Research and report on alternative theories to endosymbiosis to account for appearance of eukaryotic cells and also research the lastest findings on when they first start appearing.

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

Asea turtle has washed up on a remote section of a beach. this known as a stranding occurs when a dead,sick or injured sea turtle washed up on the shoreline. which statment best explain why stranding should be reported immediately to local authorities

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine