Description : Bulk transport across cell membrane is accomplished by (A) Phagocytosis (B) Pinocytosis (C) Extrusion (D) All of these
Last Answer : D
Description : The process by which cell can take in fluid and molecules too large to be carried across the plasma membrane by active transport is called a. phagocytosis b. Pinocytosis c. absorption d. diffusion
Last Answer : Pinocytosis
Description : The intake of solid food by infloding of cell membrane is called (A) Exocytosis (B) Pinocytosis (C) Phagocytosis (D) Both B and C
Last Answer : (C) Phagocytosis
Description : Invagination by a cell membrane forming a vesicle around a solid particle is a: a) lysosome b) phagocytosis (pron: fag-o-sigh-toe-sis) c) pinocytosis (pron: pin-o-sigh-toe-sis) d) peroxisomes (pron: pay-rak-se-som)
Last Answer : ANSWER: B -- PHAGOCYTOSIS
Description : The process of taking dissolved material into the substance of the cell is called. a. Phagocytosis b. Pinocytosis c. absorption d. diffusion
Last Answer : absorption
Description : What is the difference between pinocytosis and phagocytosis? -Biology
Last Answer : answer:
Description : Insulin is secreted from cells in this way (A) Endocytosis (B) Pinocytosis (C) Phagocytosis (D) Exocytosis
Last Answer : (D) Exocytosis
Description : $ Positive diffusion occurs against the concentration gradients. ! Osmosis does not require a semi-permeable membrane.
Last Answer : $ Positive diffusion occurs against the concentration gradients. ! Osmosis does not require a semi-permeable ... D. If both As and R are wrong.
Description : Why is the cell membrane considered a semi-permeable membrane? -Biology
Description : What is the selectively permeable membrane of the cell? -Do You Know?
Description : What do the terms selective permeability and semi permeable to have to do with the cell membrane?
Last Answer : Need answer
Description : What is the selectively permeable membrane of the cell?
Last Answer : Plasma lemma
Description : Which one of the following is NOT a function of complement? a. Stimulation of inflammation b. Stimulation of antibody formation c. Formation of membrane attack complexes d. Heightened level of phagocytosis
Last Answer : b. Stimulation of antibody formation
Description : What is a semi-permeable membrane? -Biology
Description : what is a selectively permeable membrane -Biology
Description : A tube of uniform cross sectional sectional area `1 cm^(2)` is closed at one end with semi permeable membrane. A solution having 6g glucose per 100 ml
Last Answer : A tube of uniform cross sectional sectional area `1 cm^(2)` is closed at one end with semi permeable membrane. A ... k^(-1)`, density of Hg=13.8 g/cc)
Description : What is the process in which water moves from an area of high concentration to an area of low concentration across a selectivity permeable membrane?
Description : Mitochondrial membrane is permeable to (A) Short chain fatty acids (B) Medium chain fatty acids (C) Long chain fatty acids (D) All of these
Last Answer : Answer : A
Description : In all cells the cytoplasm is externally bounded by a semi - permeable membrane. It is known 4s ..........0+5
Last Answer : Cell membrane/Plasma membrane
Description : What is selectively permeable membrane?
Last Answer : A membrane which controls the movement of materials passing through it is called a selectively permeable membrane. It allows some but not all substances to pass through it.
Description : Plasma membrane in resting condition is very permeable to a. K b. Cl c. Both d. None of them
Last Answer : Cl
Description : When a neuron is in resting state i.e., not conducting any impulse, the axonal membrane is (a) comparatively more permeable to Na+ ions and nearly impermeable to K+ ions (b) equally permeable to both ... + and K+ ions (d) comparatively more permeable to K+ ions and nearly impermeable to Na+ ions.
Last Answer : (d) comparatively more permeable to K+ ions and nearly impermeable to Na+ ions.
Description : Which of the following statements regarding mitochondrial membrane is not correct ? (a) The outer membrane resembles a sieve. (b) The outer membrane is permeable to all kinds of molecules. (c) ... in the outer membrane. (d) The inner membrane is highly convoluted forming a series of infoldings.
Last Answer : (c) The enzymes of the electron transfer chain are embedded in the outer membrane.
Description : Which of the following statements regarding mitochondria is incorrect? (a) Mitochondrial matrix contains single circular DNA molecule and ribosomes. (b) Outer membrane is permeable to monomers of ... transport are embedded in outer membrane. (d) Inner membrane is convoluted with infoldings.
Last Answer : (c) Enzymes of electron transport are embedded in outer membrane.
Description : This antihelminthic agent makes the membrane permeable to calcium ions. a. Mebendazole b. Pentamidine c. Ivermectin. d. Praziquantel
Last Answer : d. Praziquantel
Description : The process of diffusion of one liquid into the other through a semi permeable membrane is called (A) Viscosity (B) Osmosis (C) Surface tension (D) Cohesion
Last Answer : Answer: Option B
Description : 11. Which of the following theories explain that plasma membrane is selectively permeable: (a) Unit membrane theory (b) Cascade theory © Sandwich theory (d) Fluid Mosaic theory
Last Answer : Answer: d Fluid Mosaic theory
Description : A semi permeable membrane is stretched across a chamber filled with water. The membrane is only permeable to water. 60 mg of salt is added to the left side of the chamber. Which of the following will ... right side (C) Water will move toward the left side (D) salt will move toward the left side
Last Answer : (C) Water will move toward the left side
Description : $ In osmosis, semipermeable membrane is a must. ! Cell wall is semipermeable.
Last Answer : $ In osmosis, semipermeable membrane is a must. ! Cell wall is semipermeable. A. If both As and R are ... is wrong D. If both As and R are wrong.
Description : The process of self-digestion of selective non-functional organelles by a cell through the action of enzymes originating within the cell is referred to as (A) Pinocytosis (B) Endocytosis (C) Autophagy (D) Cytotoxicity
Last Answer : (C) Autophagy
Description : By which of the following can movement of materials across animal cell membranes be accomplished? I Active transport, II Diffusion, III Pinocytosis (A) I only (B) II only (C) I and II only (D) All I, II, and III
Last Answer : Will be only two.
Description : Which of the following statements regarding endothelial cells in acute inflammation are true? a. Endothelial cells are characterized by phenotypic homogeneity b. Specific patterns of receptor expression ... blood flow and leukocyte adhesion d. Endothelial cells may be capable of phagocytosis
Last Answer : Answer: b, c, d Endothelial cells are increasingly recognized to be phenotypically heterogeneous. Specific receptor molecules are expressed at various sites where they help to direct lymphocytes and ... rather, they possess the ability to direct and focus many aspects of an inflammatory event
Description : Which of the following statement(s) is/are true about the role of macrophages in the wound healing process? a. Macrophages are the dominant cell type during the inflammatory phase of wound ... phagocytosis d. Macrophages are a source of a number of humoral factors essential for wound healing
Last Answer : Answer: a, d Within three or four days after injury, macrophages become the dominant cell type in the inflammatory phase of wound healing. The role of macrophages is not limited only ... . These studies confirm the dominant role of the macrophage and the inflammatory phase of wound healing
Description : Which of the following statement(s) is/are true concerning the cell function of phagocytosis? a. Phagocytosis is a mechanistically distinct process of endocytosis performed by special cells to take ... known as clathrin d. Phagocytosis is performed only by white blood cells and tissue macrophages
Last Answer : Answer: a Phagocytosis is a specialized form of endocytosis by which large particles are internalized by specialized cells primarily macrophages and neutrophils. To be phagocytosed, particles ... the lumen of the thyroid follicle, thereby releasing the thyroid hormones, thyroxine triiodothyronine
Description : Which one of the following is the correct sequence for the events of phagocytosis? a. Cell attachment, acidification, phagosome formation, lysosome degradation b. Cell ... attachment, acidification. lysosome degradationd. Cell attachment phagosome formation, lysosome degradation. acidification
Last Answer : Cell attachment, phagosome formation, acidification, lysosome degradation
Description : $ Flower is a modified shoot which helps in sexual reproduction. ! Monoparental reproduction is also called vegetative reproduction.
Last Answer : $ Flower is a modified shoot which helps in sexual reproduction. ! Monoparental reproduction is also called ... D. If both As and R are wrong.
Description : $ Nostoc has chloropyll "a" and phycocyanin pigments. ! Chlorophyll "a" helps in oxygenic photosynthesis.
Last Answer : $ Nostoc has chloropyll "a" and phycocyanin pigments. ! Chlorophyll "a" helps in oxygenic photosynthesis. A. ... wrong D. If both As and R are wrong.
Description : $ Both the solute and solvent can pass through a semipermeable membrane. ! A semipermeable membrane is always living.
Last Answer : $ Both the solute and solvent can pass through a semipermeable membrane. ! A semipermeable membrane is always ... D. If both As and R are wrong.
Description : $ The biomembrane which surrounds a vacuole is called Tonoplast. ! Ribosomes have a plasma membrane.
Last Answer : $ The biomembrane which surrounds a vacuole is called Tonoplast. ! Ribosomes have a plasma membrane. A. If ... wrong D. If both As and R are wrong.
Description : What is pinocytosis? -Biology
Description : What are some examples of pinocytosis? -Biology
Description : The absorption of intact protein from the gut in the foetal and newborn animals takes place by (A) Pinocytosis (B) Passive diffusion (C) Simple diffusion (D) Active transport
Last Answer : A
Description : The exchange of material takes place (A) Only by diffusion (B) Only by active transport (C) Only by pinocytosis (D) All of these
Description : Opioid analgesics are either contraindicated or must be used with extreme caution in several clinical situations. For morphine, such situations do not include (a) Aqueous diffusion (b) Aqueous hydrolysis (c) Lipid diffusion (d) Pinocytosis or endocytosis (e) Special carrier transport
Last Answer : Ans: E
Description : What is pinocytosis?.
Last Answer : It is receptor mediated. Low Density Lipoprotein (LDL) binds to the LDL receptor and the complex is later internalised. These vesicles are coated with Clathrin. .
Description : Majority of drugs cross biological membranes primarily by: A. Passive diffusion B. Facilitated diffusion C. Active transport D. Pinocytosis
Last Answer : A. Passive diffusion
Last Answer : C. Is affected by extent of ionization of drug molecules
Last Answer : (D) All of these
Description : Which cell acts as a semi-permeable screen in a cell ?
Last Answer : Answer : The plasma membrane in a cell acts as a semipermeable membrane.