BSC 108 University of Alabama Test 3 Review Exam Questions & Answers.
4 views 0 purchase
Course
BSC 108
Institution
BSC 108
BSC 108 University of Alabama Test 3 Review Exam Questions & Answers.BSC 108 University of Alabama Test 3 Review Exam Questions & Answers.BSC 108 University of Alabama Test 3 Review Exam Questions & Answers.
BSC 108 University of Alabama Test 3 Review Exam
Questions & Answers.
What are the differences between RNA and DNA? - ANS DNA is double-stranded,
forming a double helix, while RNA is usually single-stranded
What are the four nucleotide bases for DNA and RNA? - ANS DNA contains thymine
(T), cytosine (C), adenine (A), and guanine (G). RNA- Uracil instead of thymine
How do the bases pair in a DNA strand? RNA strand? - ANS DNA (A-T), (C-G), RNA
(A-U)
What is a mutation? What can cause a mutation? - ANS Is any change in the nucleotide
sequence of DNA. Errors in DNA replication. Physical or chemical agents called
mutagens.
Know where the sugar, phosphates, and nucleotides are located on the double helix -
ANS They consist of chemical units called nucleotides. The nucleotides are joined by a
sugar-phosphate backbone.
How can a mutation be good, bad or cause no obvious difference? - ANS Mutations are
the basis of cancer, many genetic diseases and evolution.
Who won the Nobel Prize for the structure of DNA? - ANS James Watson and Francis
Crick
Who is Rosalind Franklin? - ANS Discovered the Double Helix
What is DNA Replication? - ANS When a cell or whole organism reproduces, a
complete set of genetic instructions must pass from one generation to the next
What is Transcription? - ANS DNA to RNA
What is Translation - ANS RNA to Protein
Where does DNA Replication, Transcription and Translation take place in the cell? -
ANS Transcription occurs in the nucleus. Translation occurs in the cytoplasm. Specific
sites for DNA replication along double helix.
. How can a mutation in DNA result in a protein not functioning correctly? - ANS By
changing a gene's instructions for making a protein, a variant can cause a protein to
malfunction or to not be produced at all.
What is a mutagen? Know some examples of mutagens. - ANS a chemical or physical
agent capable of inducing changes in DNA called mutations. Cancer
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Lectjoe. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.99. You're not tied to anything after your purchase.
