Both euglena (a eukaryote) and cyanobacteria are photosynthetic unicellular organisms found in pond water. the feature that distinguishes euglena from cyanobacteria is the
a
presence of a nucleus
b
ability to reproduce
c
presence of a cell membrane
d
ability to maintain homeostasis
e
presence of ribosomes

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

Use the distance formula to determine weather each pair of segments have the same length

Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other