Determine if the following statement is true or false. if true, choose true. if false, choose the rewording that is true. prokaryotic cells lack membrane-bound organelles. a) true b) prokaryotic cells contain a nucleus. c) prokaryotic cells make up plants. d) prokaryotic cells have membrane-bound organelles.

The first amino acid of a new polypeptide chain is

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

1. in what ways have non-native species been beneficial? 2. what are some of the hypotheses for the collapse of honeybee colonies? 3. distinguish between regional and functional extinction. 4. why is it difficult to measure background extinction rates? 5. what three factors are most important in causing extinction rates to climb?