UNIVERSITY OF THE DISTRICT OF COLUMBIA
COMMUNITY COLLEGE OF THE DISTRICT OF COLUMBIA
(The Diversity of Prokaryotes & Viruses; Protists & Fungi; Plants)
Answer all questions.
Due Date: Thursday December 4
No marks for late submission
True/False : Bacterial cell walls contain peptidoglycan
True/False: Mobile prokaryotes can move around with the help of flagella
True/False: Bacteria are multicellular microbes
True/False: Anaerobic bacteria require high levels of oxygen to survive
True/False: Bacterial endospores are easily damaged by heat and drying
True/False: Bacteria recycle nutrients in the environment through decomposition
True/False : Bacterial endospores are used for keeping the bacteria alive under harsh conditions
True/False: Antibiotics can be effective only against a bacterium
True/False: Dental plaque is an example of biofilm
True/False: To limit your risk from food-borne bacteria, you should cook foods thoroughly.
Which structure enables a bacterium to survive and infect a host even after a long period of harsh conditions __________________________
What is binary fission?
What is conjugation?
Mutations that improve the survival and reproduction of organisms, and thus contribute to the evolution of species, arise rapidly in prokaryotes due to their __________________________?
Intestinal bacteria are necessary for plant-eating animals to digest ____________________
Bacteria that live in root nodules help plants produce ____________________________
Name a plant that contains nitrogen-fixing bacteria in their root nodules ___________________________?
Streptococcus is a type of _______________________
Flesh eating bacteria is a type of _________________________
What bacteria is a normal inhabitant of a cow's digestive tract that can cause harm to people when it contaminates ground beef? ___________________________________
What is a bacteriophage?
True/False: Protists are eukaryotes
True/False: A protist that lives inside a host organism and absorbs nutrients from that living host is said to be a parasite
True/False: Protists that absorb nutrients from dead organic matter are decomposers