What are the four nucleotide bases found in DNA?
Adenine, Thymine, Cytosine, Guanine.
Adenine, Thymidine, Cytidine, Guanine.
Adenosine, Thymine, Cytosine, Guanosine.
Adenosine, Thymidine, Cytidine, Guanosine.
The Correct Answer is A
These are the four nucleotide bases found in DNA1.
Choice C) Adenosine, Thymine, Cytosine, Guanosine is incorrect because Adenosine and Guanosine are not nucleotide bases found in DNA.
Choice D) Adenosine, Thymidine, Cytidine, Guanosine is incorrect because Adenosine, Thymidine and Cytidine are not nucleotide bases found in DNA.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Pattern recognition receptors (PRRs) are a class of receptors that can directly recognize the specific molecular structures on the surface of pathogens.
PRRs play a crucial role in the proper function of the innate immune system and are germline-encoded host sensors, which detect molecules typical for the pathogens.
Choice B is incorrect because cytokines are not receptors but rather signaling molecules that regulate immunity.
Choice C is incorrect because chemokines are not receptors but rather signaling molecules that attract immune cells to sites of infection.
Choice D is incorrect because T cells are not receptors but rather white blood cells that assist B cells or directly kill infected cells.
Correct Answer is A
Explanation
The normal flora refers to the microbial community that colonizes on the skin and mucus membrane.
Normal flora can be found in many human body sites, including the skin, respiratory tract, urinary tract, and digestive tract.
Choice B is incorrect because normal flora does not refer to a group of infectious parasites that cause diarrheal diseases.
Choice C is incorrect because normal flora does not refer to the genetic material of bacteria housed within a true nucleus.
Choice D is incorrect because normal flora does not refer to the protein coat surrounding the viral genome.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today