【单选题】底物浓度对酶促反应速度的影响,以下说法正确的是()
A.
如果其他条件恒定,则底物浓度与酶促反应速度成正比关系。
B.
如果其他条件恒定,则在低底物浓度时,与反应速度成正比。
【单选题】The offer is firm subject ________ before October 1.
A.
for your reply reaches us
B.
for your reply reaching us
D.
to your reply reaching us
【单选题】The offer is firm subject ____ before October 1.
A.
for your reply reaches us
B.
for your reply reaching us
C.
to our receiving your reply
D.
to your reply arriving at us
【简答题】The offer is firm _______ for 10days The offer is firm _______ october 5 The offer is firm _______ your reply by 5p.m., our time, Friday,October 3
【单选题】The offer is firm subject before October 1.
A.
for your reply reaches us
B.
for your reply reaching us
C.
to we receive your reply
D.
to your reply reaching us