Oparin-Haldane hypothesis. The Oparin-Haldane hypothesis is named after the two scientists; <span>Russian scientist Aleksandr Oparin and English scientist J. B. S. Haldane. The two scientists separately hypothesized that life began when some inorganic molecules were converted into organic molecules specifically amino acids by the help of energy came from a lightning struck.</span>
Answer: a tiny muscle connected to each hair follicle and the skin. When it contracts it causes the hair to stand erect, and a "goosebump" forms on the skin.
Answer:
The difference is due to the succeeding vowel sound strength (whether it is weak or strong)
Explanation:
"ch" produces "k" like sound. Whenever , alphabet "c" with in any word comes before any weak vowel sound such as i or e , it always sound as "ch".
Therefore, c and ch in gioco and giochi are sound similar.
"sc" sounds like "sh" when it comes before any weak vowel sound (as in the case of capisci)
"sc" sounds like "sk" when it comes before any strong vowel sound (as in the case of capisco)
Answer:
In fixation, the first stage of the Calvin cycle, light-independent reactions are initiated; CO2 is fixed from an inorganic to an organic molecule. In the second stage, ATP and NADPH are used to reduce 3-PGA into G3P; then ATP and NADPH are converted to ADP and NADP +, respectively.
Explanation:
