Define the difference between an autosome and a sex ch…

What role does the seafloor play in the growth of the continents How does the an

What role does the seafloor play in the growth of the continents How does the angle of subduction affect the evolution of the overlying plate? How does the sediment on the seafloo…

What roles do membranes play in a cell? What are cell membranes composed of? Wha

What roles do membranes play in a cell? What are cell membranes composed of? What is a lipid? What are some examples of lipids? What does amphipathic mean? What are the structure …

What roles does Norepinephrine perform in the brain and body? What problems can

What roles does Norepinephrine perform in the brain and body? What problems can result from an imbalance for Norepinephrine? What licit and illicit drugs affect Norepinephrine? In…

What scenario best illustrates the process of natural selection? a population of

What scenario best illustrates the process of natural selection? a population of mosquitoes develops resistance to a pesticide. a chameleon's color changes to brown as it sits on …

What script was associated with the Mycenean civilization? Question 2 options: L

What script was associated with the Mycenean civilization? Question 2 options: Linear A Linear B Devanagari Elvish Save In mythology, how was Ares regarded by the other gods? Ques…

What sequence or sequences directly control translation in bacteria? Question op

What sequence or sequences directly control translation in bacteria? Question options: cap, start codon, stop codon. enhancers, silencers, operator, promoter, polyadenylation sign…

What sexual selection is; the two general strategies that living things might us

What sexual selection is; the two general strategies that living things might use to achieve reproductive success. How the relative numbers of male and female individuals affect t…

What should I recommend as a nurse for the diagnosis of this patient? Case study

What should I recommend as a nurse for the diagnosis of this patient? Case study Initial history: 62-year-old white, postmenopausal woman Presents for annual examination after “ca…

What should happen to the absorbance of the solutions from the vial containing w

What should happen to the absorbance of the solutions from the vial containing weredthe black worm and the control vial at 550 nm? of 1 estion Select one: a. The absorbance of the…