Correct answer
A. All retroviruses
Explanation
All retroviruses is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of
The simplest of all bryophytes are___________?
Germ theory of disease has________________postulates?
Extremely long molecule of DNA that is tightly folded to fit inside the cell component is called_____________?
The only group of algae having no flagellated motile cells at any stage is___________?
A gene is said to be dominant, if _________?