A human red blood cell normally contains 2.0% salt. Which of the following salt solutions is hypotonic to red blood cells?
3.0%
1.0%
2.0%
4.0%

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called

Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false