Biology I

Microbiology

Pharmacology

Question 5 (1 point) Which of the following statements is NOT true concerning Anton van Leuwenhoek? Question 5 options: A) He was the first to observe microorganisms. B) He was the first to observe red blood cells. C) All the statements are true. D) He was the first to observeprotozoans. E) He was the first to construct a microscope. Save Question 6 (1 point) Pepdoglycan of Gram negave bacteria is Question 6 options: Both first and third choice are correct. all the first three choices are correct. present in all prokaryotic cells. composed of NAG, NAM, and LPS. a simple polyssaccharide Save Question 7 (1 point) Most molds live upon dead or decaying material; in other words, they are Question 7 options: parasites commensals saprophytes phototrophs auxotrophs Save Question 8 (1 point) The Deuteromycetes represent a special class of fungi that Question 8 options: A) lack a demonstrated sexual state B) lack cell walls C) lack asexual spores D) lack a typical eukaryotic cell structure E) lack a typical nucleus Save Question 9 (1 point) Which of the following is NOT found in procaryotic cells? Question 9 options: A) plasma membranes B) endoplasmic reticulum C) ribosomes D) nuclear material Save Question 10 (1 point) Algae do not possess a membrane bound nucleus. Question 10 options: True False Save Question 11 (1 point) Trypanosomes are typical parasitic members of the Mastigophora. Question 11 options: True False Save Question 12 (1 point) Eukaryotic cell cilia are used for motility. Question 12 options: True False Save Question 13 (1 point) Diploid genomes contain two sets of chromosomes. Question 13 options: True False Save Question 14 (1 point) All of the following statements concerning meiosis are true EXCEPT: Question 14 options: A) Meiosis converts haploid cells to diploid cells. B) Genec variety comes from crossing over in meiosis I. C) Tetrads are visible unl anaphase I. D) Meiosis occurs in two stages. E) DNA replication occurs before meiosis begins. Save Question 15 (1 point) Eukaryotic cells do not have peptidoglycan cell walls. Question 15 options: True False Save Question 16 (1 point) Bacterial cells are so similar to each other that physical characteriscs cannot be used in idenﬁcaon of organisms. Question 16 options: True False Save Question 17 (1 point) Molds are prokaryotic. Question 17 options: True False Save Question 18 (1 point) Microbiology is the study of any small living organism that you cannot see without using a microscope. Question 18 options: True False Save Question 19 (1 point) Bacterial pili are used for molity. Question 19 options: True False Save Question 20 (1 point) It can be stated that microbiology is not just the study of microes, but also a study of how they interact with the environment. Question 20 options: True False Save Question 21 (1 point) Prokaryotic cells do not possess a true nucleus.

BIO | 215 | Microbiology | assessment | Question 5 (1 point) Which of 

Question 1 (1 point) The ﬁrst disease proven to be bacterial in origin was Question 1 options: A) yellow fever. B) anthrax. C) malaria. D) cholera. E) tuberculosis. Save Question 2 (1 point) Microbes can be compared to humans because Question 2 options: A) they both reproduce B) they both respond to external smuli C) they both possess all of the above characteriscs. D) they are both composed of cells E) they both internalize chemicals and energy Save Question 3 (1 point) Which of the following is NOT true of endospores? Question 3 options: Endospores are resistant to boiling and chemicals. Endospores are dormant. Sporulation results in the degradation of the cell wall. Endospores are a reproductive structure. Bacillus and Clostridium are genera that produce them. Save Question 4 (1 point) Probably one of the most imortant contributions of Robert Koch in his quest for proving the germ theory of disease was the Question 4 options: A) development of asepsis in surgery. B) technique of growing microbes in pure cultures. C) use of the bunsen burner. D) use of test animals in research. Save Question 5 (1 point) This theory states that living organisms are derived from pre-exisng living organisms Question 5 options: A) spontaneous generation theory B) germ theory C) biogenesis theory D) cell theory E) cremation theory Save Question 6 (1 point) Which one of the following scientists disproved spontaneous generation by using swn-necked ﬂasks in his eperiments? Question 6 options: A) Tyndall B) Semmelweis C) Koch D) Redi E) Pasteur Save Question 7 (1 point) Anton van Leeuwenhoek was the ﬁrst person in history to: Question 7 options: A) develop a taxonomic system. B) view protozoa and bacteria. C) use a magnifying glass. D) prove the germ theory. E) disprove spontaneous generation. Save Question 8 (1 point) All of the following individuals were involved in the development of the germ theory of disease EXCEPT: Question 8 options: A) Pasteur B) i don't know C) Koch. D) Fracastoro E) Francesco Redi Save Question 9 (1 point) Microbiology is the study of any small substance that you cannot see without using a microscope Question 9 options: True False Save Question 10 (1 point) Lipid A poron of the lipopolysaccharide of Gram negave cells is also known as Question 10 options: mycolic acid. pilin. lipopolysaccharide. endotoxin. teichoic acid. Save Question 11 (1 point) Which of the following statements concerning Koch's postulates is false?

BIO | 215 | Microbiology | assessment | Question 1 (1 point) The ﬁrst 

1. Epithelial ssue is characterized by each of these traits, except that a. It lacks blood vessels b. It funcons in secreon, absorpon, and excreon c. Epithelial cells are loosely packed and have an extensive intercellular material d. It is anchored to a basement 2. The outer layer of the skin is composed of _____ a. Transional epithelium b. Pseudostra

BIO | 110 | Biology I | study guides | 1. Epithelial ssue is charact

BIO | 215 | Microbiology | homework | Question 1 (1 point) The ﬁrst 

2. Not always dominant 17.What is recombination frequency? How is it related to linkage? 1. A measure of genetic linkage and is used in the creation of a genetic linkage map 2. Recombination frequency is the frequency with which a single chromosomal crossover will take place between two genes during meiosis 18.Understand the types of chromosomal mutation

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