General Microbiology Fill in the Gap Questions PDF

GENERAL MICROBIOLOGY OLUDURO 1 20 Fill in the gap Questions (Pg7-Pg12) GENERATED AND CURATED BY PAO From Page 9 Question 1: The cell is bounded by a plasma membrane which is made of special _________ an...

GENERAL MICROBIOLOGY OLUDURO 1 20 Fill in the gap Questions (Pg7-Pg12) GENERATED AND CURATED BY PAO From Page 9 Question 1: The cell is bounded by a plasma membrane which is made of special _________ and is studded with many complex _________, channels, gates, receptors, recognition proteins etc. Question 2: Prokaryotes have a distinct nucleus that is _________, and their DNA is in the form of a single circular _________. o Question 3: Eukarya cells contain chloroplasts, which are _________ in plant Pa and algal cells, while bacteria and archaea do not have _________. Question 4: Cells are the building blocks of life, meaning all living organisms are made up of _________, which possess thousands of different _________ undertaking thousands of different but interrelated reactions. by Answers: d Q1: phospholipids, protein te Q2: absent, chromosome a Q3: present, chloroplasts er Q4: cells, chemicals en G  From Page 7 Question 5: In 1996, Bovine spongiform encephalopathy is also known as _________ disease, which is commonly referred to as _________. Question 6: The binomial system of nomenclature was devised by _________ and refers to a two-word naming _________. Question 7: The microorganism must be present in every case of the _________ but absent in healthy _________. Question 8: The genus name is commonly abbreviated, with the first letter _________ while the second is the species name, which is not _________. o Answers: Q5: Mad cow, disease Q6: Linnaeus, system Pa Q7: disease, organisms by Q8: capitalized, capitalized d a te er en G  From Page 12 Question 9: The completed Gram stain has one of two results, the dyed cell is red when viewed under the microscope and is termed as _________ negative, or it is purple when viewed under the microscope and is termed as _________ positive. Question 10: The nature of the cell wall, Gram negative or Gram positive, has a high relevance to the general type of human _________ the bacterium might cause and what kind of _________ might be used to treat it. Question 11: Many bacteria have a thick layer called a _________, which can help the bacteria to evade immune detection and make them more _________ (able to cause disease more aggressively). o Answers: Q9: Gram, Gram Pa Q10: disease, antibiotic Q11: capsule, virulent by d a te er en G  From Page 11 Question 12: Nearly all prokaryotes have a rigid cell wall, which determines the shape of the cell, and in most cases the wall contains _________, a unique and complex acidic _________ that lends rigidity to the wall. Question 13: Gram positive bacteria have thick walls with a dense homogeneous layer of peptidoglycan and also contain a unique substance called _________. Question 14: Gram negative bacteria have thin cell walls with much less peptidoglycan and an extra outer lipid _________ that contains a toxic compound called _________. Answers: o Q12: peptidoglycan, polysaccharide Q13: teichoic acid Pa Q14: membrane, lipopolysaccharide by d a te er en G  From Page 10 Question 15: Eukaryotic cells have a membrane bound genome consisting of more than one _________ chromosome, bounded by a _________ layered nuclear membrane. Question 16: Prokaryotic cells do NOT have a discrete membrane bound _________ that contains chromosomes, this is the defining feature of a _________ cell. Question 17: Unlike eukaryotic DNA, bacterial DNA is not associated with special cationic proteins called _________, which are important for _________ DNA packaging. Answers: o Q15: linear, double Q16: nucleus, prokaryotic Pa Q17: histones, eukaryotic by d a te er en G  From Page 8 Question 18: Archaea are _________, primarily extremophile, and are not known to cause _________ in humans. Question 19: Bacteria can be structurally classified as Bacillus/ rods, cocci, or _________, and their cell wall contains _________ found mostly in Gram negative bacteria. Question 20: Fungi are eukaryotes that have _________ cell walls and obtain their energy from _________ matter. Answers: Q18: Prokaryotes, diseases o Q19: spiral, peptidoglycan Q20: chitin, organic Pa by d a te er en G