The movement of molecules across a membrane by passive transport does not require an input of metabolic energy internal energy none of these vibrational energy TRUE ANSWER : ? YOUR ANSWER : ?
The mesosomes may be the sites of None of these DNA replication and specialized enzymatic reactions RNA replications and specialized enzymatic reactions RNA replications and specialized cyclic reactions 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? Protein Phospholipid Carbohydrate Cholesterol TRUE ANSWER : ? YOUR ANSWER : ?
The plasma membrane is a selectively permeable barrier due to presence of specific transport carbohydrates proteins amino acids none of these TRUE ANSWER : ? YOUR ANSWER : ?
Membrane lipids are hydrophobic none of these ampiphillic hydrophilic TRUE ANSWER : ? YOUR ANSWER : ?
Pinocytosis occurs in all eukaryotic cells none of these all prokaryotic cells mitochondria of all cells TRUE ANSWER : ? YOUR ANSWER : ?
Peptidoglycan is a complex consisting of polysaccharide and protein mono-saccharide and protein oligo-saccharide and protein aminoacid and carbohydrate TRUE ANSWER : ? YOUR ANSWER : ?
In Fluid mosaic model, the biological membrane can be viewed as three dimensional solutions of oriented lipids and globular proteins three dimensional solutions of oriented lipids and carbohydrate two dimensional solutions of oriented lipids and globular proteins two dimensional solutions of oriented lipids and carbohydrate TRUE ANSWER : ? YOUR ANSWER : ?
In active transport, the membrane structure that functions is cholesterol carbohydrates integral proteins hydrophobic molecules TRUE ANSWER : ? YOUR ANSWER : ?
Cholesterol is essential for normal membrane functions because it keeps membranes fluid. cannot be made by higher organisms spans the thickness of the bilayer plugs up the cardiac arteries of older men TRUE ANSWER : ? YOUR ANSWER : ?