Radiolabelled DNA was allowed to replicate twice in a nonradioactive environment. Which of the following is true?
A. All the strands will have radioactivity
B. Half of the DNA will have no radioactivity
C. No strands will have radioactivity
D. Three–fourth of the DNA replicated will have radioactivity.
Select your answer:
Topics:
Plant Biotechnology Endocrine System and Nervous System Oral Hygiene Alzheimer Disease Tissues Vet Science Terms Disease and Immunity -ology Nature of Science Nervous and Endocrine System Body Fluids and Blood Cells Economic importance of Bacteria Body Fluids & Circulation Integumentary System Corona Cells, Tissues and OrgansOther quiz:
Microbiology › ViewUsing a microscope in the science lab, Jill observed two unknown cells: Cell 1 and Cell 2. Cell 1 she identified as a plant cell and Cell 2 as an animal cell. Her teacher told her she identified the cells correctly. What did Jill most likely observe to correctly identify the cells?
A. Cell 2 had a cell membrane and Cell 1 did not.
B. Cell 1 had a cell wall and Cell 2 did not.
C. Cell 2 had a chloroplast and Cell 1 did not.
D. Cell 1 had a nucleus and Cell 2 did not.
Pathology › View
What is the meaning of “Epidemic” in pathology?
A. A disease of unknown cause
B. The worsening of a disease
C. An unexpected increase in the number of disease cases in a specific geographical area
D. The number of new cases of a condition