In active transport, the membrane structure that functions is hydrophobic molecules cholesterol integral proteins carbohydrates TRUE ANSWER : ? YOUR ANSWER : ?
In membranes, lipids are all of these glycerophospholipids sterols sphingolipids TRUE ANSWER : ? YOUR ANSWER : ?
The mesosomes may be the sites of DNA replication and specialized enzymatic reactions RNA replications and specialized enzymatic reactions RNA replications and specialized cyclic reactions None of these TRUE ANSWER : ? YOUR ANSWER : ?
The movement of molecules across a membrane by passive transport does not require vibrational energy none of these an input of metabolic energy internal energy TRUE ANSWER : ? YOUR ANSWER : ?
Lysozymes are found in microbial cells animal cells all of these plant cells TRUE ANSWER : ? YOUR ANSWER : ?
Cholesterol is somewhat amphipathic due to the three six-membered rings along with the single five-membered ring the long branched hydrocarbon along with the four hydrocarbon rings the single hydroxyl along with the hydrocarbon nature of the remainder of the molecule the five-methyl groups along with the hydrocarbon chain TRUE ANSWER : ? YOUR ANSWER : ?
Cholesterol is essential for normal membrane functions because it spans the thickness of the bilayer cannot be made by higher organisms keeps membranes fluid. plugs up the cardiac arteries of older men TRUE ANSWER : ? YOUR ANSWER : ?
Exocytosis is the secretion of proteins out of the cell across the plasma membrane into the intracellular space out of the cell across the plasma membrane into the extracellular space is the uptake of macromolecules from the intracellular space into the cell across the plasma membrane is the uptake of macromolecules from the extracellular space into the cell across the plasma membrane TRUE ANSWER : ? YOUR ANSWER : ?
The plasma membrane is a selectively permeable barrier due to presence of specific transport carbohydrates proteins none of these amino acids TRUE ANSWER : ? YOUR ANSWER : ?
Which type of molecule spans the membrane, from its inner to outer surface according to the Fluid mosaic model of cell membranes? Carbohydrate Phospholipid Cholesterol Protein TRUE ANSWER : ? YOUR ANSWER : ?