Review


 * 1) Biotech review questions [[file:Biotech Review.ppt]]

Here are the test notes for Tuesday's test, from the review group. -Cheers!

The ultimate hormones quiz with answers: __Bio Review Questions - DNA structure, history & replication__ Bonus: the Nobel prize for this was given to which scientists?
 * 1) Which enzyme builds and attaches temporary RNA primers?
 * 2) Which enzyme joins deoxyribonucleotide fragments w/ Okazaki fragments?
 * 3) Which enzyme removes primers & replaces them with deoxyribonucleotides?
 * 4) Which is the leading strand, which is the lagging strand?
 * 5) Who developed the model of semi-conservative replication?
 * 6) Which enzyme is responsible for synthesizing complementary strands of DNA in DNA replication?
 * 7) What is the function of gyrase?
 * 8) Which enzyme breaks the H bonds?
 * 9) Wheich end terminates with a phosphate group? A hydroxyl group?
 * 10) How many nm between adjacent base pairs?
 * 11) How many nucleotides are there in one complete turn?
 * 12) What is the diameter of DNA?
 * 13) How many rings do purines have? Pyrimidines?
 * 14) What are the purines? What are the pyrimidines?
 * 15) How many H bonds do C and G form? A and T?
 * 16) Which scientist used x-ray crystallography to suggest that DNA is helical in nature?
 * 17) What were the findings of Hershey and Chase's research with the bacteriophage virus?
 * 18) Which scientist used acetabularia to determine the location of hereditary information?

__Answers__ Bonus: Watson, Crick, Wilkins
 * 1) Primase
 * 2) Ligase
 * 3) DNA polymerase I
 * 4) 5' to 3', 3' to 5'
 * 5) Meselon and Stahl
 * 6) DNA polymerase III
 * 7) Relieves tension
 * 8) DNA helicase
 * 5', 3'
 * 1) 0.34nm
 * 10
 * 1) 2nm
 * 2, 1
 * 1) A & G, C & T
 * 3,2
 * 1) Franklin
 * 2) DNA is the hereditary material
 * 3) Hammerlin

__Bio Review Questions from Quiz-Quiz-Trade__ __Answers__:
 * 1) What are the three stages of transcription?
 * 2) List the three sites on a ribosome used in translation.
 * 3) What are 3 posttranscriptional modifications in transcription?
 * 4) What is a vector? Hint: a plasmid is one
 * 5) What is one difference between a lac operon & a trp operon?
 * 6) The 3rd position of a codon, which can sometimes change, is called the position.
 * 7) In ribosomal subunits, 60S + 40S = ?
 * 8) What is a replication bubble?
 * 9) Fill in the blanks: Gel electrophoresis takes advantage of DNA's _ charge and separates them on the basis of _.
 * 10) Which bases are purines and which are pyrimidines?
 * 11) True or false: both eukaryotes and prokaryotes use operons
 * 12) DNA is
 * 1) Initiation, elongation, termination
 * 2) Acceptor, Peptide, Exit
 * 3) a 5`cap is added, a poly-A tail is added, and introns are removed
 * 4) Vehicles by which DNA may be introduced into host cells
 * 5) One involves lactose, other involves tryptophan. One makes more when the substrate is high (lactose) the other when it`s low (tryptophan)
 * 6) Wobble
 * 7) 80S
 * 8) The region where two replication forks are in close proximity to each other, producing a bubble in the replicating DNA
 * 9) negative; size
 * 10) Purines: A & G Pyrimidines: C & T
 * 11) False - only prokaryotes do
 * 2
 * 1) plasmids
 * 2) Cutting both strands, allowing them to swivel around one another, then resealing cut strands

Review notes and questions will be posted here. _ Layered Curriculum- Biological Molecules Review- Katie Scott 1.Which nitrogenous base cannot be found in RNA? a) adenine b) guanine c) cytosine d) thymine e) uracil

2. Draw diagrams for a condensation reaction between any 2 amino acids.

3. Explain why unsaturated fat is healthier than saturated fat.

4. Which one of these macromolecules is from a different group than the rest? a) enzymes b) cutin c) hemoglobin d) keratine

5. Which two functional groups can be found on either side of an amino acid? a) amino and hydroxyl groups b) amino and phosphate groups c) carboxyl and amino groups d) carboxyl and phosphate groups e) phosphate and hydroxyl groups

6. This bond/ linkage holds monosaccharides to one another: a) glycosidic linkage b) ester linkage c) amide linkage d) phospho-diester bond

7. Which carbohydrate is used for storage in plants? a) glycogen b) cellulose c) starch d) chitin

review sheet for macromolecules-Yi Lin

[|Biochemistry Review Fill in the Blanks.pdf] by Roshni Patel