Biochemistry
Chamberlian School of Nursing
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TEST BANK BIOCHEMISTRY 2021
- Exam (elaborations) • 362 pages • 2021
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1) Which elements account for more than 97% of the weight of most organisms? 
A) C, H, N, Mg, O, S 
B) C, H, N, O, P, S 
C) C, H, N 
D) Fe, C, H, O, P 
E) Ca2+, K+, Na+, Mg2+, Cl- 
Answer: B 
Page Ref: Section 2 
2) Proteins in biological membranes may be 
A) porous. 
B) attached to the membrane surface. 
C) span the membrane. 
D) All of the above 
E) B and C only 
Answer: D 
Page Ref: Section 3 
3) Which statement about cellulose is false? 
A) It is the most abundant polysaccharide in nature. 
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