Mcdb exam 3 - Study guides, Class notes & Summaries

MCDB 1150 Exam 3 cu boulder Questions & Answers 2023/2024 Membrane transport - ANSWER-• Passive diffusion through membrane • "diffusion" through pore/channel • Facilitated diffusion - carrier proteins • Active transport by transporters/pumps The ability of a molecule to diffuse through a pure lipid bilayer depends on its - ANSWER-SOLUBILITY in the hydrocarbon interior of the membrane small ions (K+, Na+, Cl-) - ANSWER-virtually IMPENETRABLE insoluble in hydrophobic p...

MCDB Exam 3 Questions & Answers 2023/2024 Termination: replication - ANSWER-DNA ligase and topo 2 in bacteria ultimately termination site on chromosome (reaches end of circular DNA or ends of linear DNA) Termination: transcription - ANSWER-Ecoli: mRNA has hairpin followed by string of Us Eukaryotes: AAUAAA, then endonuclease cleaves and adds poly A HDAC - ANSWER-Histone de-acetylases -turn off transcription -condense chromatin HAT - ANSWER-histone acetyl transferases -turn on...

MCDB 3135 Exam 1 Questions & Answers 2023/2024 how is a nitrogeneous base linked to the 1' carbon of sugar in a 5-carbon ribose/deoxyribose sugar? - ANSWER-glycosidic bond how is the phosphate linked to the 5' carbon of sugar in a 5-carbon ribose/deoxyribose sugar? - ANSWER-ester bond the 3' carbon of deoxyribose is __________? - ANSWER-hydroxylated the 2' carbon of deoxyribose is ___________? - ANSWER-non-hydroxylated the 3' carbon of ribose is ____________? - ANSWER-hydro...

MCDB 1A UCSB midterm 1 Exam Study Guide Solutions Condensation reaction - ANSWER-(also called dehydration) results in the covalent bonds between between monomers. A molecule of water is released when each covalent bond is formed. Polymers form only if water molecules are removed and energy is added to the system. Hydrolysis - ANSWER-results in the breakdown of polymers into their component monomers. Water reacts with the covalent bonds that link the polymer together. For each covalent bond...

Biochemistry, MCDB 108A Your Name_______________________________ Prof. Duane Sears Neatly print YOUR FULL NAME HERE Midterm Exam #1, Oct. 28, 2011 F11‐108A‐MT Page 1 of 7 Pages INSTRUCTIONS  LEGIBLY PRINT your name on the top of all 7 pages, including the last page with the scoring grid.  Answer all 3 questions for a maximum score of 100 points. The point value for each question is shown in parentheses next to the question number.  Where appropriate, clearly show your reason...