Examlex
During passage through the large intestine, a trophozoite will often secrete a case around itself, forming a cyst. Cysts contain four haploid nuclei. When cysts "hatch" within a new host, two trophozoites are released. Thus, which of the following must happen within the cyst, prior to hatching?
1) meiosis
2) nuclear division
3) S phase
4) binary fission
Q17: Which two species might be expected to
Q23: Which of these habitats is likely to
Q26: In a hypothetical environment, fishes called pike-cichlids
Q45: What is true of charophytes?<br>A) They are
Q52: The resolution of the relationships indicated by
Q53: A swim bladder is a gas-filled sac
Q57: If, on average, 46% of the loci
Q57: Assuming chimps and gorillas are humans' closest
Q58: The restriction enzymes of bacteria protect the
Q82: Where in an angiosperm would you find