R-organisms reproduce at a very high rate. knowing this, why dont they usually reach their capacity? a. they live in environments with many predators that feed on themb. they r regularly killed off by disease and or droughtc. their life span is too shortd. a and b only

Which of the following is an oxidation-reduction reaction? (pictured below)

As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline

Protein and polypeptide sequences can be determined by first partially hydrolyzing the protein or polypeptide followed by amino acid sequencing of the fragment pieces using the chemical degradation process known as edman degradation. determine the sequence of the initial (18-amino acid) polypeptide that produces the following five partial sequences after hydrolysis and edman degradation.