MBV2010 Colloquium, January 28
RULES Multiple choice Only one correct answer seconds to answer No textbook, computer, mobile phone, please There will be a prize for the group with the most correct answers.
Example 4789 x 9548 = ?? A B C D
Example 4789 x 9548 = ?? 0
Nucleic acids were first isolated in the … A 17 th century B 18 th century C 19 th century D 20 th century 1
Nucleic acids were first isolated in the … 1 Friedrich Miescher
The major form of DNA in cells is … A A-DNA B B-DNA C C-DNA D Z-DNA 2
The major form of DNA in cells is … 2
A A-DNA B B-DNA C C-DNA D Z-DNA 3 Which form of DNA is shown here ?
3
Most RNA in cells is … A messenger RNA B transfer RNA C micro RNA D ribosomal RNA 4
Most RNA in cells is … 4
DNA synthesis A proceeds in 3’ -> 5’ direction B uses ribonucleotides C releases pyrophosphate (P-P) D is slower than RNA synthesis 5
DNA synthesis 5
The genetic code A consists of 62 codons B has 3 stop codons C is used in transcription D specifies 25 amino acids 6
The genetic code 6
Restriction endonucleases A are located in the nucleus of cells B are sequence-specific C were discovered in the 1980s D are present in bacteria and fungi 7
Restriction endonucleases 7
Which compound is not found in nucleic acids? A Pyridines B Purines C Phosphate D Ribose 8
Which compound is not found in nucleic acids? 8 PyridinePyrimidine
The secondary structure of proteins is stabilized by … A Ionic bonds B Hydrogen bonds C Disulfide bonds D Hydrophobic interactions 9
The secondary structure of proteins is stabilized by … 9
An alpha-helix A is a DNA structure B is a protein structure C winds to the left D is stabilized by base stacking 10
An alpha-helix 10
ß-sheets are stabilized by A hydrophobic bonds B ionic bonds C hydrogen bonds D all of the above 11
ß-sheets are stabilized by 11
The human nuclear genome … A is split into 24 chromosomes B Is the largest genome known to date C Contains about 2 billion bp D Contains about 40,000 genes 12
The human nuclear genome … 12 Human female karyogram
A codon bias … A is present in intergenic regions of a genome B is used to find protein- coding genes C is only present in eukaryotic genomes D has been found for all codons 13
A codon bias … 13