The most common neuron type in the central nervous system is:中枢神经系统中最常见的神经元类型是:
A. multipolar.
B. bipolar.
C. unipolar.
D. pseudounipolar.
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Clusters of RER and free ribosomes in neurons are called:神经元中RER和游离核糖体的簇被称为:
A. perikaryon.
B. neurofilaments.
C. nissl bodies.
D. microglia.
E. neurofibrils.
The process of transcription involves the production of:转录的过程涉及到:
A. new amino acids.
B. a chain of amino acids from an mRNA template.
C. dNA from an mRNA template.
D. mRNA from a DNA template.
E. ribosomes in the nucleus.
During the process of translation, information carried in the mRNA is:在翻译过程中,mRNA所携带的信息是:
A. copied to the tRNA molecule.
B. turned into DN
C. decoded into a protein.
D. used to manufacture ribosomal RN
E. delivered to the nucleolus.
True or False? Nucleosomes consist of DNA wrapped twice around a group of proteins called histones.核小体是由dna包裹在一组叫做组蛋白的蛋白质上的DNA组成的。
A. TRUE
B. FALSE