Struktur Sel Kel 1

STRUKTUR SEL

Kelompok 1

Mieke Alvionita (100331404559)Nurina Maulida (100331404577)

Mochammad Zainul A. (100331404543)

Pengertian Sel

Sel merupakan satuan struktural dan fungsional terkecil dari makhluk hidup.

Sel melakukan semua proses kehidupan.

Bagian Utama Sel

Membran sel Sitoplasma Inti

Tiga bagian utama sel

Membran Sel

Membran sel (=membran plasma) merupakan lapisan tipis yang menutupi sel

Fungsi : melindungi bagian dalam sel, regulasi transport nutrisi

Membran sel

Sitoplasma

Sitoplasma : bagian dalam sel, selain nukleus

Sitosol : bagian di luar organel sel

Inti

Bentuk bulat Mengontrol semua

aktivitas dan reproduksi sel

Terdapat DNA yang berisi informasi untuk menjalankan aktivitas sel

Sel Hewan dan Tanaman

Summary of differences

Prokaryotic CellsProkaryotic Cells Eukaryotic cellsEukaryotic cellssmall cells (< 5 mm)small cells (< 5 mm) larger cells (> 10 mm)larger cells (> 10 mm)

always unicellularalways unicellular often multicellularoften multicellularno nucleus or any membrane-no nucleus or any membrane-

bound organellesbound organellesalways have nucleus and other always have nucleus and other

membrane-bound organellesmembrane-bound organellesDNA is circular, without proteinsDNA is circular, without proteins DNA is linear and associated with DNA is linear and associated with

proteins to form chromatinproteins to form chromatinribosomes are small (70S)ribosomes are small (70S) ribosomes are large (80S)ribosomes are large (80S)

no cytoskeletonno cytoskeleton always has a cytoskeletonalways has a cytoskeleton

cell division is by binary fissioncell division is by binary fission cell division is by mitosis or cell division is by mitosis or meiosismeiosis

reproduction is always asexualreproduction is always asexual reproduction is asexual or sexualreproduction is asexual or sexual

Eukaryotic cells

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