Plasmids occur naturally in:
A. bacteria
B. viruses
C. animal cells
D. plant cells
Ans: A. bacteria
You might also like to view...
Which of the following correctly lists the types of cellular communication from shortest to longest distance travelled by the signaling molecule to reach its responding cell?
A. paracrine, autocrine, endocrine B. autocrine, endocrine, paracrine C. autocrine, paracrine, endocrine D. endocrine, paracrine, autocrine
Which of the following are the mechanoreceptors that detect motion and sense gravity?
A. baroreceptors B. stereocilia C. hair cells D. semicircular canals
What DNA site can increase the transcription rate of a gene that may be thousands of base pairs away?
a. transcription factor b. silencer c. enhancer d. activator e. transcription increaser
The sugar-phosphate backbone of the DNA is held together by hydrogen bonds
1.True 2.False