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1. Describe the properties of water that make if invaluable to life as we know it.
2. Explain why the versatility of carbon is essential to life.
3. Describe the structure and biological function of carbohydrates, lipids, proteins, and nucleic acids; give examples of each.
4. Describe the four different types of protein configurations and give examples of each.
5. Explain what the Miller-Urey experiments contributed to modern theories of the origin of life.
6. List the three different energy sources that could have powered the creation of organic molecules early in Earth's history.
7. Define primary and secondary heterotrophs and autotrophs.
8. Distinguish between prokaryotes and eukaryotes.
9. Describe the Margulis proposal of the origin of eukaryotes from prokaryotes.
10. Explain the endosymbiotic theory
Biogas You may have heard of the use of cattle dung for production of biogas which is used for cooking. Water weeds like water hyacinth, water lettuce, salvinia, hydrilla, du
what is diastrophism and the theories of diastrophism?
#question.I AM TRAYING TO DO A SCIENCE PROJECT FOR 7TH GRADE BUT I DONT KNOW WHAT SHOULD I DO ?
Explain Inhibitory Factors Haemopoiesis may be inhibited by a decrease in the live1 of stimulatory growth factors. Generally there is a competition. No particular substance ca
Explain the Function of Saliva -Taste Food substances, mixed with saliva stimulate the taste buds. Saliva acts as a solvent and is essential for the sensation of taste.
Explain the Oxygen toxicity - Histotoxic Hypoxia Exposure to oxygen at increased pressure can produce a marked increase in the dissolved oxygen in blood. It produces toxic effe
Atomic energy: In view of the fast depletion of our non-renewable resources like coal and petroleum, and because of pollution which power stations burning coal cause, there h
Eye Injuries : The eyes are a particularly vulnerable part of your body. Safety glasses, goggles or a face shield are a 'must' for any experiment where there is any , danger of sp
Define the Electrolytes in Urine Electrolytes: Estimation of urine chloride, sodium, potassium is of significant importance when the electrolyte balance is disturbed.
TO LEARN THE USE OF A CARBON DIOXIDE FIRE EXTINGUISHER : All chemical laboratories should be provided with carbon dioxide and or dry chemical fire extinguishers. Carbon dioxide fi
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