Witch example is always single stranded

This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?