Physical elements at time of origin of life
Specify the physical elements which have contributed to the great amount of the available energy over the primitive earth during the time of origin of life?
Expert
3.5 billion years ago, water cycle was faster than today, resulting in hard storms having the intense electrical discharges. There was also no chemical protection from ozone layer against the ultraviolet radiation. The temperatures within the atmosphere and over the planet surface were very high. Electricity, radiation and the heat constitutes the large available energy sources.
Assume in downtown Chicago the equilibrium rent for two-bedroom apartment is $900 per month. The city council decides to place price ceiling on apartments and will not permit landlords to charge more than $700 per month. Draw this condition using a graph. E
Specify the limitations of handling long datatypes?
Explain what is western blotting?
What is a cross-reaction? Briefly state it.
Specify the location of myosin and actin molecules within the sarcomere before and during the contraction of muscle?
How different are the concepts of the resting potential, action potential and excitation threshold concerning neurons?
Write down the differentiation between fat-soluble and water-soluble vitamins? Why can fat-soluble vitamins cause injury when ingested in high amount?
Since pepsin is gastric enzyme does it encompass acid or basic optimum pH? What takes place to pepsin when it passes in duodenum?
What is the function of vitellus in vertebrate egg? How are such eggs categorized according to the quantity of vitellus in them?
How embryos of placental mammals excrete the nitrogen wastes?
18,76,764
1943599 Asked
3,689
Active Tutors
1429433
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!