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知道智慧树答案 
1、单选题：
The key step of Gram staining is ____
选项：
A: Crystal Violet First Stain
B: Iodine Mordant
C: Alcohol decolorization
D: Saffron counterstain
答案: 【 Alcohol decolorization】
2、单选题：
The content used by prokaryotic cells to store carbon sources is ___
选项：
A: Poly-β-hydroxybutyric acid
B: Sulfur drops
C: Metachromatic grain
D: Plasmid
答案: 【 Poly-β-hydroxybutyric acid】
3、单选题：
Spores are bacterial ___
选项：
A: Propagule
B: Dormant body
C: Inclusion body
D: Symbiont
答案: 【 Dormant body】
4、单选题：
Use _____ when observing the shape of bacterial capsule
选项：
A: Insert method
B: Printing method
C: Water immersion method
D: Negative staining
答案: 【 Negative staining】
5、单选题：
The arrangement of ____ cells is often used as one of the basis for classification
选项：
A: Vibrio
B: Bacillus
C: Spirobacterium
D: Coccus
答案: 【 Coccus】
6、单选题：
The cell shape of ___ is spherical.
选项：
A: Escherichia
B: Bacillus
C: Staphylococcus
D: Vibrio
答案: 【 Staphylococcus】
7、多选题：
The following ___ is a structure unique to prokaryotic cells.
选项：
A: Mitochondria
B: Nuclear
C: Intermediate
D: Cell membrane
E: Spore
答案: 【 Nuclear;
Intermediate;
Spore】
8、多选题：
The common forms of bacterial cells are ____
选项：
A: Spherical
B: Ring
C: Spiral
D: Rod shape
E: Cylindrical
答案: 【 Spherical;
Spiral;
Rod shape】
9、多选题：
The characteristic structure of the gram-negative cell wall includes ____
选项：
A: Peptidoglycan
B: Teichoic acid
C: Outer layer
D: Lipopolysaccharide
E: Inner wall layer
答案: 【 Outer layer;
Lipopolysaccharide;
Inner wall layer】
10、多选题：
The contents of prokaryotic cells are ____
选项：
A: Mitochondria
B: Chromophore
C: Golgi
D: Carboxysome
E: Chloroplast
答案: 【 Chromophore;
Carboxysome】
11、多选题：
The following ____ is the function of the bacterial capsule.
选项：
A: Store carbon sources
B: Store phosphorus
C: Store energy
D: Anti-drying
E: Anti-chemical agents
答案: 【 Store carbon sources;
Store energy;
Anti-drying】
12、多选题：
Bacterial flagella is composed of several parts?
选项：
A: Flagella
B: Hair follicle
C: Matrix
D: Hook sheath
E: Fiber tube
答案: 【 Flagella;
Matrix;
Hook sheath】
13、判断题：
The peptidoglycan of the cell wall of gram-positive bacteria is more cross-linked than that of negative bacteria.
选项：
A: 正确
B: 错误
答案: 【 正确】
14、判断题：
Gram-positive bacteria have thicker cell walls than negative bacteria, so they are more resistant to antibiotics.
选项：
A: 正确
B: 错误
答案: 【 错误】
15、判断题：
Flagella and fimbriae are the motor organs of bacteria.
选项：
A: 正确
B: 错误
答案: 【 错误】
16、判断题：
Gram-positive bacteria and negative bacteria have the same flagella structure.
选项：
A: 正确
B: 错误
答案: 【 错误】
17、判断题：
The bacterial capsule can enhance the pathogenic ability of pathogenic bacteria.
选项：
A: 正确
B: 错误
答案: 【 正确】
18、判断题：
Plasmid is not the genetic material necessary for survival in microbial cells. Under normal circumstances, whether it is acquired or lost does not affect the survival of microorganisms.
选项：
A: 正确
B: 错误
答案: 【 正确】
1、单选题：
Among the following types of microorganisms, those that are not eukaryotic microorganisms are ().
选项：
A: Fungus
B: Microalgae
C: Protozoa
D: Cyanobacteria
答案: 【 Cyanobacteria】
2、单选题：
Golgi apparatus is an organelle in eukaryotic cells, which is found in fungi ().
选项：
A: Universal
B: Rarely found
C: Not found yet
D: Does not exist
答案: 【 Universal】
3、单选题：
In each structure of chloroplast, the actual part of photosynthesis is ().
选项：
A: Basal particles
B: Matrix
C: Thylakoid
D: Stromal thylakoid
答案: 【 Thylakoid】
4、单选题：
The characteristic suitable for all microorganisms is ().
选项：
A: They are multicellular
B: Cell has obvious nucleus
C: Can only be observed with a microscope
D: Can perform photosynthesis
答案: 【 Can only be observed with a microscope】
5、单选题：
The vegetative spores of Rhizopus are ().
选项：
A: Conidia
B: Cyst spores
C: Powder spores
D: Chlamydospore
答案: 【 Cyst spores】
6、单选题：
The main feature of Zygomycotina is ().
选项：
A: Hyphae are not separated, and sexual reproduction produces conjugative spores
B: Mycelium is septum, sexual reproduction produces conjugative spores
C: Mycelium is septum, sexual reproduction produces oospores
D: Mycelium is septum, sexual reproduction produces ascospores
答案: 【 Hyphae are not separated, and sexual reproduction produces conjugative spores】
7、判断题：
Mold is a common name for a type of prokaryotes that can form mycelium.
选项：
A: 正确
B: 错误
答案: 【 错误】
8、判断题：
Fungi are typical eukaryotic microorganisms that do not contain chloroplasts, chemical energy organic nutrients, have true nuclei, contain mitochondria, reproduce by spores, and do not move.
选项：
A: 正确
B: 错误
答案: 【 正确】
9、判断题：
Mitochondria in eukaryotic microbial cells are organelles for energy metabolism.
选项：
A: 正确
B: 错误
答案: 【 正确】
10、判断题：
The primary hyphae of basidiomycetes germinate from basidiomycetes, and the secondary hyphae develop from primary hyphae.
选项：
A: 正确
B: 错误
答案: 【 正确】
11、判断题：
It is currently believed that the main route of fungal evolution is: flagella→chytrid→ascomycete→zygote→basidiomycete.
选项：
A: 正确
B: 错误
答案: 【 错误】
12、判断题：
The highest group of fungi is Basidiomycetes.
选项：
A: 正确
B: 错误
答案: 【 正确】
1、单选题：
The genetic material of T4 phage is ().
选项：
A: Double-stranded DNA
B: Single-stranded DNA
C: Negative strand RNA
D: Positive strand RNA
答案: 【 Double-stranded DNA】
2、单选题：
The T4 phage receptor on the surface of E. coli cells is ().
选项：
A: Peptidoglycan
B: Glycine pentapeptide
C: Teichoic acid
D: Lipopolysaccharide
答案: 【 Lipopolysaccharide】
3、单选题：
After the virulent phage invades the host cell, there is usually no () process.
选项：
A: Biosynthesis
B: Shelling
C: Assembly (assembly)
D: Release
答案: 【 Shelling】
4、单选题：
The time required for the phage to be adsorbed on the cell surface until the infected cell releases a new phage is ().
选项：
A: Incubation period
B: Cryptic period
C: Lysis period
D: Balance period
答案: 【 Incubation period】
5、单选题：
The key factor that determines the host specificity of a phage lies in the process ().
选项：
A: Adsorption
B: Invade
C: Biosynthesis
D: Assembly
答案: 【 Adsorption】
6、单选题：
The form of T4 phage is ().
选项：
A: Spherical
B: Tadpole
C: Linear
D: Rod-shaped
答案: 【 Tadpole】
7、多选题：
The characteristics of lysogenic bacteria are ().
选项：
A: Cleavable
B: Immunity
C: Lysogenic transformation
D: Recoverable
答案: 【 Cleavable;
Immunity;
Lysogenic transformation;
Recoverable】
8、多选题：
Among the following phages are mild phages ().
选项：
A: λ-phage
B: Mu-phage
C: T3-phage
D: P1-phage
答案: 【 λ-phage;
Mu-phage;
P1-phage】
9、多选题：
Which of the following components can be recognized by phages as receptors for Escherichia coli? ().
选项：
A: Lipopolysaccharide
B: Peptidoglycan
C: Flagellum
D: Pili
答案: 【 Lipopolysaccharide;
Flagellum;
Pili】
10、判断题：
Lambda phage is a mild phage that can randomly insert into bacterial chromosomes after invading E. coli cells.
选项：
A: 正确
B: 错误
答案: 【 错误】
11、判断题：
The incubation period of a phage refers to the time required for the phage to be adsorbed on the cell surface to the start of the synthesis of new phage in the infected cell.
选项：
A: 正确
B: 错误
答案: 【 错误】
12、判断题：
T4 phage relies on the lysozyme in the tail to dissolve the host cell wall, and then inject DNA into the host cell through the contraction of the tail sheath.
选项：
A: 正确
B: 错误
答案: 【 正确】
13、判断题：
Lysogenic bacteria can recover from the loss of the original phage, or enter the lysis cycle and finally the cell lysis and death.
选项：
A: 正确
B: 错误
答案: 【 正确】
14、判断题：
After T4 phage invades the host cell, it relies on its own RNA polymerase for RNA transcription.
选项：
A: 正确
B: 错误
答案: 【 错误】
1、单选题：
According to the purpose of the medium, the basic medium commonly used to cultivate actinomycetes is ().
选项：
A: Potato Sucrose Medium
B: Beef extract peptone medium
C: Gao’s Medium One
D: Martin-Bengal medium
答案: 【 Gao’s Medium One】
2、单选题：
The role of
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