Which of the following is involved in the RNA sequencing process?
A. direct sequencing of RNA molecules
B. extraction of DNA from a cell
C. isolation of RNA from a cell followed by fragmentation of RNA
D. generation of RNA from cDNA sequences
E. conversion of the RNA to complementary DNA (cDNA) sequences
Ans: E. conversion of the RNA to complementary DNA (cDNA) sequences
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Mammals may ____ as a response to cold in order to limit the amount of heat lost to the surroundings
a. shiver b. go off to lay alone so that others do not take their heat c. press hair shafts close to the body d. reduce blood flow to the skin e. lose brown adipose tissue
Females that start smoking as teenagers are
__________ percent more likely to develop breast cancer than those who do not take up the habit. a. 40 b. 50 c. 60 d. 70 e. 80
You look in the microscope and see sister chromatids moving to opposite sides of the cell. You conclude the cell is in
A. prophase. B. telophase. C. interphase. D. metaphase. E. anaphase.
Harmless king snakes mimic the color patterns of venomous coral snakes, which serve as models
If avoidance were based solely on prior predator experience with the model, what do you predict would happen in areas where coral snakes were never present? A) No predictions can be made based on the information given. B) Predators would initially attack and eat king snakes but soon learn to avoid them. C) Predators would avoid king snakes. D) Predators would initially avoid king snakes but soon learn to attack and eat them. E) Predators would attack and eat king snakes.