Apollen tube is essential to the process of pollination because select one: a. it creates pollen b. it allows the male nucleus to reach the female gamete c. bees would not be able to reach pollen without it d. it provides nutrients to a seed

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes