Q1. The doctor began testing Bob’s muscle strength by asking him to resist or contract certain muscles. When testing Bob’s quadriceps, the doctor placed his hand on Bob’s ankle and asked him to extend his knee. Distinguish between mechanical advantages and disadvantages in lever systems and find out which kind […]

In the Meselson and Stahl experiment, E. coli cells were grown in heavy (15N) nitrogen, and then switched to light nitrogen. After two generations, there was 50% light and 50% half heavy DNA. What would the results have been if the conservative model had been correct? Below, put the expected […]

Q1. A doctor will give you an antibiotic to treat the bacterial infection, but you are given a vaccine to keep a virus (and some bacteria) from making you ill. What is the dissimilarity between these approaches? Q2. Explain the composition and function of the cell body. How are axons […]

A man has a heritable disease, which his father suffers from, along with his son. His father’s symptoms are comparatively light, where his sons are profound and seen at a much earlier age. What is a good explanation for the mechanism that is causing this inheritance pattern? trinucleotide repeats are […]