A cell carries out cellular respiration to produce energy. The nutrient molecules required for this process are taken in through the cell membrane and transported to the site of cellular respiration. Which organelle aids in the movement of cellular elements and
provides a medium for the other organelles to be suspended within the cell?
А.
mitochondria
B. lysosome
C
nucleus
D. cytoplasm

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

Determine the maximum r-value of the polar equation r =3+3 cos 0

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?