BIOL 251 Final Exam – Anatomy and Physiology Practical Questions with Well-Reviewed Answers

BIOL 251 FINAL EXAM with practical
questions and well reviewed answers
Where are phospholipids most likely found in a Prokaryotic cell?


A. Flagella

B. Plasma membrane

C. All of these answers are correct

D. Around organelles - CORRECT ANSWERS-B. Plasma membrane



Which of the following is nota reason fungi can grow where bacteria can not?



A. Fungi are most resistant to osmotic pressure than bacteria

B. Fungi are more heat tolerant than more bacteria

C. Fungi can grow at a pH of 5, too low for most bacteria

D. Fungi require less nitrogen than bacteria - CORRECT ANSWERS-B. Fungi are more heat tolerant than
more bacteria



Which of the following is not a function of teichoic acid found in Gram positive cell walls?



A. Produces endotoxin, which causes endotoxic toxic

B. Prevention of excessive cell wall breakdown

C. Provides antigenicity to the cell wall

D. Regulation of the movements of cations - CORRECT ANSWERS-A. Produces endotoxin, which causes
endotoxic toxic



Which scientist discussed in class is responsible for developing an experimental procedure that allows us
to prove a specific microbe causes a specific infectious disease?

,A. John Needham

B. Rosalind Franklin

C. Leo Spallanzani

D. Robert Koch

E. Robert Hooke - CORRECT ANSWERS-D. Robert Koch



Which of the following is not included in the field of microbiology?



A. Bacteriology

B. Mycology

C. Parasitology

D. Ethology

E. Virology - CORRECT ANSWERS-D. Ethology



For most pathogenic dimorphic fungi:



A. Growth with CO2 is yeast-like, growth without CO2 is mold-like

B. Growth with CO2 is mold-like, growth without CO2 is yeast-like

C. Growth at 25C is yeast-like, growth at 37C is mold-like

D. Growth at 25C is mold-like, growth at 37C is yeast-like - CORRECT ANSWERS-D. Growth at 25C is
mold-like, growth at 37C is yeast-like



James Watson, Francis Crick, Maurice Wilkins, and Rosalind Franklin discovered the structure of DNA,
but which one did not receive the Nobel Prize for the work?

,A. Francis Crick

B. Maurice Wilkins

C. James Watson

D. Rosalind Franklin - CORRECT ANSWERS-D. Rosalind Franklin



Which of the following is not a basic viral morphology?



A. Linear

B. Complex

C. Helical

D. Polyhedral

E. Enveloped - CORRECT ANSWERS-A. Linear



When budding yeast fail to separate after division, they form short chains of cells called?



A. Streptococci chains

B. Conidophores

C. Pseudohypha

D. Hyphae

E. Budding chains - CORRECT ANSWERS-C. Pseudohypha



Which of the following is true fir bacterial endospores?



A. Endospores are for reproduction

B. A cell produces one endospore and continues growing

, C. A cell can produce many endospores

D. Endospores allow a bacteria to survive environmental changes - CORRECT ANSWERS-D. Endospores
allow a bacteria to survive environmental changes



The term used to describe which organism a virus can infect is?



A. Tissue tropism

B. None of these answers are correct

C. Receptor-mediated endocytosis

D. Cytopathic effects

E. Host range - CORRECT ANSWERS-E. Host range



Which of the following is not a method we use for the cultivation of animal viruses?



A. Using cell culture

B. Using live animals

C. Using embryonated eggs

D. Using bacteria growing on agar plates - CORRECT ANSWERS-D. Using bacteria growing on agar plates



Which of the following is a problem facing microbiologists in the modern era? Select all correct answers.



A. The emergence of new diseases and the re-emergence of diseases thought to be well controlled

B. Rapid disease spread due to the mobility of people

C. Increased antibiotic resistance caused by the misuse of antibiotics

D. Climate change allowing species-like mosquitoes to move into new habitats, bringing new diseases
with them - CORRECT ANSWERS-All of the above