During which cell division phase does the nuclear membrane disappear? A) telophase
B) metaphase
C) anaphase
D) prophase

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine