36.如圖所示之懸臂梁，受一均變負載及一集中負載作用，試求梁中點(C點)之彎矩大小為何？
(A)2250N∙m
(B)4050N∙m
(C)8100N∙m
(D)4500N∙m

37.一均質簡支梁如圖所示，若不計梁重，其斷面為12cm×20cm，試求此梁中點處、梁斷面距梁頂2cm處(圖上C點)所受之彎曲應力σ為何？(A)壓應力96kgf/cm2(B)壓應力80kgf/cm2(C)拉應力80kgf/cm2(D)拉應力96kgf/cm2

38.一平面應力元件如圖所示，若=360kgf/cm2、=−240kgf/cm2、τ=400kgf/cm2，試求其最大主應力為何？(A)-440kgf/cm2(B)60kgf/cm2(C)600kgf/cm2(D)560kgf/cm2

39.如圖所示，試求B點支承反力為何？(A)10kgf(B)15kgf(C)45kgf(D)60kgf

40.如圖所示之懸臂梁、其長3m，梁斷面為一矩形斷面12cm×20cm，於自由端處受一拉力P=2400kgf作用，試求其所受之最大應力值為何？(A)8kgf/cm2(B)13.4kgf/cm2(C)548kgf/cm2(D)1088kgf/cm2

1. RNA molecules that exhibit catalytic activities are called (A) mRNAs (B) rRNAs (C) ribosomes (D) ribonucleotides (E) ribozymes

2. Cellular proteins destined for secretion are sorted and packaged in (A) nucleolus (B) endosomes (C) endoplasmic reticulum (D) trans Golgi network (E) lysosomes

3. Which of the following is true about a circular double-stranded DNA genome that is determined by chemical means to be 23 percent adenosine? (A) The genome is 11.5% guanosine. (B) The genome is 23% guanosine. (C) The genome is 27% guanosine. (D) The genome is 54% guanosine. (E) The base percent composition of guanosine in the genome cannot be determined from the information given.

4. In the classical model of transcriptional control, a repressor protein binds to (A) an AUG sequence (B) an operator (C) a TATA box (D) a Shine-Dalgarno sequence (E) an enhancer

5. "Zinc fingers" are important in cellular functions because they are (A) at the catalytic site of many kinases (B) structures with high redox potential (C) introduce double-stranded DNA breaks (D) a structural motif of many DNA-binding proteins (E) characteristic of palindromic stretches of unique-sequence DNA

6. CRISPR/Cas9 is the most talked about techniques in the past few years for targeted genome editing. Which of the following statement about CRISPR/Cas9 is NOT correct? (A) An RNA molecule, called guide RNA, directs Cas9 to the target (B) Cas9 is an exonuclease that cut double-stranded DNA (C) The system was originally discovered as part of adaptive immunity in bacteria (D) The system has been shown to work in many organisms. (E) The system can be used to control gene expression.

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