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87901
()在实验室中主要作微生物生理、代谢等研究之用。
87902
()用于菌种分离、鉴定,菌落计数,选种、育种和菌种保藏。
87903
为避免由于微生物生长繁殖过程中产物造成的培养基pH变化,可采用()进行调节。
87904
下列为酵母菌培养基的是()。
87905
根据培养基上菌落颜色不同而鉴别大肠杆菌的培养基是()。
87906
半固体培养基中琼脂的含量一般为()。
87907
下列物质可用作生长因子的是()
87908
微生物分离和培养正确方法步骤是()
87909
放线菌的菌丝按形态和功能分为孢子丝、气生菌丝、营养菌丝。
87910
真菌主要包括两大类,为酵母菌和霉菌。
87911
病毒可用普通显微镜进行观测。
87912
后生动物为单细胞动物,如轮虫、线虫等。
87913
病毒无细胞结构,只含有DNA或RNA和蛋白质壳体。
87914
真菌不能进行光合作用,靠寄生或腐生方式生活的真核微生物。
87915
鞭毛虫是污水处理效果好的指示性生物。
87916
放线菌为多细胞微生物
87917
革兰氏阳性菌的细胞壁较厚,阴性菌的细胞壁较薄。
87918
细菌属于单细胞原核微生物,没有真正的细胞核。
87919
革兰氏阳性菌通过革兰氏染色后为红色,阴性菌为蓝紫色。
87920
普通显微镜的放大倍数一般在40~1000倍之间。
87921
下列()不是细胞膜的主要功能。
87922
可以增强细菌对化学消毒剂、辐射的抵抗力的是()
87923
按照形态和大小,细菌分为()。
87924
原生动物感觉的细胞器为()。
87925
病毒的繁殖方式为()。
87926
()在污水处理和水体自净中可起到积极作用,但过度繁殖会引起水华。
87927
轮虫是河流()的指示性物种。
87928
大多数抗生素可由()生产。
87929
革兰氏阳性菌通过革兰氏染色后的颜色是()。
87930
革兰氏阳性细菌与革兰氏阴性细菌最大区别是()。
87931
属于细菌细胞基本结构的是()。
87932
所用的微生物生命活动几乎都在()进行的。
87933
()是不具有细胞结构的微生物。
87934
微生物的干物质主要由无机物和有机物组成,其中无机物占()。
87935
微生物主要由水分和干物质组成,其中水分占()。
87936
细菌染色法和固体培养基应用的奠基人是()
87937
已知大肠埃希氏杆菌,种名Coli,属名Escherichia,则其正确的命名是()。
87938
微生物命名的一般形式()。
87939
自然界碳循环过程,()参与有机物转化成二氧化碳的过程。
87940
下列()不是柯赫的贡献。
87941
微生物分类系统中,()是最基本分类单位。
87942
真正看见并描述微生物的第一人是()。
87943
Baylisascaris schroederi is a soil-transmitted parasite.
87944
The giant pandas baylisascariasis only occurs in wild and captive population of China.
87945
The giant panda Chorioptes panda infection mostly happens in the late spring or early autumn.
87946
The possible parasitic sites of Baylisascaris schroederi adults in giant pandas include ()
87947
The common diagnostic approaches of the giant panda Chorioptes panda include ()
87948
The harms Baylisascaris schroederi pose to giant pandas include ()
87949
The infective stage of Baylisascaris schroederi is ()
87950
The time for a complete lifecycle of Chorioptes panda is ()
87951
The time for a complete lifecycle of Baylisascaris schroederi is ()
87952
Babesia gibsoni can be transmitted through the tick egg.
87953
The infection and incidence season of Babesia canis is basically the same as the activity season of the vector tick.
87954
Most of Babesia canis are double pear-shaped in red blood cells.
87955
Dogs with heartworm infection are often accompanied by nodular skin diseases.
87956
Ivermectin has preferable effectiveness on killing or inhibiting the larvae of various stages of heartworms.
87957
Dogs raised indoors have a higher rate of the heartworm disease than that of dogs raised outdoors.
87958
The adult flea can locate the host according to the temperature and carbon dioxide.
87959
The pupa stage is not included in the lifecycle of the flea.
87960
Fleas have no strict host specificity.
87961
The diagnosis of cat mange requires the detection of mite bodies or eggs in the crust of the affected part of the infected animal.
87962
Otodectes mites are black.
87963
The mites of Notoedres live in the ear canals of cats.
87964
The number of Babesia gibsoni can parasitize in one red blood cell is()
87965
The approaches to diagnose Babesia include()
87966
The main clinical symptoms of Babesia in dogs include()
87967
The most common symptoms of cat heartworm disease are()
87968
Before developing into adults, the fourth-stage larvae of heartworm caninei migrate to the host’s()
87969
The intermediate host that is necessary for the development of microfilaria is()
87970
The lifecycle of Ctenocephalides includes()
87971
The main host species harmed by dog and cat fleas are()
87972
The most common fleas from Ctenocephalides are()
87973
When infected by Otodectes mite,the common symptoms of cat in the ear canal are()
87974
The prevalent season for cat Otodectes mite infection is()
87975
The main pathogens that cause cat mange are()
87976
The target gene for PCR molecular detection in canine Babesia is()
87977
Babesia gibsonis is distributed in()
87978
The transmission vector of Babesia gibsoni is()
87979
The factor affecting the infection rate of the heartworm disease is()
87980
The optimal method for detecting microfilaria is()
87981
The number of papillae surrounding the mouth of the heartworm is()
87982
After flea bites dogs and cats, the most obvious symptom of skin is()
87983
Fleas bite dogs and cats and mainly feed on()
87984
The common detection method for dog and cat fleas is()
87985
The commonly used drug for the treatment of cat mange is()
87986
The main infection route of the cat mange is()
87987
The lifecycle of Notoedres and Otodectes mites do not include()
87988
Rabbit Psoroptes mostly occurs in winter and early spring.
87989
Adult mites of Psoroptes is smaller than adult mites of Sarcoptes.
87990
Rabbit mange of can be infected and spread by contact.
87991
The preventive drugs of avian coccidiosis include ivermectin, maduramicin ammonium premix and diclazuril premix etc.
87992
Prevention of avian coccidiosis could be achieved by drug prevention and vaccine immunization.
87993
The development of Dermanyssus gallinae belongs to complete metamorphosis.
87994
Dermanyssus gallinae can bite farm workers, causing dermatitis and pruritus.
87995
It would be difficult to prevent and control pig ascariasis but clearance of Ascaris suum eggs in the surrounding is a key step.
87996
Ascaris suum and Ascaris lumbricoides may be a same species.
87997
Ascaris suum is a soil-transmitted parasite.
87998
Porcine coccidiosis caused by Isospora suis mainly occurs in piglets ranged from one to three months.
87999
An oocyst of Isospora suis contains 2 sporocysts, each containing 4 sporozoites.
88000
Sarcoptic mange is a chronic wasting disease.
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