Answer:
C. Because it's gravity affects the motion of objects around it.
Answer:
All cells arise from pre existing cells.
Explanation:
one of the principles on the cell theory states that all cells came from pre existing cells . The two cells are parent cells who are big enough to undergo mitosis. The 4 cells made out of this event are daughter cells .
Answer: right bottom is kidney
Left bottom is liver
Q. 4 part a, The excretory system.
B, kidney: The kidneys make urine by filtering wastes and extra water from blood. Urine travels from the kidneys through two thin tubes called ureters and fills the bladder.
And Q. 5 order, 3, 2, 1, 4.
Explanation:
Answer:
True
Explanation:
Protein purification involves isolating them from their source based on differences in their physical properties. The objective in chromatography is to retain the largest amount of functional protein with the least number of contaminants, which is why an assay needs to be performed for each type of protein.
It is known as the sedimentation.. this process spreads widely (horizontally) keeping the youngest on the top and the oldest at the bottom..
hope this helps:)
