A science researcher has developed a computer model of the process of DNA replication in a eukaryotic cell. The model includes the following sequence of bases in one strand of the DNA molecule.


The researcher wants to revise the model to show the transcription of DNA to form mRNA.

Which of these revisions to the model would be most useful for the researcher to include?

A. Replace thymine (T) with uracil (U) in the DNA molecule.
B. Keep the two strands of the DNA molecule joined together.
C. Identify promoter and "stop" regions on the DNA molecule.
D. Divide the DNA molecule into pieces that are 40 to 50 bases long.

Turtle hatchling survivorship rate is low in many turtle species due to predation. amanda researched the predatory rate on a species of turtle eggs in the red river. the eggs were harvested from trapped turtles and the egg's cloaca film (reproductive discharge) was either washed off or left on once gathered. research suggests that predators use the female's cloaca scent to locate the eggs. the eggs were only handled when wearing gloves and then reburied along islands where the turtles were trapped. the nests were monitored by cameras and manually on foot and data on nest predation were recorded. a. based on the experimental design, what is the dependent variable? b. based on the experimental design, what is the independent variable? c. based on the experimental design, what is the control?

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?