英语翻译1.Match the definitions to the terms which refer to the

英语翻译
1.Match the definitions to the terms which refer to the organization of genetic material in bacteria.
A\x05Regulatory Factor
B\x05Operon
C\x05Regulatory Gene
D\x05Promoter
E\x05Structural Gene
F\x05Operator
A sequence of DNA that encodes the information needed to direct the synthesis of a protein.
A sequence of DNA that acts as the site where RNA polymerase binds and begins transcription.
A protein that binds to a specific sequence of nucleotides in a molecule of DNA and controls the transcription of nearby genes.
A sequence of DNA where a protein can bind and control the expression of near-by genes.
A sequence of DNA encoding information needed to direct the synthesis of a protein that is involved in controlling the expression of other genes.
A group of genes that are physically next to each other on the chromosome and expressed as a unit.
2.Genetic Recombination in Bacteria
MATCH the terms regarding the exchange of DNA in bacteria with the descriptions.
A\x05transduction
B\x05plasmid
C\x05transformation
D\x05conjugation
E\x05chromosome
F\x05transposon
A bacterial cell takes up naked DNA from the environment and new genes are acquired.
A bacterial cell is infected by a phage particle that contains DNA from a previous host.
DNA moves from a donor bacterial cell to a recipient through a port that requires physical contact.
In bacteria,a large circular ring of DNA that constitutes the majority of the genomic material.
A small circular ring of DNA that carries auxiliary genes in bacteria.
A segment of DNA that can be duplicated and moved from place to place within a bacterium's genome.
3.For each of the following statements about the physical or chemical control of microbial growth,indicate if the statement is True or False.
It takes longer to sterilize an item that's contaminated with a higher population of bacteria.
To be useful,an antimicrobial treatment must kill bacteria,not just slow microbial growth.
Protozoa tend to be more resistant to antimicrobial agents in the cyst form than in the active stage.
Refrigeration stops the growth of all microorganisms .
Bleach is an oxidizing agent that kills bacteria by degrading organic matter.
4.Bacterial Growth - Optimal Growth Temperature
Match the following definitions with the correct terms.
A\x05Thermoduric
B\x05Thermophile
C\x05Hyperthermophile
D\x05Psychrophile
E\x05Mesophile
A microorganism that can survive exposure to high temperatures,but grows best at more moderate temperatures.
A microorganism that grows best at moderate temperatures,generally accepted as 20 � 45oC.
A microorganism that grows best at hot temperatures,generally accepted as above 45oC.
A microorganism that grows best at cold temperatures,generally accepted as below 15oC.
A microorganism that grows at very hot temperatures,some perhaps at greater than 100oC.

1.将下面定义与指代细菌遗传物质组织的术语进行匹配.
A.控制因子
B.操纵子
C.控制基因
D.催化剂
E.结构基因
F.操纵基因
一种对指导蛋白质合成所需信息进行编码的DNA序列.
一种在RNA聚合酶结合并开始转化之处发挥作用的DNA序列.
一种绑定到分子特定DNA核苷酸序列并控制临近基因表达的蛋白质.
一种蛋白质可以绑定和控制附近的基因表达的DNA序列.
一种其蛋白质可绑定并控制临近基因表达的DNA序列.
一种对参与控制其它基因表达的蛋白质合成指令所需信息进行编码的DNA序列.
一组在染色体上彼此自然相邻并作为一个单元表示的基因.
2.细菌的基因重组
将有关细菌中DNA交换的术语与描述进行匹配.
A.转导
B.质粒
C.转换
D.结合
E.染色体
F.转位子
一个细菌细胞从环境接受裸DNA,并生成新的基因.
一个被包含以前主体DNA的噬菌颗粒所感染细菌细胞.
DNA通过一个需要实际接触的端口从供体细菌细胞转移到受体.
在细菌中,一个构成大部分基因材料大的DNA大圆环.
在细菌中,一个携带辅助基因的DNA小圆环.
一个可复制并在细菌基因组中各处移动的DNA片段.
3.对于下面每一个有关微生物生长的物理或化学控制的语句,判断其陈述是对还是错.
需要较长时间才能对被较大量细菌污染的东西进行消毒.
要能投入使用,抗菌药物治疗必须杀死细菌,而不是延缓微生物的生长.
原生动物在囊胞形成时比活跃阶段往往更耐抗菌剂.
冷冻可抑制所有微生物的生长.
漂白剂是一种氧化剂,能通过降解有机物而杀死细菌.
4.细菌生长 - 最适宜生长温度
将下列定义与正确术语加以匹配.
A.耐热
B.嗜热
C.超嗜热
D.嗜冷
E.嗜温
可以在高温下生存,但在较温和温度下生长最好的微生物.
通常在20 - 45℃温和温度下生长最好的微生物.
通常在45℃以上高温下生长最好的微生物.
通常在15℃以下寒冷温度下生长最好的微生物.
在非常炎热,有些也许在超过100℃高温下生长的微生物.