Exam (elaborations)
ENVS 2126 Exam 1 Questions with Correct Answers.
- Course
- Institution
ENVS 2126 Exam 1 Questions with Correct Answers.
[Show more]
Content preview
ENVS 2126 Exam 1 Questions with Correct AnswersSome microorganisms can undergo ________ in which various cell types can become specialized and arise from one parent cell type Correct
Answer-Differentiation
The lipopolysaccharide (LPS) layer is found ONLY in the cell walls of Correct Answer-Gram-negative bacteria
Transposable elements are Correct Answer-segments of DNA that move from one site to another
Which of the following is formed on the lagging strand during DNA synthesis? Correct Answer-Okazaki fragments
Why is ribosomal RNA especially useful for the study of phylogenetic relationships? Correct Answer-It is highly conserved
Membrane-enclosed organelles, such as nuclei, lysosomes, endoplasmic reticulum, mitochondria, and chloroplasts Correct Answer-form specialized compartments within eukaryotic cells for specific functions to occur.
An endotoxin is Correct Answer-The toxic portion of the LPS The disease anthrax is caused by the pathogenic bacterium ________, which produces heat-resistant structures known as ________ Correct Answer-Bacillus anthracis / endospores
Where within a eukaryotic cell is ribosomal RNA (rRNA) synthesized? Correct Answer-Nucleolus
Developments in the fields of immunology and medical microbiology were practical extensions of the work of Correct Answer-Robert Koch
Polycistronic transcription units are common in Correct Answer-Both Archaea and Bacteria
Bacteria with type IV pili Correct Answer-Likely exhibit twitching motility
The rigid layer that is present in the cell walls of Bacteria that is primarily responsible for the strength of the wall is known as Correct Answer-peptidoglycan
What is the biological function of endospores? Correct Answer-They enable organisms to endure extremes of temperature, drying, and nutrient depletion
Transcription of chaperones is greatly accelerated when a cell is stressed
by Correct Answer-Excessive heat
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller cracker. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now