KROK 1 2010 – Question 39 · KROK (Medicine) · Biology
According to the model of double DNA helix that was suggested by Watson and Crick, it was established that one of chains would not be lost during replication and the second chain would be synthesized complementary to the first one. What way of replication is it?
- A. Identical
- B. Analogous
- C. Dispersed
- D. Conservative
- E. Semiconservative
Hint
Count the old and new strands in each daughter double helix when every parental strand serves as a template.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Biology
- During regular examination of schoolchildren it was revealed that a 10 year old girl had asymmetric oval eggs with a larva in the scrape from her…
- It is known that the gene responsible for development of blood groups according to AB0 system has three allele variants. If a man has IV blood…
- A patient has acne on his face. Microscopic examination of scrapings from the affected areas revealed living porrect vermiform arthropoda 0,2-0,5 mm…
- A family of students who came from Africa got a child with anemia signs. The child died soon. Examination revealed that the child’s erythrocytes…
- A patient working at a pig farm complains about paroxysmal abdominal pain, liquid feces with admixtures of mucus and blood, headache, weakness…
- A cell at the stage of mitosis anaphase was stimulated by colchicine that inhibits chromosome separation to the poles. What type of mutation will be…