A. How many nucleotides would it take to construct the coding strand of the entire 146 amino acid globin molecule?B. How many nucleotides would it take to model this part of the DNA molecule?C. Do you think this is a complete DNA molecule (chromosome) or part of one? Explain.
A. High-mass b. Low-mass c. Moderately low-mass 6. Why doesnt a low-mass star ever evolve off of the main sequence? 7. Approximately how long will it take for a 0.5 solar-mass star to exhaust all of its hydrogen fuel and die? 8. Approximately how long does it take for a 1.0 solar-mass star to exhaust all of its hydrogen fuel and start evolving off of the main sequence?
The main types of fossil types are: tracks & trails, trace fossils, molds & casts, coprolites, and bones.
First, the definition of fossil according to dictionary.com is the remains, impression, or trace of a living thing of a former geologic age, as a skeleton, footprint, etc. Generally, any type living creature can become fossilized over the course of geologic time.
Typically when we think of , we think of shells, or corals, or dinosaur bones which have been buried and preserved in geologic strata. However, fossils are not limited to the skeletal remains. Other types of fossils include:
Which best describes the region in the continental United States that receives the FEWEST unauthorized immigrants?
Choose a hormone that has a role in menstruation and describe its function.
The leaders of 195 of the world’s countries met in Paris in December 2015 and reached an unprecedented agreement on how to address the growing threat of global climate change. This agreement has included some unique features that have made it possible for developing and developed countries to reach a compromise on a pathway to begin to address the critical concerns around fossil fuels and greenhouse gas emissions. This accord is the end result of 9 years of efforts on the part of the United Nations. Both scientists and leaders feel this is the world’s last best hope of striking a deal that will begin to avert the most devastating effects of a warming planet. (Davenport, 2015)
Completing this activity will assist you in mastering Module Level Outcome 3 and 4.
First, read the following:
Next, craft your response to the following questions and positions:
Your initial post responding to this assignment should be no shorter than 250 words. Include both in-text citations and complete APA style references for all the sources you used to inform your work. Once you have posted your own discussion response
Comet, planet, star, galaxy, universe.
There are some exceptions, like insanely big planets and surprisingly small stars, but yeah, this. Just don’t ask me where pulsars, quasars and nebulae fit in.
A mercury-water differential manometer, R’=740mm, is connected from the 100-mm-diameter suction pipe to the 80-mm-diameter discharge pipe of pump, as shown in the Figure. The centerline of the suction pipe is 330mm below the discharge pipe. For Q=3.42m3/ min of water, calculate the head developed by the pump. (ans: 13.19m)
The lithosphere is the outermost ‘sphere’ of the solid Earth, consisting of the crust and the upper part of the mantle.
The lithosphere is largely important because it is the area that the biosphere (the living things on earth) inhabit and live upon.
If it weren’t for the tectonic plates of the lithosphere there would be no change on Earth. Tectonic plates shift due to convection currents lower down in the mantle, and this can cause the formation of mountains, the eruption of volcanoes, and earthquakes. While this can be devastating in the short-run, long term benefits are the formation of new plant life, the creation of new habitats and encouraging adaptation.
It is also the source of almost all of our resources, and is rich in elements like iron, aluminium, calcium, copper and magnesium, which humans have used for tools and machinery for millennia.
When the biosphere interacts with the lithosphere, organic compounds can become buried in the crust, and dug up as oil, coal or natural gas that we can use for fuels.
In combination with the atmosphere and hydrosphere (water), it provides a stable source of nutrients for botanical life, which produce glucose that higher organisms use for sustenance.
Technological problems often have multiple solutions that involve different products and processes. All technological solutions or “fixes” have consequences.
A decision to use one approach or another involves looking at the risks and benefits of each.
Suppose a tanker truck, carrying a concentrated solution of sodium hydroxide destined for a pulp and paper company, crashes on the highway. Should this dangerous chemical spill be neutralized or diluted? Discuss the pros and cons for each proposed solution.
Read the article below about a similar crash situation. Which chemicals were being transported? Do you think it was safe to store these chemicals together? Why or why not?
Grass, J. (2015). 18-wheeler fire, chemical spill shuts down I-59/20, prompts evacuation. Alabama Media Group. Accessed at http://www.al.com/news/birmingham/index.ssf/2015/12/18-wheeler_wreck_hazmat_spill.html on December 1, 2016.
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