Bio 171 Final Exam || with A+ Guaranteed Solutions.
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Course
Bio 171
Institution
Bio 171
Match each of the following organelles with the correct description:
Nucleus
Endoplasmic Reticulum
Lysosomes
Chloroplasts
Ribosomes
Cytoplasm correct answers Nucleus - Contains genomic content
Endoplasmic Reticulum - Series of membrane-enclosed sacs and interconnected tubes
Lysosomes...
Endoplasmic Reticulum - Series of membrane-enclosed sacs and interconnected tubes
Lysosomes - contain hydrolytic enzymes for digestion
Chloroplast - site of photosynthesis
Ribosomes - function in protein synthesis
Cytoplasm - constitutes the open volume within a cell
Briefly explain how a Scanning Electron Microscope ( SEM ) forms an image of subcellular
organelles , substrates , and viral particles .
TEM correct answers When using an SEM the samples are coated with gold or palladium, then
exposed to a beam of electrons that reflects off the surface of the specimen creating a 3-D image
When using a TEM, the sample is sliced very thinly and the electron passes through sample
visualizing organelles, substrates, and viral particles
Match each of the following diseases to the correct bacterial family:
Identify each of the following microorganism as either a Prokaryote or a Eukaryote.
E. Coli
Archaeons
Yeast
Amoeba correct answers E. Coli - Prokaryote
Archaeons - Prokaryote
Yeast - Eukaryote
Amoeba - eukaryote
Describe the primary distinction between prokaryotic and eukaryotic cells correct answers
Eukaryotic cell contains a nucleus that houses the genetic component of the organism, while
prokaryotic cells do not have a nucleus and their DNA is found in the cytoplasm
Match each of the following terms with the correct desrcription:
Phototroph
Lithotroph
Autotroph
Chemotroph correct answers Phototroph - Utilize photons to generate ATP from ADP
Lithotroph - Remove electrons from inorganic molecules
Autotroph - Obtain their source of carbon from inorganic molecules
Chemotroph - Acquire energy from preformed chemicals found in the environment
A researcher is looking to determine the source of contamination of a patient that presented with
symptoms of food poisoning . To best determine between E. coli or Salmonella as the cause ,
what type of agar will be used to isolate the growth of each ?
a. Differential Media
b. Enriched Media
c. Selective Media
d. Selective and Differential Media correct answers A. Differential Media
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