One difference between photosynthesis and cellular respiration is thatcellular respiration occurs: a. in mitochondria. b. in chloroplasts. c. only during the day. d. only at night.

Abnormal softening of a gland is known as

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.