Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Community ▾
A
A
After one generation in a light medium, a tube from a… | StemPy Lab
Quizzes
/
After one generation in a light medium, a tube from a Meselson and Stahl type of experiment shows two bands, one heavy and one light. Which model of replication does this support?
Biology
Hard
High School (11–12)
Heredity and Evolution
Created by
StemPy Lab
After one generation in a light medium, a tube from a Meselson and Stahl type of experiment shows two bands, one heavy and one light. Which model of replication does this support?
The dispersive model
No model, since two bands are never seen
The conservative model
The semiconservative model
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← A student compares the sequence of an mRNA with the two strands of the gene that made it. Which strand does it match, apart from U in the place of T?
Researchers sequence a plant gene. Its transcript, before any processing, is 6800 nucleotides long, and the parts that splicing takes out add up to 5100 nucleotides. About 200 adenylate residues are then added to the end of what is left. What is the length of the finished mRNA, ignoring the cap? →
More on
Heredity and Evolution
Discussion (0)
Log in
to join the discussion.
Loading…
All questions on this topic →
Problems on this topic
The tree of the lesson has four species…
Medium
This problem goes beyond the NEET syllabus, but A-Level and IB ask it…
Hard
Four species A, B, C and D have these differences in a gene: A and B 4; A and C 10; B and C 10; A…
Hard
Use these NCERT dates: Homo erectus lived about 1500000 years ago…
Hard
All problems on this topic →