Nas 2 TCC Actual Exam Newest 2025/ 2026 Complete
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Cell theory states - Answer-All living things are made up of
cells
cells are the basic units of structure and function in living
things
new cells are produced from existing cells
Eukaryotic plasma membrane contain this substance to
provide stability and fluidity to the membrane - Answer-
cholesterol
Loosely coiled DNA wrapped around histone proteins is
called - Answer-chromatin
The main function(s) of the cell membrane is to - Answer-
separate the cell's contents from the surrounding
environment
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What type of passive transport occurs when water and
solutes are forced through a membrane using hydrostatic
pressure? - Answer-filtration
The ability of a solution to hold onto water or pull water
into the solution across a semi-permeable membrane is
called: - Answer-osmotic pressure
Transport of specific solutes through active transport uses
integral proteins that are typically called this: - Answer-
solute pumps
water can move across the membrane by: - Answer-
simple diffusion, aquaporins
what type of passive transport occurs when solutes move
down their concentration gradient (higher to lower
concentration)? - Answer-diffusion
nuclear pores: - Answer-allow enzymes, mRNA, nutrients
to move in and out of the nucleus