N连接的糖基化中,寡糖链连接在哪一种氨基酸上()
A.天冬酰胺
B.天冬氨酸
C.苏氨酸
D.酪氨酸
E.丝氨酸
参考答案:A
读句子,判断图片的对(√)错(×)。
( ) 1. I took pictures last holiday.
( ) 2. He is going to climb mountains.
( ) 3. They often play football after school.
( ) 4. We go to Beijing by train.
( ) 5. My mother saw bears last weekend.
CPU暂停现行程序而转去响应中断请求的过程称为 【7】 。