Replicate the strand of dna TACCTAGGATAG

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

During convection, less dense fluid rises and denser fluid sinks.

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems