题目内容

Bacterial flagella is composed of several parts（）

A. Flagella
B. Hair follicle
C. Matrix
D. Hook sheath
E. Fiber tube

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Use _____ when observing the shape of bacterial capsule（）

A. Insert method
B. Printing method
C. Water immersion method
D. Negative staining

The content used by prokaryotic cells to store carbon sources is ___（）

A. Poly-β-hydroxybutyric acid
B. Sulfur drops
C. Metachromatic grain
D. Plasmid

The following ___ is a structure unique to prokaryotic cells（）

A. Mitochondria
B. Nuclear
C. Intermediate
D. Cell membrane
E. Spore

The common forms of bacterial cells are ____（）

A. Spherical
B. Ring
C. Spiral
D. Rod shape
E. Cylindrical