Auxins
a) promote cell elongation and cell division in stems
b) stimulates seed growth and fruit development
c) promotes cell division
d) regulates the opening and closing of stomata

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

Toorale man murder mystery < - your lab link 1. how was the toorale man found? 2. what did archaeologists learn about the burial? why is the burial important? 3. what information were the scientists able to learn from the skeleton itself? 4. why is the question of whether the injuries came from a stone or steel weapon important? how could scientists distinguish between the different types of weapons? 5. what did the carbon dating and soil testing tell scientists about toorale man? why are the dates interesting for scientists?

Some substances but not other can cross the (blank) membrane of a cell