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WorksheetsQUIZ 3: BSED-3A
Total questions: 20
Worksheet time: 7mins
The individual phospholipid and protein molecules moves around within their layer is __________.
Fluid
Mosaic
Model
None of the above
Most of the protein molecules float on
DNA
Ribosomes
Phospholipids
Nucleus
Cholesterol contains
Hydrophobic head
Hydrophilic head
Hydrophilic tail
Hydrophilic fats
The proteins that are dispersed among phospholipids in membrane is known as __________
Fluid
Model
Mosaic
Membrane
A globular molecules which is embedded in the membrane is a __________________
Integral proteins
Granular proteins
Columnar proteins
Round proteins
The fluid mosaic model is named according to the structure of _________
Cell cytoplasm
Plasma membrane
Nuclear membrane
Nucleosome
Which of the following act as barrier to most water soluble substances?
Phospholipids
Hydrophilic heads
Nucleus
Deoxyribonucleic acid
What is the Movement of WATER IN and OUT of the cell membrane?
Osmosis
Diffusion
Hypotonic
Isotonic
Why do your fingers Prune when in the water for a long time?
Osmosis
Diffusion
Hypotonic
Hypertonic
What kind of solution is it if the cell grows when placed in the solution?
Hypotonic
Hypertonic
Isotonic
Diffusion
A hypertonic solution would cause
Water to enter the cell
Water to leave the cell
Water to evaporate
Water remains constant
Movement of anything from an area of high concentration to low concentration.
Osmosis
Diffusion
Hypertonic
Hyponic
A type of transport crossing the plasma membrane with the aid of channel proteins.
Active transport
Facilitated transport
Passive Transport
Phagocytosis
The cell membrane invaginates surrounds a small volume of fluid, and pinches off.
Phagocytosis
Pinocytosis
Exocytosis
Endocytosis
She discovered how membrane work by means grease and detergent.
Agnes Pockels
Charles Overton
Hans Meyer
Evert Gorter
They examined the number of layers of cell membrane using different animal blood.
Irving Langmuir and Katharine Blodgett
Evert Gorter and Francois Grendel
Charles Overton and Hans Meyer
Schwann and Schleiden
They demonstrated that the cell membrane is composed of substances that, like oil, have a water-loving part.
Charles Overton and Hans Meyer
Schwann and Schlesien
Irving Langmuir and Katharine Blodgett
Evert Gorter and Francois Grende
The following are examples of fibrous protein, EXCEPT:
Collagen
Elastin
Laminin
Cholesterol
This component of cell membrane provide resistance to compressive, or 'squashing,' forces.
Fibrous protein
Proteoglcans
Peptidoglycans
Fibronectin
The following are examples of proteoglycans, EXCEPT:
Perlecan
Neurocan
Aggrecan
Dominican
