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Biological Evolution: Unity and Diversity

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Biological Evolution: Unity and Diversity: Microorganisms and Their Roles

๋ฐ•ํ…Œ๋ฆฌ์•„: ๋ฒˆ์‹

Description

๋ฐ•ํ…Œ๋ฆฌ์•„: ๋ฒˆ์‹

๋ฐ•ํ…Œ๋ฆฌ์•„๋Š” ์ฃผ๋กœ ์ด์› ๋ถ„์—ด์„ ํ†ตํ•ด ๋ฌด์„ฑ์ƒ์‹์„ ํ•˜๋Š”๋ฐ, ์ด ๊ณผ์ •์€ ์„ธํฌ๊ฐ€ ์ž์‹ ์˜ DNA๋ฅผ ๋ณต์ œํ•˜๊ณ  ์„ฑ์žฅํ•œ ๋’ค, ๋•Œ๋กœ๋Š” 10๋ถ„ ์ด๋‚ด์— ๋‘ ๊ฐœ์˜ ๋™์ผํ•œ ์„ธํฌ๋กœ ๋ถ„๋ฆฌ๋˜๋Š” ๊ณผ์ •์ž…๋‹ˆ๋‹ค. ์ด ๊ธ‰๊ฒฉํ•œ ๋ถ„์—ด์€ ๊ธฐํ•˜๊ธ‰์ˆ˜์ ์œผ๋กœ ์„ฑ์žฅํ•˜์—ฌ ํ•œ ์„ธํฌ๊ฐ€ ๋ช‡ ์‹œ๊ฐ„ ๋งŒ์— ์ˆ˜๋ฐฑ๋งŒ ๊ฐœ์˜ ์„ธํฌ๊ฐ€ ๋ฉ๋‹ˆ๋‹ค. ๋ฐ•ํ…Œ๋ฆฌ์•„๋Š” ๋ฒˆ์‹์„ ์œ„ํ•ด ๋™๋ฐ˜์ž๊ฐ€ ํ•„์š”ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ๋ฒˆ์‹์€ ๋ฌด์„ฑ์ƒ์‹์ด์ง€๋งŒ, ์ ‘ํ•ฉ(๋‹ค๋ฆฌ๋ฅผ ํ†ตํ•œ DNA ์ „๋‹ฌ), ๋ณ€ํ˜•(์ฃผ๋ณ€ DNA๋ฅผ ํก์ˆ˜), ์ „๋„(๋ฐ”์ด๋Ÿฌ์Šค๊ฐ€ DNA๋ฅผ ์ „๋‹ฌ)๋ฅผ ํ†ตํ•ด ์ ์‘ํ•˜๊ณ  ์ƒ์กดํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ๊ธฐ์ „๋“ค์€ ๋ฐ•ํ…Œ๋ฆฌ์•„๊ฐ€ ํ•ญ์ƒ์ œ์— ...

Transcript

์„ธ๊ท ์ด ์–ด๋–ป๊ฒŒ ๊ฐ์—ผ์œผ๋กœ ๋ณ€ํ•˜๋Š”์ง€ ๊ถ๊ธˆํ•ด ๋ณธ ์  ์žˆ๋‚˜์š”? ๊ทธ ์ด์œ ๋Š” ๋ฐ•ํ…Œ๋ฆฌ์•„์™€ ๊ฐ™์€ ์ผ๋ถ€ ์„ธ๊ท ์ด ๋น ๋ฅด๊ฒŒ ๋ฒˆ์‹ํ•˜๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.

๊ทธ๋“ค์€ ์ง์ด ํ•„์š” ์—†๊ณ  ๋ฌด์„ฑ ์ƒ์‹์œผ๋กœ ์Šค์Šค๋กœ ๋ฒˆ์‹ํ•ฉ๋‹ˆ๋‹ค.

๊ฐ€์žฅ ์ผ๋ฐ˜์ ์ธ ๋ฐฉ๋ฒ•์€ ์ด์› ๋ถ„์—ด๋กœ, ๋ฐ•ํ…Œ๋ฆฌ์•„๊ฐ€ ์ž์‹ ์˜ DNA๋ฅผ ๋ณต์ œํ•˜์—ฌ ์„ฑ์žฅํ•˜์—ฌ ๋‘ ๊ฐœ์˜ ๋™์ผํ•œ ์„ธํฌ๋กœ ๋ถ„์—ดํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด ๋Œ€์žฅ๊ท  ๊ฐ™์€ ๊ฒฝ์šฐ๋Š” 20๋ถ„ ์ด๋‚ด์— ์ด ์ž‘์—…์„ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์ด ๋น ๋ฅธ ๋ถ„์—ด ๋•๋ถ„์— ํ•œ ์„ธํฌ๊ฐ€ ๋ช‡ ์‹œ๊ฐ„ ๋งŒ์— ์ˆ˜๋ฐฑ๋งŒ ๊ฐœ๋กœ ๋Š˜์–ด๋‚˜๊ณ , ๊ทธ ์ˆ˜๋Š” ๊ณ„์† ๋‘ ๋ฐฐ๋กœ ๋Š˜์–ด๋‚ฉ๋‹ˆ๋‹ค.

๋ฐ•ํ…Œ๋ฆฌ์•„๋Š” ์„ฑ์ ์œผ๋กœ ๋ฒˆ์‹ํ•˜์ง€๋Š” ์•Š์ง€๋งŒ, ๋‹ค๋ฅธ ๋ฐฉ์‹์œผ๋กœ DNA๋ฅผ ๊ตํ™˜ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ...

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