Biotechnology MCQ

In order to express eukaryotic genes in a bacterium, the __________ must first be removed.

Answer

Correct Answer: Introns

Note: This Question is unanswered, help us to find answer for this one

Cloning human genes into the plasmids of bacteria has enabled scientists to __________.

Answer

Correct Answer: Use bacteria as

Note: This Question is unanswered, help us to find answer for this one

Even-aged management practices involves clearing trees that _______.

Answer

Correct Answer: Are all near the same age

Note: This Question is unanswered, help us to find answer for this one

The science that integrates all aspects of biology is called _________.

Answer

Correct Answer: Conservation biology

Note: This Question is unanswered, help us to find answer for this one

The polymerase chain reaction (pcr) can be used to produce __________ of copies in a few hours.

Answer

Correct Answer: Billions

Note: This Question is unanswered, help us to find answer for this one

Reverse transcriptase produces __________ from an rna template.

Answer

Correct Answer: CDNA

Note: This Question is unanswered, help us to find answer for this one

On one strand of dna, one nucleotide is linked to the next through _____.

Answer

Correct Answer: Covalent bonds between the sugar of one nucleotide and the phosphate of the next

Note: This Question is unanswered, help us to find answer for this one

Altering the dna of a species changes the ____ that a cell makes

Answer

Correct Answer: Proteins

Note: This Question is unanswered, help us to find answer for this one

Genetically modifying human ______ cells may directly affect future generations.

Answer

Correct Answer: Gametic

Note: This Question is unanswered, help us to find answer for this one

Ethical dilemmas raised by dna technology and knowledge of the human genome include ______.

Answer

Correct Answer: All of the above

Note: This Question is unanswered, help us to find answer for this one

Dna microarrays have made a huge impact on genomic studies because they _____.

Answer

Correct Answer: Allow the expression of many or even all of the genes in the genome to be compared at once.

Note: This Question is unanswered, help us to find answer for this one

Classical biotechnology dates back about _____ years ago.

Answer

Correct Answer: 100

Note: This Question is unanswered, help us to find answer for this one

When plasmids are used to produce a desired protein, the ______.

Answer

Correct Answer: Desired gene is inserted into the plasmid and the plasmid is taken up by the bacterium

Note: This Question is unanswered, help us to find answer for this one

To make restriction fragments, a dna sample is treated with ______.

Answer

Correct Answer: Restriction enzymes

Note: This Question is unanswered, help us to find answer for this one

Plasmid vectors often contain __________ genes that can be used to screen for recombinants.

Answer

Correct Answer: Antibiotic resistance

Note: This Question is unanswered, help us to find answer for this one

In order to insert a human gene into a plasmid, both must _____

Answer

Correct Answer: Be cut by the same restriction enzyme

Note: This Question is unanswered, help us to find answer for this one

Genetic recombination involves the use of ____ enzymes to cut out segments of dna.

Answer

Correct Answer: Restriction endonuclease

Note: This Question is unanswered, help us to find answer for this one

Gel electrophoresis separates dna fragments on the basis of differences in their ________.

Answer

Correct Answer: Length

Note: This Question is unanswered, help us to find answer for this one

In gel electrophoresis dna molecules migrate from _____ to _____ ends of the gel.

Answer

Correct Answer: Negative ... positive

Note: This Question is unanswered, help us to find answer for this one

Free-living organisms in the environment that contain a foreign gene are called ____.

Answer

Correct Answer: Transgenic

Note: This Question is unanswered, help us to find answer for this one

Many identical copies of genes cloned in bacteria are produced as a result of _____.

Answer

Correct Answer: Plasmid and bacterial cell replication

Note: This Question is unanswered, help us to find answer for this one

Human insulin is produced in large quantities by __________.

Answer

Correct Answer: Recombinant E. coli bacteria grown in large fermentation vats

Note: This Question is unanswered, help us to find answer for this one

"""sticky ends"" are produced as a result of the action of ______.

Answer

Correct Answer: A restriction enzyme

Note: This Question is unanswered, help us to find answer for this one

Restriction enzymes are obtained from ______

Answer

Correct Answer: Bacteria

Note: This Question is unanswered, help us to find answer for this one

During hybridization, _____.

Answer

Correct Answer: Two organisms with desired traits are bred together

Note: This Question is unanswered, help us to find answer for this one

If your ________ is activated, you will feel relatively at ease.

Answer

Correct Answer: Parasympathetic nervous system

Note: This Question is unanswered, help us to find answer for this one

Biotechnology is the use of _______ to improve products and processes.

Answer

Correct Answer: All of the above

Note: This Question is unanswered, help us to find answer for this one