A:肺炎双球菌能够利用人体细胞的核糖体合成自身的蛋白质
B:蛋白质是生命活动的主要承担者,一般是细胞内含量最多的有机物
C:所有蛋白质都在核糖体上合成,然后经内质网和高尔基体加工才具有一定的功能
D:蛋白质结构和功能的多样性是生物多样性的根本原因
A lot of people like sports. And some love 1 very much. An elephant can also 2basketball. There is an elephant. Its 3is Toktak. He 4 strong and cute. Many people like 5. Do you know 6? Because 7his free time, Toktak often plays basketball with his long trunk(象鼻). He 8the sport very much. The basketball looks like a toy to Toktak. It is 9to watch Toktak playing basketball. Do you like the elephant? Let's 10him in the zoo. I think you can have fun there.