Lecture 5 - Advancements in Science and Technology Flashcards
Which of the following is an example of biological technology that could shape society?
A) Fossil fuels
B) Synthetic Biology
C) Traditional agriculture
D) Mechanical engineering
Synthetic Biology
What are some key areas of biotechnology mentioned in the context of shaping society?
A) Robotics and automation
B) Genomics, proteomics, cloning, genetic engineering, CRISPR
C) Telecommunications and media
D) Traditional farming practices
Genomics, proteomics, cloning, genetic engineering, CRISPR
What is recommended before exploring the impacts of biological technologies on society?
A) Reviewing economic theories
B) Understanding the central dogma of biology and the genetic code table
C) Learning about historical technologies
D) Studying environmental science
Understanding the central dogma of biology and the genetic code table
What are the primary roles of DNA, RNA, and protein molecules in biology?
A) DNA stores genetic information, RNA helps in protein synthesis, and proteins perform various functions in the cell.
B) DNA provides energy, RNA stores information, and proteins are structural components.
C) DNA transports nutrients, RNA stores genetic information, and proteins catalyze reactions.
D) DNA acts as a catalyst, RNA is a waste product, and proteins are only for structural support.
DNA stores genetic information, RNA helps in protein synthesis, and proteins perform various functions in the cell.
What is DNA replication, and what is its purpose?
A) The process of converting DNA into RNA; its purpose is to create proteins.
B) The process of copying DNA; its purpose is to ensure that each new cell receives a complete set of genetic information.
C) The process of breaking down DNA; its purpose is to recycle genetic material.
D) The process of converting RNA into DNA; its purpose is to regulate gene expression.
The process of copying DNA; its purpose is to ensure that each new cell receives a complete set of genetic information.
What is transcription, and what is its significance?
A) The process of copying RNA into DNA; it is significant for gene expression regulation.
B) The process of converting DNA into RNA; it is significant for synthesizing proteins.
C) The process of translating RNA into protein; it is significant for cellular energy production.
D) The process of synthesizing DNA; it is significant for DNA repair.
The process of converting DNA into RNA; it is significant for synthesizing proteins.
What is translation, and what is its significance?
A) The process of converting RNA into DNA; it is significant for DNA replication.
B) The process of converting RNA into proteins; it is significant for producing the proteins necessary for cellular functions.
C) The process of breaking down proteins into amino acids; it is significant for recycling cellular materials.
D) The process of synthesizing RNA; it is significant for regulating gene expression.
The process of converting RNA into proteins; it is significant for producing the proteins necessary for cellular functions.
What does genomics study?
A) The structure and function of proteins
B) The DNA sequence organization, function, and evolution of genes
C) The effects of environmental factors on gene expression
D) The processes of cell division and replication
The DNA sequence organization, function, and evolution of genes
What is the main focus of proteomics?
A) The identification of all the genes in an organism
B) The study of DNA replication processes
C) The identification of all proteins in a cell or organism, including their modifications and interactions
D) The mapping of genetic traits in populations
The identification of all proteins in a cell or organism, including their modifications and interactions
What technological advancement made genomics possible?
A) Microscopy
B) CRISPR technology
C) Recombinant DNA techniques (gene cloning or genetic engineering)
D) DNA sequencing methods
Recombinant DNA techniques (gene cloning or genetic engineering)
What is biotechnology?
A) The study of extinct organisms
B) The use of living organisms in any form for practical applications
C) The production of artificial intelligence
D) The development of non-living materials
The use of living organisms in any form for practical applications
Which of the following is an example of biotechnology?
A) Using a computer to design a website
B) Cloning animals for agricultural purposes
C) Building bridges with metal
D) Writing a novel
Cloning animals for agricultural purposes
In biotechnology, what types of living organisms are commonly used?
A) Only plants
B) Only animals
C) Microorganisms, plants, and animals
D) Only bacteria
Microorganisms, plants, and animals
What is traditional biotechnology primarily used for?
A) Creating artificial intelligence
B) Food preservation and production
C) Industrial manufacturing
D) Space exploration
Food preservation and production
What method of food preservation involves removing moisture to prevent microbial growth?
A) Freezing
B) Fermentation
C) Drying or dehydrating
D) Canning
Drying or dehydrating
Which of the following is an example of a dried food product?
A) Fresh vegetables
B) Dried fish
C) Raw meat
D) Frozen fruits
Dried fish
What is fermentation?
A) A method of freezing food
B) A process using microorganisms to produce a product
C) A technique for drying foods
D) A method for cooking food
A process using microorganisms to produce a product
Which of the following is NOT an example of a fermented product?
A) Wine
B) Kimchi
C) Atsara/Atchara
D) Dried fruits
Dried fruits
How do molecular tools in modern biotechnology help scientists?
A) They enable the manipulation of living organisms for aesthetic purposes.
B) They improve the efficiency of traditional farming techniques.
C) They enhance understanding of genetic structures and functions in living organisms.
D) They allow for the complete replacement of natural ecosystems.
They enhance understanding of genetic structures and functions in living organisms.
What is a key benefit of modern biotechnology?
A) It allows for the destruction of genetic material.
B) It provides molecular tools for understanding the structure and function of genes.
C) It replaces all traditional farming methods.
D) It eliminates the need for any scientific research.
It provides molecular tools for understanding the structure and function of genes.
Which of the following is NOT typically associated with modern biotechnology?
A) Gene editing
B) DNA sequencing
C) Organic farming
D) Genetic engineering
Organic farming
Which of the following is an aim of modern biotechnology?
A) Develop new precision tools and diagnostics
B) Eliminate all forms of agriculture
C) Increase the use of chemical fertilizers only
D) Focus solely on traditional farming methods
Develop new precision tools and diagnostics
What aim of modern biotechnology addresses issues like salinity and drought in agriculture?
A) Increase crop varieties
B) Combat salinity, drought, and agricultural problems
C) Reduce production costs
D) Enhance food taste
Combat salinity, drought, and agricultural problems
How does modern biotechnology aim to enhance food quality?
A) By increasing the sugar content of all foods
B) By enhancing the nutritional quality of food
C) By preserving food indefinitely
D) By eliminating all nutrients
By enhancing the nutritional quality of food
What is one of the economic aims of modern biotechnology?
A) Increase production costs
B) Reduce inputs and production costs
C) Decrease the variety of crops available
D) Eliminate pest control
Reduce inputs and production costs
Which aim of modern biotechnology relates to improving crop resilience?
A) Develop pest- and disease-resistant crops
B) Increase reliance on traditional pest control
C) Limit crop varieties
D) Focus on ornamental plants only
Develop pest- and disease-resistant crops
What techniques are used to modify the genetic makeup of GMOs?
A) Traditional crossbreeding only
B) Recombinant DNA methods, gene modification, and transgenic technology
C) Natural selection
D) Chemical treatment
Recombinant DNA methods, gene modification, and transgenic technology
What are genetically modified organisms (GMOs)?
A) Organisms that occur naturally in the environment
B) Products of artificial manipulation of genetic material in a laboratory
C) Organisms created through traditional breeding methods
D) Organisms that have never been altered in any way
Products of artificial manipulation of genetic material in a laboratory
What is another name for genetically modified organisms, reflecting the process involved?
A) Hybrid organisms
B) Transgenic organisms
C) Cloned organisms
D) Natural organisms
Transgenic organisms
What issues do GMOs aim to address?
A) Food security, agriculture, drug production, and nutrition
B) Only cosmetic improvements in plants
C) Traditional farming techniques
D) Reducing the variety of food sources
Food security, agriculture, drug production, and nutrition
Who were the first scientists to genetically modify an organism?
A) James Watson and Francis Crick
B) Herbert Boyer and Stanley Cohen
C) Gregor Mendel and Charles Darwin
D) Louis Pasteur and Edward Jenner
Herbert Boyer and Stanley Cohen
What is one of the main advantages of genetically modified organisms (GMOs)?
A) Increased crop yield
B) Decreased food production
C) Higher prices for consumers
D) Reduced crop variety
Increased crop yield
What is a major concern regarding GMOs and consumer health?
A) GMOs are always safe for consumption
B) There is a growing concern about how GMOs may affect consumers’ health
C) GMOs are known to enhance human health
D) Consumers have no interest in GMOs
There is a growing concern about how GMOs may affect consumers’ health
Which of the following is a benefit of GMOs related to pest management?
A) Increased use of chemical pesticides
B) Pest resistance
C) Lower nutritional value
D) Reduced food variety
Pest resistance
Which of the following is a human rights concern related to GMOs?
A) GMOs are more affordable for everyone
B) There are concerns about equitable access and control over GMO technology
C) GMOs are universally accepted without debate
D) GMOs eliminate the need for food security
There are concerns about equitable access and control over GMO technology
What is a potential environmental concern associated with GMOs?
A) They always improve biodiversity
B) They may lead to serious epidemics if viruses or bacteria are accidentally engineered
C) They have no impact on the environment
D) They increase soil quality
They may lead to serious epidemics if viruses or bacteria are accidentally engineered
What was the first genetically modified organism (GMO) approved by the FDA?
A) Flavr Savr tomato
B) Humulin (insulin produced using genetically engineered E. coli)
C) Bt corn
D) Roundup Ready soybean
Humulin (insulin produced using genetically engineered E. coli)
What is bovine somatotropin (bST) used for?
A) To reduce meat production
B) To increase milk production in dairy cows
C) To enhance crop yield
D) To promote plant growth
To increase milk production in dairy cows
What is the Flavr Savr tomato known for?
A) Its high protein content
B) Its ability to ripen faster
C) Its delayed ripening effect, providing a longer shelf life
D) Its resistance to pests
Its delayed ripening effect, providing a longer shelf life
Which of the following is an example of a GMO developed for pest resistance?
A) Humulin
B) Flavr Savr
C) Bt potatoes and corn
D) bST
Bt potatoes and corn