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【单选题】
四方晶系中, {111} 所代表的是:A.
斜方双锥
B.
八面体
C.
四方双锥
D.
四面体
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举一反三
【简答题】(visitar) ______ Hangzhou. (Recorrer)_______ sus ciudades y sus pueblos. (descansar) ______ en sus playas. (vivir) ______ unos días mágicos.
【单选题】¡Que dejen aquí sus sonrisas y amistades, pero no olviden sus objetos de valor!
A.
欢迎大家把微笑和友谊留下，但不要遗忘了你们的随身物品。
B.
欢迎大家把微笑和友谊留下，但不要遗忘了你们的贵重物品。
C.
欢迎大家把微笑和友谊留下，但不要遗忘了你们的日常物品。
【多选题】Which of the statements are wrong for Quantitative PCR using SYBR green?
A.
SYBR green is used which binds on single stranded DNA molecules
B.
SYBR green bind to double-stranded DNA
C.
The quantity of DNA is measured by measuring the amount of fluorescence of SYBR green
D.
SYBR green approach can quantify the target DNA products specifically.
【简答题】Which one is wrong about ρ factor:A. Rho is a ring-shaped single-stranded RNA binding protein, like SSB B. Rho binding can wrest the RNA from the polymerase-template complex using the energy from ATP ...
【简答题】Sus reuniones eran bimensuales y sus informes,________
【单选题】Single-stranded binding proteins (SSB) bind to the outer backbone of DNA during replication. What would you predict about SSBs?
A.
They contain arginine and lysine residues
B.
They hydrolyze phosphodiester bonds
C.
Sequence-specific binding
D.
They form covalent bonds to sugars
【单选题】Rollo would love to have a Mercedes. His preferences for consumption in the next year are represented by a utility function U (x; y) where x = 0 if he has no Mercedes and x = 1 if he has a Mercedes fo...
A.
5555.55
B.
5000
C.
12200
D.
9500
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