超星 - Test 6 - 查题吧

单选题

In ______, a revolutionary genome-editing method, CRISPR-Cas (clustered regularly interspaced short palindromic repeats with associated proteins), was invented. dCas9, which lost the cleavage activity of Cas9 but retains the DNA-binding specificity, greatly facilitates the design of synthetic circuits.

A. 2000
B. 2005
C. 2010
D. 2013

单选题

In a major practical milestone for synthetic biology, large-scale production of the antimalarial drug artemisinin was achieved in early ______. With funding from the Bill and Melinda Gates Foundation through OneWorld Health and PATH (Program for Appropriate Technology in Health), Amyris Inc. engineered an optimized artemisinic acid pathway in yeast and licensed it to Sanofi on a royalty-free basis.

A. 2000
B. 2004
C. 2008
D. 2013

单选题

In ______, the genome of E. coli has been synthesized.

A. 2010
B. 2013
C. 2016
D. 2019

单选题

The global synthetic-biology market was valued at 2.1 billion dollars in 2012 and reached nearly 2.7 billion dollars in 2013; this market is expected to grow to _____ billion dollars by 2021.

A. 8.4
B. 9.4
C. 10.4
D. 11.4

单选题

Although there are multiple definitions of synthetic biology, one common view is that synthetic biology is a multidisciplinary research area that combines biology with chemistry, mathematics, computer science, and engineering and focuses on _________________ of biological systems by modifying, designing, and de novo constructing biological components with new functions.

A. assessment
B. change
C. engineering
D. synthesis

单选题

With rapid progress in the relevant technologies, it is expected that synthetic biology can overcome the limitations of natural ____________ and create synthetic organisms with desired properties.

A. selection
B. evolution
C. rule
D. law

单选题

The measures that currently govern biosecurity issues are prior to synthetic biology. Given the risks posed by this discipline, these existing regulations must be revisited, updated and, if necessary, extended to implement new specific guidelines and laws.

A. shortened
B. loosened
C. tightened
D. extended

单选题

Education and awareness-raising of dual-use risks are biosecurity measures suggested to aid prevention. Among the measures needed to deal with an attack already produced, strategies to _________________________ the attack and development of consequence management capabilities are needed.

A. cover and publicize
B. avoid and elude
C. cover and avoid
D. recognize and attribute

单选题

A challenge for biosecurity is the potential of synthetic biology to further complicate the identification of a disease outbreak, so that synthetic causative agents could be ______________________ with the means currently at our disposal.

A. unforgettable
B. unforgivable
C. undetectable
D. uneditable

单选题

Given that synthetic biology is intended to be accessible to a large number of people, by simplifying and lowering the cost of the necessary processes and material, it is worrisome that the means are provided to __________ agents to perpetrate a bio-attack.

A. benign
B. malicious
C. pathogenic
D. risky

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