BSC 101 Exam 2 Questions with Answers (100% Correct
Answers)
DNA is all over our body and can be retrieved through anything with
cells Answer: True
Complete the hydrogen bond: Adenine Answer: Thymine
Complete the hydrogen bond: Ctyosine Answer: Guanine
How many bonds does AT form? Answer: 2
How many bonds does CG form? Answer: 3
each hydrogen bond is weak until formed together on helix Answer:
True
Copying of DNA code to RNA. Happens one nucleotide at a time so it
is complementary to DNA Answer: Transcription
When does the DNA code get trasnalted into a protein? Answer: After
it is copied to a molecule of RNA
When RNA gets translated into a protein Answer: Translation
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,2
What does the universal genetic code mean? Answer: All ogranisms
are related and use teh same genetic code
Is it possible to take a gene from one organism to another in a different
individual or species? Answer: Yes
A 3 letter word that acts in the coding of amino acids Answer: Codons
Is there more than one codon for each amino acid? How many in total?
Answer: Yes, there is more than one. There are 64 total for 20 total
amino acids.
Does every cell with a specific gene get transcribed into RNA the
translated into a protein? Answer: No
Process of turning on a gene in order to produce RNA and protein
Answer: Gene expression
What must happen for a cell to function properly? Answer: The correct
proteins must be synthesized at the correct time
Do all cells have the same complete genome? Answer: Yes
Does every cell express all the genes? Answer: No, only the ones that
make it function how it is meant to
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, 3
Modification of genetic material from living organisms so they can
produce new compounds and perform new functions. Answer:
Biotechnology
What is biotechnology used for in agriculture? Answer: Selective
breeding
How is DNA extraction perfromed? Answer: By extracting nucleic
acid by breaking open the cell by using enzymic reactions to get rid of
all the undesired macromolecules which then physically separates the
DNA.
Which biotech tool forms a gelatinous mass? Answer: DNA extraction
When DNA strands are separated based on length and molecules by
their charge Answer: Gel electrophoresis
Is DNA negatively or positively charged? Answer: Negatively
Which biotech tool takes a few copies of DNA and makes millions of
copies Answer: Polymerase chain reaction
Where can copies be made for a polymerase chain reaction? Answer:
In the specific region of the genome
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