Questions

Derby Cup is associated with horse racing in United Kingdom.

“To aid” means to give financial or material help. So, option 2 is the best-fit answer. Amplify- increase

The branch of biology that studies the different structures and functions of the cell is called Cell Biology or Cytology.

 
Cell biology (formerly called Cytology), is a Greek word: kytos, "vessel" is a branch of biology that studies the different structures and functions of the cell and focuses mainly on the idea of the cell as the basic unit of life.

The cell (from Latin cella, meaning "small room") is the basic

• Structural,

• Functional (and) 

• Biological unit of all known living organisms. 

A cell is the smallest unit of life that can replicate independently, and cells are often called the "building blocks of life". 

Bill.

From the detectives code 0415 7140 7718

Each 4 digits may represent one name

Here 7718 mirror image represent BILL.