Describe how digestion occurs in the flatworms and what digestive organs may be present.

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

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

Which of these parts of the membrane large moecules pass through it ?