EXAM UPDATED ACTUAL Exam
Questions and CORRECT Answers
Nucleus - CORRECT ANSWER - contains genomic content in eukaryotic cells
Endoplasmic reticulum - CORRECT ANSWER - series of membrane enclosed sacs and
interconnected tubes
Lysosomes - CORRECT ANSWER - contain hydrolytic enzymes for digestion
Chloroplast - CORRECT ANSWER - Site of photosynthesis
Briefly explain how a Scanning Electron Microscope (SEM) forms an image of a microscopic
specimen. - CORRECT ANSWER - Answer: An image is formed from the interactions of
electrons as they reflect off (not through) the surface of the specimen. Samples are coated in
either gold or palladium to enhance electron reflections. The reflection is seen in 3-D rendering.
Legionnaires - CORRECT ANSWER - legionella
Wound botulism - CORRECT ANSWER - Clostridium botulinum
Impetigo - CORRECT ANSWER - staph auerus
Septicemic plague - CORRECT ANSWER - yersina pestis
Yeast - CORRECT ANSWER - Eukaryote
, Mycobacterium - CORRECT ANSWER - Prokaryote
Algae - CORRECT ANSWER - Eukaryote
flu virus - CORRECT ANSWER - neither eukaryote or prokaryote
Phototroph - CORRECT ANSWER - utilize photons to generate ATP from ADP
lithotroph - CORRECT ANSWER - remove electrons from inorganic molecules
autotroph - CORRECT ANSWER - obtain their source of carbon from inorganic
molecules
chemotroph - CORRECT ANSWER - acquire energy from preformed chemicals in the
environment
A researcher is looking to solidify an agent for growth media. What polysaccharide substance
would he or she use? - CORRECT ANSWER - agar
Place the following viral life cycle steps in order beginning with viral attachment (3points) and
provide a description of "UNCOATING" (1 point). - CORRECT ANSWER - 1-
Attachment:
2-Entry:
3- Uncoating: the viral capsid disassembles
4-Replication:
5-Release:
6-New infection: