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Bio Exam 2
Terms in this set (24)
Viruses can be classified bases on their ____
- Shape of capsid
- Host- species, tissue, cell
COVID-19 (especially the delta variant) uses it's spike protein to hit the ___ receptor deep within the ___ system. Post-infection ___ responses by the host can potentially lead to death.
ACE2; pulmonary; inflammation
If the virus goes through "budding", then this may lead to previous host cell membrane draped over the virus. This previous host cell membrane is referred to as a(n) ___.
The "cold and flu season" often times presents the medical community with a greater number of patients with viral infections. This is because the "cold and flu season" is often times during ___.
- A time when the weather is colder
- Drier air
- More cracks in one's integument
- The virus many aeresolize
When one's stress levels go up, the hormone ___ goes ___ and immune function can go ___ if the stress is chronic (prolonged).
Cortisol; up; down
The viral enzyme ___ allows the virus to insert it's genome into the host's genome. And that viral genome can stay inserted for a long, long time with periodic viral activity that can lead to periodic medical conditions and potentially disease states.
Salmonella are in the ___.
Gamma Gram (-) proteobacteria
Heliobacter pylori, which can secrete exotoxins that lead to stomach ulcers, is in the ___.
Epsilon Gram (-) proteobacteria
Chlamidia trachomatis, widely regraded as THE most common sexually transmitted disease, is in the ___. Sometimes genus names come in handy when evaluation taxonomic constructs!
Treponema pallidum, the bacterium that causes syphilis (another STD), is a ___.
If one were to evaluate energy sources and carbon sources of the living, she or he would discern 4 major groupings: photoautotrophs, photoheterotrophs, chemoautotrophs, and chemoheterotrophs. Upon closer examination of the aforementioned, one would find bacteria in ___.
All 4 groups
The Streptomyces spp. and the Chlostridium spp. are types of ___.
Gram (+) bacteria
The diatoms are in which taxonomic Domain?
The diatoms, the brown algae and the ___ make up a phylogenetic, systematic tritomy.
Dysentery can be caused by certain bacteria (genus Shigella) and certain amoeba. These medical conditions can lead to severe gastroenteritis that can lead to severe vomiting and diarrhea which can lead to dehydration and ___.
Vitamin K is made mostly by bacteria in our lower GI tract. It is stored in the liver and is a ___ cofactor.
Streptococcus and staphylococcus are both ___ fungi.
A. Alpha Gram (-) proteobacteria
B. Beta Gram (-) proteobacteria
C. Gamma Gram (-) proteobacteria
E. None of the above
None of the above
In the primary and secondary endosymbiotic events that probably started as a heterotrophic, primitive eukaryotic organism and then evolved into primitive red and green algal forms, the modern day organisms that are a result of the red algal lineage are the dinoflagellates and the ___.
One major difference between plants and algae is (that) ___.
Algae can be unicellular
When analyzing symbiotic relationships, if one organism benefits and the second organism is neither helped nor harmed, this would be an example of ___.
Which of the following is not a member of the Supergroup Archaeplastida?
C. Red algae
Spores are associated with (being evolutionary significant because): ___
- Being resistant to inclement conditions
- Staying dormant for long periods
- Becoming active as the environment becomes conductive to germination (survival
- Production of very high numbers
- Being able to travel long distances in the wind or on animals
If one pours H2O2 into a cut on a human hand, the "bubbles" one sees are ___.
Phytophthora ramorum is associated with what disease?
Sudden Oak Death
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