What is the average number of replication forks per DNA replication cluster in a mammalian cell nucleus?
a. 8000
b. 4000
c. 200
d. 40
Ans: d. 40
You might also like to view...
The process of post-transcriptional gene silencing triggered by micro-RNA molecules that stop translation is called ____
a. RNA interference b. micro-interference c. translational interference d. transcriptional disruption e. disruptive genetic silencing
Factors that can alter the level of expression of a gene include
_____ an increase in environmental temperature. _____ an increase in salinity. _____ exposure to UV radiation. _____ presence of a particular energy substrate.
Detection and response to environmental cues or stimuli are primarily functions of
a. metabolism. b. the nervous system. c. catabolism. d. the endocrine system. e. thermodynamics.
Which of the following is believed to have given rise to eukaryotes?
A. Ectosymbiosis B. Endosymbiosis C. Episymbiosis D. Ectendosymbiosis