The process of making new DNA molecules is semi-conservative. This means that every new DNA molecule is composed of
A.) two completely identical strands of DNA.
B.) one original and one new strand of DNA.
C.) one strand of DNA and one strand of RNA
D.) two strands that mix original and new DNA.
Ans: B.) one original and one new strand of DNA.
You might also like to view...
Which of the following statements is true regarding chemical weathering?
A. It plays a major role in the short-term carbon cycle. B. It releases CO2 into the atmosphere. C. It relies on the acid SiO2. D. It contributes to the accumulation of CaCO3 in oceans. E. It relies on bacteria to break down rocks.
Movement of water results in movement of other nutrients. What element or elements have soluble forms that flowing water can carry from place to place?
a. carbon only b. nitrogen only c. phosphorus only d. carbon and nitrogen only e. carbon, nitrogen, and phosphorus
NADPH is made by
A. the Krebs cycle. B. glycolysis. C. chemiosmosis. D. the Calvin cycle. E. the passing of electrons from photosystem I to an electron transport chain.
Pea plant tendrils wrapping around a string demonstrate
A) phototropism. B) lumitropism. C) gravitropism. D) amylotropism. E) thigmotropism.