Biotechnology

Multiple Choice

What is the significance of genetic engineering in modern biotechnology?

• It allows for the creation of new species

• It enables targeted modifications of DNA for beneficial traits

• It is only used for cloning animals

• It is primarily used for entertainment purposes

Multiple Choice

What is the main purpose of gel electrophoresis in molecular biology?

• To separate molecules based on size

• To amplify DNA

• To sequence DNA

• To clone genes

Multiple Select

Select all correct statements about the movement of DNA fragments in gel electrophoresis.

• Longer DNA fragments move slower than shorter fragments

• Smaller DNA fragments travel farther in the gel

• All fragments move at the same speed

• Bands are created based on fragment size

Multiple Choice

Which of the following steps is NOT part of the gel electrophoresis process?

• Cutting DNA with restriction enzymes

• Running fragments on a gel with electric current

• Reading bands under UV light

• Synthesizing proteins from DNA

Multiple Choice

In the gel shown, is the father established in A or B?

• A

• B

• Both

• Neither

Multiple Choice

Which technique is used to identify and catalogue endangered species?

• Gel electrophoresis

• PCR

• DNA sequencing

• Microscopy

Multiple Choice

What is a transgenic organism?

• An organism with a gene from another organism

• An organism with a mutated gene

• An organism with no genes

• An organism with extra chromosomes

Multiple Select

Select all correct statements about the use of transgenic organisms in agriculture.

• They can help crops resist pests.

• They can make crops frost resistant.

• They are only used for decorative purposes.

• They can be grown to appeal to human tastes.

Multiple Choice

What is selective breeding and how is it exemplified in the case of dogs?

• A process where organisms breed naturally without human intervention

• A process where humans choose specific organisms to breed for desired traits

• A process where only wild animals are bred

• A process where genetic modification is done in a laboratory

Open Ended

Explain the main goal of the Human Genome Project and why scientists wanted to identify and map all the genes of the human genome.

Multiple Select

Which of the following are potential benefits of knowing the human genome, as established by the Human Genome Project?

• Identifying genes that cause genetic conditions

• Treating diseases such as diabetes and cancer

• Creating genetically modified foods

• Improving selective breeding in animals

Multiple Choice

What is the significance of being able to read the genetic blueprint of a human being, as achieved by the Human Genome Project?

• It allows scientists to clone humans

• It enables scientists to identify and treat genetic diseases

• It helps scientists create new species

• It allows scientists to modify animal genomes

Multiple Choice

Which of the following diseases can be treated using gene therapy?

• Diabetes

• Immunodeficiency

• Hypertension

• Asthma

Multiple Select

Which of the following are potential concerns associated with genetically modified organisms (GMOs)?

• Allergies

• Gene transfer to cells of the body

• Improved crop yield

• Lower prices

Multiple Select

Which steps are involved in the process of cloning an organism?

• Removing the nucleus from a female egg cell

• Retrieving the nucleus from a somatic cell

• Inserting the somatic nucleus into an egg cell

• Providing growth factors