What was the goal of the Cassini-Huygens interplanetary space mission?
A Explore Saturn
B) Explore Mars
C) Explore Venus
D) Explore Jupiter

What does the positioning of transcription factors determine?

Which type of transport is responsible for oxygen entering into blood cells? a. vesicle b.passive c. facilitated d.active b.passive

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root