Questions

The Lamprey fish is characterized by an absence of jaws.

Fragmentation occurs in a dynamic memory allocation system when many of the free blocks are too small to satisfy any request.

You can divide the frequency of a clock by just implementing T Flip flop.

Give clock as clock input and tie the T input to logic 1.

The supply curve slopes upward because for reflecting the higher price needed to cover the higher marginal cost of production. 

0  0  1

That's what some of the compilers would give. But some other compiler may give a different answer. The reason is, when a single expression causes the same object to be modified and then inspected the behaviour is undefined.

Gene is a segment of chromosomal DNA or a sequence of DNA or RNA that codes for a molecule that has a function. It is the basic physical and functional unit of heredity.

As genes are made up of DNA it impies that they are long, double chains of nucleic acids as DNA is made of nucleic acids.