问题
单项选择题
酶的提取是（）的技术过程。
A、从含酶物料中分离获得所需酶
B、从含酶溶液中分离获得所需酶
C、使胞内酶从含酶物料中充分溶解到溶剂或者溶液中
D、使酶从含酶物料中充分溶解到溶剂或者溶液中
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
酶的提取是（）的技术过程。
A、从含酶物料中分离获得所需酶
B、从含酶溶液中分离获得所需酶
C、使胞内酶从含酶物料中充分溶解到溶剂或者溶液中
D、使酶从含酶物料中充分溶解到溶剂或者溶液中
参考答案：D
Welcome to Happy Days Club. It is a great place to keep healthy. It has great fun and is very exciting.
A. keep healthy B. enjoy music C. play volleyball 小题2:If you want to play basketball , you can call _______. A. 375-4753 B.375-4789 C.375-4766 小题3:You can take the dancing class at ________. A.8:00 a.m. B.1:00 p.m. C.3:00 p.m. 小题4:If a child wants to have more friends, he or she can go to _______. A. Swimming pool B. Ball Game Center C. Kids Club 小题5:There are _______ different clubs in the club. A. three B. four C. five | ||||||||||||||