What is known as a small circular piece of DNA that is used as a vector in bacteria?

Question

BlackTom AI · Accepted Answer

The question asks about a small circular piece of DNA used as a vector in bacteria.
Option 1: plasmid. This is the classic definition: plasmids are small, circular DNA molecules that can carry foreign genes and are commonly used as vectors to introduce new genetic material into bacteria.
Option 2: gene. A gene is a functional unit of heredity, a segment of DNA that encodes a product, not a circular vector used for cloning.
Option 3: chromosome. A chromosome is a much larger structure consisting of DNA and proteins; in bacteria the main chromosome is typically a single circular chromosome, but it is not the small circular vector used for cloning purposes.
Option 4: haploid chromosome. The term haploid refers to a single set of chromosomes, which is a concept more relevant to certain eukaryotic cells; bacteria do not have haploid chromosomes as a separate type of vector, and this term does not describe the small circular cloning vector.
In summary, only plasmids fit the description of a small circular DNA molecule used as a vector in bacterial genetic engineering.

What is known as a small circular piece of DNA that is used as a vector in bacteria?单项选择题

类似问题

Which of the following statement about plasmids is FALSE?

Which of the following best describes three important features of plasmids used in molecular cloning?

Which of the following best describes three important features of plasmids used in molecular cloning?

Small, circular pieces of DNA that exist separately from the bacterial chromosome are known as .

Many bacterial cells have DNA-containing that are separate from the bacterial chromosome.

Bacterial cells containing an F-plasmid that has picked up bacterial chromosomal genes is called

Which of the following statements best explains the structure and importance of plasmids to prokaryotes?

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单