名词解释题primary lysosome (初级溶酶体)

名词解释题
primary lysosome (初级溶酶体)

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溶酶体可分为初级溶酶体和次级溶酶体,其中初级溶酶体富含过氧化物酶,过氧化氢酶及多种氧化酶。() 此题为判断题(对,错)。

primary structure of protein

You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty. Which statement accomplishes this task?() A. ALTER TABLE students ADD PRIMARY KEY _ id;B. ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id);C. ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;D. ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);E. ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);

The primary line module has failed and the spare line module is nowactive.What occurs,by default,when the primary line module returns to an operational status?() A.The primary line module is inactive for five minutes and then becomes active.B.The primary line module is in standby mode,while the spare line module remains active.C.The primary line module becomes active immediately and the spare line module becomes inactive.D.The primary and spare line modules are active for five minutes,after which time the spare line module becomes inactive.

某些长寿细胞中的脂褐素实质上是A、终末溶酶体B、初级溶酶体C、次级溶酶体D、自噬溶酶体E、自噬泡

为表TEST中ID列添加主键约束的语法是()A、ALTER  TABLE  TEST  CHANGE( ID  INT  PRIMARY  KEY)B、ALTER  TABLE  TEST  ADD( ID  INT  PRIMARY  KEY)C、ALTER  TABLE  TEST  MODIFY( ID  INT  PRIMARY  KEY)D、ALTER  TABLE  TEST  ADD  CONSTRAINT PK  PRIMARY KEY (ID)

初级溶酶体与次级溶酶体的区别在于()A、初级溶酶体不含有作用底物B、初级溶酶体不含有水解酶C、初级溶酶体中的水解酶不成熟D、初级溶酶体不含作用产物

初级溶酶体

初级溶酶体是由粗面内质网芽生的运输小泡和内体合并而成。

初级溶酶体源自()A、内质网B、高尔基体C、核膜D、胞饮小囊

初级溶酶体和()、()、()、胞饮泡融合形成异噬性溶酶体、自噬性溶酶体、吞噬性溶酶体和多泡体。

巨噬细胞内加工处理外源性抗原的主要场所是()。A、内体B、蛋白酶体C、初级溶酶体D、内体溶酶体E、MHCⅡ类器室

初级溶酶体中含有多种水解酶类,酶的最适pH为()左右。A、3B、5C、7D、9

Which two statements are true about the primary key constraint in a table? ()A、It is not possible to disable the primary key constraint.B、It is possible to have more than one primary key constraint in a single table.C、The primary key constraint can be referred by only one foreign key constraint.D、The primary key constraint can be imposed by combining more than one column.E、The non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed.

You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty.Which statement accomplishes this task?()A、ALTER TABLE students ADD PRIMARY KEY student_id;B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student _ id);C、ALTER TABLE students ADD CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id);D、ALTER TABLE students MODIFY CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id);

单选题形态、分布、理化性质等高度异质性的细胞器是()。A初级溶酶体B次级溶酶体C线粒体D粗面内质网

名词解释题初级溶酶体

名词解释题secondary lysosome (次级溶酶体)

单选题As automobiles replaced horses as the primary means of transportation, it was widely anticipated that the time spent in transit by the average traveler would decrease.AAs automobiles replaced horses as the primary means of transportation, it was widely anticipated thatBInsofar as automobiles replaced horses as the primary means of transportation, it was anticipated widelyCWith horses being replaced by automobiles as the primary means of transportation, there was wide anticipation thatDAs the primary means of transportation replaced horses with automobiles, many anticipated thatEAutomobiles replacing horses as the primary means of transportation produced anticipation widely that

单选题The primary line module has failed and the spare line module is nowactive.What occurs,by default,when the primary line module returns to an operational status?()AThe primary line module is inactive for five minutes and then becomes active.BThe primary line module is in standby mode,while the spare line module remains active.CThe primary line module becomes active immediately and the spare line module becomes inactive.DThe primary and spare line modules are active for five minutes,after which time the spare line module becomes inactive.

名词解释题lysosome (溶酶体)

单选题You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty. Which statement accomplishes this task?()AALTER TABLE students ADD PRIMARY KEY _ id;BALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id);CALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;DALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);EALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);

单选题执行功能作用的溶酶体是()A初级溶酶体B大泡性溶酶体C残余小体D内体性溶酶体E吞噬性溶酶体

多选题Which two statements are true about the primary key constraint in a table? ()AIt is not possible to disable the primary key constraint.BIt is possible to have more than one primary key constraint in a single table.CThe primary key constraint can be referred by only one foreign key constraint.DThe primary key constraint can be imposed by combining more than one column.EThe non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed.

填空题初级溶酶体和()、()、()、胞饮泡融合形成异噬性溶酶体、自噬性溶酶体、吞噬性溶酶体和多泡体。

单选题You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty. Which statement accomplishes this task?()AALTER TABLE students ADD PRIMARY KEY student_id;BALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id);CALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;DALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);EALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);

单选题初级溶酶体与次级溶酶体的区别在于()A初级溶酶体不含有作用底物B初级溶酶体不含有水解酶C初级溶酶体中的水解酶不成熟D初级溶酶体不含作用产物