Login ¡¡ ¢· ¢¹ ¡¡ Mobile II
Hint Food ¸À°úÇâ Diet Health ºÒ·®Áö½Ä ÀÚ¿¬°úÇÐ My Book À¯Æ©ºê Frims ¿ø ·á Á¦ Ç° Update Site

¿øÃÊ ¡í ÁøÈ­ ¡í ¿ø½Ã»ý¸í

ÁøÈ­ÀÇ ¹æÇâ : °øÅ뼺ÀÇ À¯Áö(À¯Áöºñ Àý°¨)

ÁøÈ­ÀÇ ¹æÇâ :  ÃÖÃÊ »ý¸í ,  ¿Ïº®ÇÑ ÁøÈ­´Â ¾ø´Ù
- °øÅ뼺ÀÇ À¯Áö(À¯Áöºñ Àý°¨)
- »ý¸íÀÇ ¸ðµâ¼º
- Â÷º°È­ & ÀÚ¿¬¼±ÅÃ

Biologists are almost certain that eukaryotes evolved from prokaryotes because:

1. Both use RNA and DNA are the genetic material
2. Both use the same 20 amino acids
3. Both have ribosomes and DNA and RNA
4. Both have a lipid bilayer cell membrane.
5. Both use L amino acids and D sugars

Biologists are also almost certain that eukaryotes evolved only once (i.e., are monophyletic- descendants of a single common ancestor) because they all share:

1. microtubules (composed of the protein tubulin) and actin molecules-
   cytoskeleton for support or intracellular transport. flagella (or cilia)
2. DNA in chromosomes (intertwined with histone protein)
3. membrane-bound organelles.

Â÷º°È­

ÃÖ¼ÒÀÇ »ý¸í ¹°ÁúÁß¿¡ Fe¿Í S°¡ °¨¼ÒÇÑ ÀÌÀ¯´Â ¹«¾úÀϱî

öºÐÀÌ ¾Ï¼¼Æ÷ Áõ½ÄÀÇ Key ¿ø·á±âµµ ÇÏ°í Ç÷»öÁõ ȯÀÚ°¡ ¿ªº´¿¡ °­Çß´Ù ÀÚ·á°í
ȲÇÔÀ¯ ¾Æ¹Ì³ë»êÀº ½Ã½ºÅ×Àΰú ¸ÞÄ¡¿À´Ñ 2Á¾¸¸ ³²¾Ò°í ÇÔ·®µµ Àû°í

±¸¿üÀ»¶§ °í±â³¿¼¼ÀÇ ÁÖÀΰøÀε¥


ÆäÀ̽ººÏ       ¹æ¸í·Ï      ¼öÁ¤ 2011-09-16 / µî·Ï 2011-08-18 / Á¶È¸ : 13122 (517)



¿ì¸®ÀÇ °Ç°­À» ÇØÄ¡´Â ºÒ·®Áö½ÄÀÌ ¾ø´Â ¾Æ¸§´Ù¿î ¼¼»óÀ» ²Þ²Ù¸ç ...  2009.12  ÃÖ³«¾ð


¡¡