CHEM 210 Biochemistry
Western Governers University
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Portage Learning CHEM 210 Module 1-6 exam with complete solutions | Newest
- Exam (elaborations) • 58 pages • 2023
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Question 1 
Click this link to access the Periodic Table. This may be helpful throughout 
the exam. 
1. Convert 845.3 to exponential form and explain your answer. 
2. Convert 3.21 x 10 
-5 to ordinary form and explain your answer. 
1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places 
= 8.453 x 10 
2 
2. Convert 3.21 x 10 
-5 = negative exponent = smaller than 1, move decimal 5 
places = 0. 
Question 2 
Click this link to access the Periodic Table. This may be helpful thro...
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Portage learning chem 210 module 6 exam newest | 100% verified
- Exam (elaborations) • 16 pages • 2023
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Which of the following pentose sugars is a constituent of mRNA? 
Ribose 
Xylose 
Ribitol 
2-deoxyribose 
Arabinose 
RIBOSE
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Portage Learning CHEM 210 Module 1-8 exam Newest and final exam ALL IN PACK [BUNDLE] Portage Learning| 100% Verified
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In RNA, guanine always pairs with	.

Thymine Guanine Cytosine Uracil
Both A and B
CYSTOSINE

DNA is built from which of the following?

Nucleosides Genes Purines Nucleotide Codons
NUCLEOTIDE

The Z-form helix of DNA is stabilized mainly by	.

Ionic bonds Covalent bonds Hydrogen bonds Ion-dipole bonds
Hydrogen covalent bonds
HYDROGEN BONDS




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Portage learning chem 210 module 7 exam newest | 100% verified 2023
- Exam (elaborations) • 14 pages • 2023
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Question 1 
3 / 3 pts 
True or False: The	Δ G value for a particular reaction is -78kJ/mol. This value indicates the 
 
reaction is spontaneous. Correct! 
 
True False 
Question 2 
3 / 3 pts 
True or false: A biochemical metabolic pathway is a single reaction that converts starting material into products. 
 
True Correct! 
False Question 3 
3 / 3 pts 
True or false: Three ATP molecules are used in the energy-investing stage of glycolysis. 
 
True Correct! 
False Question 4 
0 / 3 pts 
True or F...
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