Maize or corn plants (Zea mays) have body cells each having 20 chromosomes in their nuclei. Meiosis is necessary in order to ensure that each gamete produced in the corn plant has —

Analyze the central conflict and its in a story to discover the theme. o resolution o protagonist antagonist character

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle