After a protein is synthesised in a ribosome:在核糖体中合成蛋白质后：
A. a transport vesicle may carry it to the Golgi apparatus.
B. a secretory vesicle carries it to the Golgi apparatus.
C. a transport vesicle carries it to a lysosome.
D. a secretory vesicle carries it to the plasma membrane.
E. the small and large ribosomal subunits join together.
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Which of the following statements about DNA is false?下列关于dna的陈述是假的吗？
A. DNA is located in the nucleus.
B. DNA is double-stranded.
C. DNA contains base triplets.
DNA binds to ribosomes.
E. DNA is required for transcription.
The subunits of the ribosome are:核糖体的亚基是：
A. produced in the nucleolus.
B. produced in the cytoplasm.
C. the site of transcription.
D. where RNA polymerase is located.
E. produced in areas of euchromatin.
Connexons form a passageway between cells which allow communication to occur. Connexons在细胞间形成通道，使通信得以发生。
A. TRUE
B. FALSE
Connexons are found in tight junctions. Connexons是在紧密的连接处被发现的。
A. TRUE
B. FALSE
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