某学者欲研究被石油污染过的土壤中细菌数量并从中筛选出能分解石油的细菌下列操作错误的是a.利用平板划线法对细菌进行计数b.以石油为唯一碳源的 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com






Try and sketch some of theseCrew cut, Pizza, Crop, Torch, Vampire, Amoebas, Bikini, Books, Grog, Dessert cart, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #380


anonymous
anonymous
sketch #5157


anonymous
anonymous
sketch #1169 ENJOY IT!!!!!!!! OH NO EAT IT OR IT WILL MELT!!!!! :0


anonymous
anonymous
sketch #3659 Portrait by Mari Falcsik


anonymous
anonymous
sketch #4953 Bird by Ervin Haxhija


anonymous
anonymous
sketch #2899 Snoopy by Rhemzkian Esturco


anonymous
anonymous
sketch #4937 Favorite animal competition runner-up: White Tiger by Deepak Kaushik


anonymous
anonymous
sketch #5095 Lion by Frederic Knauer


anonymous
anonymous
sketch #1110


Pascal Quéru
sketch #2479 C 'est qui ? Un rasta qui a manger trop de poulpe farcis. ? Un vieux chanteur de blue grass ? Najdica tomktoo ? A vous de me dire...


anonymous
anonymous
sketch #5117


Jose Rondon
sketch #2772 Merry Christmas from Victor Montecinos Jose Rondon


anonymous
anonymous
sketch #5174


anonymous
anonymous
sketch #4522 Adventure Time by KiNg Buamir


sketchmaster
sketch #2457 cool beans brother


anonymous
anonymous
sketch #5149 Daenerys Targaryen by Jorge Valero


anonymous
anonymous
sketch #4370 Breaking Bad


anonymous
anonymous
sketch #3871


El Harouati Nassera
sketch #2810 Lennon by El Harouati Nassera


anonymous
anonymous
sketch #2554


anonymous
anonymous
sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister


anonymous
anonymous
sketch #2989 Little Chibi by Loai Issa


anonymous
anonymous
sketch #4393 ant


anonymous
anonymous
sketch #3459 BLUE from fosters imagenary friends


Na Ruro
sketch #2797 Homer by Na Ruro


anonymous
anonymous
sketch #4685 Dave Mustaine by Erika Ishikawa


anonymous
anonymous
sketch #4916


anonymous
anonymous
sketch #5140 Jigsaw by Lajla Nygaard Laursen

tomski某学者欲研究被石油污染过的土壤中细菌数量并从中筛选出能分解石油的细菌下列操作错误的是a.利用平板划线法对细菌进行计数b.以石油为唯一碳源的 coloring