When you are exposed to sun light for a long time your skin which otherwise appears normal gets heavily tanned what could be the reason?

It is possible for a cell to make proteins that last for months; hemoglobin in red blood cells is an example. however, many proteins may be degraded in days or even hours. what is the advantage of short-lived proteins?

An acute infection causing fever and convulsions with tonic spasms of skeletal muscles is called:

What is the determining factor for the transcription of structural genes of the trp operon?

List three primary groups of microbes with respect to growth temperature. Which group would constitute food spoilage risk and why?

Which component is released from the active site of an enzyme during a chemical reaction?

What are the weakness and strengths of Behavior

Most glaciers in Alaska are retreating, although the average annual snowfall has increased in the last few decades. What does this tell us about what is happening to sea-level temperature?

Jessi consumes a diet of 1920 total kcalories that has 80 g of fat. what percent of jessi's diet comes from fat? (give answer to the appropriate reporting digit. only give the value. do not include the term percent or its abbreviation.)

Scientists break down evolution into catogories

The process of sediments being compacted and cemented to form sedimentary rocks is called A. metamorphism. B. deposition C. crystallization D. lithification