Description : What is the importance of Calcium Pectate in the middle lamella of a plant cell? -Biology
Last Answer : answer:
Description : Middle lamella is composed mainly of :
Last Answer : Middle lamella is composed mainly of : A. Phosphoglycerides B. Hemicellulose C. Muramic acid D. Calcium pectate
Description : According to fluid mosaic model, plasma membrane is composed of (a) phospholipids and oligosaccharides (b) phospholipids and hemicellulose (c) phospholipids and integral proteins (d) phospholipids, extrinsic proteins and intrinsic proteins.
Last Answer : (d) phospholipids, extrinsic proteins and intrinsic proteins.
Description : The phospholipids present in cytoplasm of eubacteria is mainly A- phosphoglycerides B- polyisoprenoid C- phospholipoprotein D- non of these
Last Answer : phosphoglycerides
Description : What is middle lamella of cell wall? -Biology
Description : What is the function of the middle lamella? -Biology
Description : What is middle lamella? -Biology
Description : Element necessary for the middle lamella is (a) Ca (b) Zn (c) K (d) Cu.
Last Answer : (a) Ca
Description : The outer most layer of cell wall is (A) Primary wall (B) Secondary wall (C) Middle lamella (D) Plasma membrane
Last Answer : (C) Middle lamella
Description : Adjacent plant cells are “cemented” together by (A) Their primary walls (B) Their secondary walls (C) A middle lamella (D) Plasmodesmata
Last Answer : (C) A middle lamella
Description : Glass is mainly composed of - (1) Sodium silicate (2) Calcium carbonate (3) Calcium hydroxide (4) Sodium bicarbonate
Last Answer : (1) Sodium silicate Explanation: Glass is made from silica (SiO₂) and soda lime, which react to form sodium silicate.
Description : The cell wall of both bacteria and cyanobactena contains: (a) Lipid (b) Pectin (c) Protein (d) muramic acid
Last Answer : Ans. ((d))
Description : Penicillins interfere with bacterial cell wall synthesis by (a) Inhibiting synthesis of N-acetyl muramic acid pentapeptide (b) Inhibiting conjugation between N-acetyl muramic acid and N-acetyl ... link the peptidoglycan residues (d) Counterfeiting for D-alanine in the bacterial cell wall
Last Answer : Ans: C
Description : The last step in synthesis of peptidoglycan is A- attachment of a peptide to muramic acid B- attaching two amino acids to form a cross-link C- attachment of a portion of peptidoglycan to a membrane lipid D- binding of penicillin to a membrane protein
Last Answer : attaching two amino acids to form a cross-link
Description : Peptidoglycan is also known as A- N-acetyl muramic acid B- mureinmucopeptide C- N acetylglucosamine D- mesodiaminopimetic acid
Last Answer : mureinmucopeptide
Description : Penicillins interfere with bacterial cell wall synthesis by: A. Inhibiting synthesis of N-acetyl muramic acid pentapeptide B. Inhibiting conjugation between N-acetyl muramic acid and N-acetyl ... cross link the peptidoglycan residues D. Counterfeiting for D-alanine in the bacterial cell wall
Last Answer : C. Inhibiting transpeptidases and carboxypeptidases which cross link the peptidoglycan residues
Description : Algae have cells made up of (a) cellulose, galactans and mannans (b) hemicellulose, pectins and proteins (c) pectins, cellulose and proteins (d) cellulose, hemicellulose and pectins
Last Answer : (a) cellulose, galactans and mannans
Description : One of the major components of cell wall of most fungi is (a) cellulose (b) hemicellulose (c) chitin (d) peptidoglycan.
Last Answer : (c) chitin
Description : Which of the following phospholipids is localized to a greater extent in the outer leaflet of the membrane lipid bilayer? (A) Choline phosphoglycerides (B) Ethanolamine phosphoglycerides (C) Inositol phosphoglycerides (D) Serine phosphoglycerides
Last Answer : A
Description : The phospholipids present in cytoplasm membrane of the archaeo- bacteria is A- phosphoglycerides B- polyisoprenoid C- polyisoprenoid branched chain lipids D- none of the bove
Last Answer : polyisoprenoid branched chain lipids
Last Answer : (A) Choline phosphoglycerides
Description : Archeal cells usually do not contain peptidoglycan, rather contain pseudo- peptidoglycanwhichis mainly composed of A-.N-acetylmuramic acid and L-amino acids B-.N-acetylmuramic acid and D-amino acids C-.N-acetyltalosaminuronic acid and D-amino acids D-N-acetyltalosaminuronic acid and L-amino acids
Last Answer : N-acetyltalosaminuronic acid and L-amino acids
Description : Dark reactions of photosynthesis occur in (a) granal thylakoid membranes (b) stromal lamella membranes (c) stroma outside photosynthetic lamellae (d) periplastidial space.
Last Answer : c) stroma outside photosynthetic lamellae
Description : Cell wall is mainly composed of -Science
Last Answer : The cell wall is composed of a network of cellulose microfibrils and cross-linking glycans embedded in a highly cross-linked matrix of pectin polysaccharides. In secondary cell walls, lignin may be deposited.
Description : For which snake is the diet mainly composed of their snakes? -General Knowledge
Last Answer : The answer is 'Kinqcobra'
Description : For which snake is the diet mainly composed of other snakes? -Do You Know?
Description : The head of a mature sperm is mainly composed of :-
Last Answer : The head of a mature sperm is mainly composed of :- A. elongated nucleus and acrosomal material . B. ... & the axial filament . D. All of the above
Description : Nissl’s bodies are mainly composed of (a) proteins and lipids (b) DNA and RNA (c) nucleic acids and SER (d) free ribosomes and RER.
Last Answer : (d) free ribosomes and RER.
Description : Mitotic spindle is mainly composed of which protein? (a) Actin (b) Myosin (c) Actomyosin (d) Myoglobin
Last Answer : c) Actomyosin
Description : Which one of the following statements about Cycas is incorrect? (a) It has circinate vernation. (b) Its xylem is mainly composed of xylem vessel. (c) Its roots contain some blue-green algae. (d) It does not have a well organized female flower.
Last Answer : (b) Its xylem is mainly composed of xylem vessel.
Description : Tall oil obtained as a by-product from the black liquor recovery is (A) A black, sticky & viscous liquid (B) Used in the manufacture of greases, emulsions & soaps (C) Composed mainly of rosin & fatty acids (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : For which snake is the diet mainly composed of their snakes?
Last Answer : Kingcobra
Description : For which snake is the diet mainly composed of other snakes?
Last Answer : King cobra
Description : Granite mainly composed of quartz and feldspar particles, is obtained from (A) Sedimentary rocks (B) Metamorphic rocks (C) Igneous rocks (D) All the above
Last Answer : Answer: Option C
Description : Which statement BEST describes plaque: A. It is a soft film composed mainly of food debris and can not be rinsed off teeth B. It is a soft film composed mainly of food debris and can be rinsed off ... rinsed off the teeth E. It is a soft film composed mainly of dextran and can be rinsed off teeth.
Last Answer : C. It is a soft film composed mainly of none calcified bacteria and can not be rinsed off the teeth
Description : Nissl bodies are mainly composed of (1) Proteins and lipids (2) DNA and RNA (3) Nucleic acids and SER (4) Free ribosomes and RER
Last Answer : (4) Free ribosomes and RER
Description : A type of volcano composed of mainly pyroclastics is termed: w) cinder cone x) shield cone y) composite cone z) none of these
Last Answer : ANSWER: W -- CINDER CONE
Description : The surface of a "desert pavement" is composed mainly of which of the following? w) loose sand x) sand and clay y) pebbles and boulders z) concrete and cement
Last Answer : ANSWER: Y -- PEBBLES AND BOULDERS
Description : Which of the following is primarily composed of calcium carbonate? (1) Fish scales (2) Shark teeth (3) Oyster Shes (4) Whale bones
Last Answer : (3) Oyster Shes Explanation: There is a high content of calcium carbonate in mussel andoyster shells, which can be used in the formulation of medicine, in construction or as filler in polymer materials.
Description : Cells are composed of A A. Carbon, hydrogen, nitrogen and oxygen B. Sodium, potassium, calcium and hydrogen C. Hydrogen, carbon, sodium, and potassium D. Nitrogen, oxygen, calcium and carbon
Last Answer : Carbon, hydrogen, nitrogen and oxygen
Description : About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and (a) sulphur and magnesium (b) magnesium and sodium (c) calcium and phosphorus (d) phosphorus and sulphur.
Last Answer : (d) phosphorus and sulphur.
Description : Asbestos (A) Is a natural fibrous mineral substance (B) Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) (C) Contains iron oxide and alumina (D) All the above
Last Answer : Answer: Option D
Description : Carbohydrates are composed of ____ and ____. a. carbon, water c. zinc, aluminum b. hydrogen, oxygen d. gold, calcium
Last Answer : a. carbon, water
Description : Which of the following is primarily composed of calcium carbonate? w) Fish scales x) Shark teeth y) Oyster Shells z) Whale bones
Last Answer : ANSWER: Y -- OYSTER SHELLS
Description : What materials are mainly in calcium carbonate?
Last Answer : Need answer
Description : Kidney stones are mainly formed by which of the following compound - (1) Sodium chloride (2) Silicates (3) Calcium bicarbonate (4) Calcium oxalate
Last Answer : (4) Calcium oxalate Explanation: Kidney stones form when your urine contains more crystal-forming substances — such as calcium, oxalate and uric acid — than the fluid in your urine can dilute.
Description : The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of (a) urea (b) calcium carbonate (c) ammonia (d) potassium urate.
Last Answer : (d) potassium urate.