Exam (elaborations)
Molecular Biology Principles And Practice 2nd ed by Micheal Cox
- Module
- Molecular Biology
- Institution
- Molecular Biology
Molecular Biology Principles And Practice 2nd ed by Micheal Cox
[Show more]
Content preview
,Molecular Biology- Principles and Practice 2eCox et. al
Chapter 1
1. The requirements of a living system include:
A. raw materials and energy.
B. catalysis of reactions.
C. a selective barrier.
D. biological information.
E. All of these choices are correct.
Answer: E
Section: 1.1
Level: Easy
Blooms: Knowledge
2. The cell keeps pH, temperature, and ion concentrations within a narrow window in order to maintain
______________.
Answer: homeostasis
Section: 1.1
Level: Easy
Blooms: Knowledge
3. The process of synthesizing DNA from RNA is called:
A. reverse transcription.
B. transcription.
C. translation.
D. replication.
Answer: A
Section: 1.1
Level: Medium
Blooms: Knowledge
4. Deinococcus radiodurans is (select all that apply):
A. resistant to ionizing radiation.
B. able to repair DNA breaks without ATP.
C. killed via desiccation.
D. unique in its ability to withstand ionizing radiation.
E. adapted to withstand the desert environment.
Answer: A, E
,Section: 1.1
Level: Medium
Blooms: Comprehension
5. Earth’s early atmosphere contained (select all that apply):
A. methane.
B. water.
C. nitrogen.
D. hydrogen.
E. organic molecules.
Answer: A, B, C, D
Section: 1.1
Level: Easy
Blooms: Knowledge
6. The RNA World hypothesis is directly supported by all the following except:
A. catalytic RNAs.
B. ribozymes showing diverse function.
C. ribosome structure.
D. micelle to vesicle formation.
Answer: D
Section: 1.1
Level: Medium
Blooms: Comprehension
7. When a cell acquires a new function, it usually has acquired:
A. additional nutrients.
B. additional energy.
C. additional volume.
D. a new enzyme.
Answer: D
Section: 1.1
Level: Easy
Blooms: Knowledge
8. LUCA, the last universal common ancestor, is:
A. a prehistoric protozoan cell.
B. an embryonic cell (in fetus).
C. the simplest bacterial cell.
, D. a cell from which all organisms descended.
Answer: D
Section: 1.1
Level: Medium
Blooms: Knowledge
9. Scientists currently theorize that:
A. it is possible to synthesize a simple cell similar to LUCA.
B. cells from the Archaea group are most similar to LUCA.
C. cells from the Bacteria group can be mutated so they revert to LUCA.
D. evolution created LUCA from the Archaea group.
Answer: A
Section: 1.1
Level: Hard
Blooms: Application
10. The three main groups of known organisms include (select all that apply):
A. Bacteria.
B. Archaea.
C. Eukaryotes.
D. Fungi.
E. Prokaryotes.
Answer: A, B, C
Section: 1.1
Level: Easy
Blooms: Knowledge
11. The two tenets of natural selection are (select all that apply):
A. sexual reproduction in a population.
B. variation in a population.
C. competition in a population.
D. increasing number of members in a population.
Answer: B, C
Section: 1.1
Level: Easy
Blooms: Knowledge
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 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 evileye251. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £20.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
62890 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now