BCH4024 F2024 OC E4 Q26: Deacetylation of lysine 16 in histone H4 by histone deacetylase (HDAC) is associated with condensed chromatin. What is the reason for this relationship?

Zinc deficiency can impair insulin sensitivity.

BCH4024 F2024 OC E4 Q37: Growth of E. coli is arrested by chloramphenicol treatment. The drug inhibits the peptidyl transferase activity in a ribosome. What is bound to the A, P, and E sites of the targeted ribosome?

BCH4024 F2024 OC E4 Q9: Which of the following is a substrate for primase?

What produces neurotransmitters?

The circadian rhythm works through all except which?

The following offspring are recovered: F r u      130 f R u      110 f r u       20 F R u     450 f R U     130 f r U       450 F R U     20 F r U      110   What is the correct order of these genes?    

Calculate the narrow sense heritability for a grandparent-grandchild relationship when the observed correlation coefficient is 0.2.  

BCN 2405 – Final Exam (Starter Question) Problem #1 is a fill-in-the-blank/matching question that will be completed on the online exam. Problem #2 through #6 will be completed by hand on a piece of paper. Please complete the problem by printing the prepared final exam calculations document (otherwise complete problems on your own sheet of paper), scan your solutions, and submit one (1) cohesive PDF of all problems, in-order, to the Canvas Online Exam under this starter question. Please submit all pages of this exam document (with title page first, problems in-order, hand calculations, etc.) using the file upload feature under this starter question. There are 9 pages to the exam document, make sure you are turning in all 9 pages in your uploaded file.

Problem #2 through #6 will be completed by hand. Please complete the problem by printing the prepared exam calculations sheets (otherwise complete problems on your own sheet of paper) (this is the document found under the starter question), scan your solutions, and submit one (1) cohesive PDF of all problems, in-order, to the Canvas Online Exam under the starter question. Problem #4 – Beam Analysis (15 points total, 4 parts) A W24x76 made of A36 structural steel with a yield stress of 36 ksi, allowable bending stress limit of 21.6 ksi and shear stress limit of 14.4 ksi and Modulus of Elasticity, E = 29,000,000 psi is subjected to a maximum bending moment of 174 k-ft and a maximum shear force of 51 kips. Show all work and any assumptions clearly. Complete the following: Part A (4 points): Calculate the bending stress in the beam using the flexure formula. Additionally, calculate the shear stress in the beam using the average web shear approach. Part B (3 points): Does the calculated bending stress exceed the allowable bending stress and does the calculated shear stress exceed the allowable shear stress? Part C (5 points): Calculate the Moment Strength (MR) and Shear Strength (VR) of the beam. Part D (3 points): Determine the adequacy of the beam’s design by comparing the moment strength (MR) vs. maximum bending moment (Mmax) and the shear strength (VR) vs. the maximum shear force (Vmax). Does the beam fail in bending and/or shear?