Which function is mostly performed in the fleshy tissue parts of a plant, rather than in the tissues that make up the upper layer of leaves?
growth
protection
storage
support

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Where can a dna be found in a prokaryotic cell

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.