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BCHM 307 - Exam 1 ~Purdue 2025/2026
Exam Questions and Correct Answers |
New Update
In humans how much of the genome encodes for proteins? - 🧠 ANSWER ✔✔1.5%
Of lipids, carbohydrates, nucleotides, and amino acids - which is never found in a
polymerized form? - 🧠 ANSWER ✔✔Lipids - they aggregate
What is a polysaccharide's major function? - 🧠 ANSWER ✔✔Energy storage
What is the buffer system that is in the blood stream? - 🧠 ANSWER ✔✔Carbonic
acid as a reactant and bicarbonate and H ions as the products
Metabolic acidosis often causes increased respiratory rates. What portion of the
bloodstream buffer is lost through increased respiration? - 🧠 ANSWER ✔✔CO2
Photosynthetic organisms use energy from the sun to reduce CO2 to carbohydrates
- 🧠 ANSWER ✔✔True
The biological classification system categorizes organisms into what domains? - 🧠
ANSWER ✔✔Bacteria, Archaea and Eukarya
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COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, 2
In an aqueous solution, if the [OH-] is 3.0x10^-5 M. What is the [H+]? - 🧠
ANSWER ✔✔3.3x10^-10
*The lower the pKa the lower the pH. Thus, the lower the pKa the stronger the
acid - 🧠 ANSWER ✔✔True
What is the conjugate acid of H2PO4-? - 🧠 ANSWER ✔✔H3PO4
What elements are found in simple carbohydrates? - 🧠 ANSWER ✔✔Carbon,
Hydrogen, and Oxygen
A spontaneous process has a delta G that is... - 🧠 ANSWER ✔✔Negative
What is the most oxidized version of carbon? - 🧠 ANSWER ✔✔CO2
What are some differences between prokaryotes and eukaryotes> - 🧠 ANSWER
✔✔Eukaryotes contain a nucleus, organelles, are larger and form multicellular
organisms
An A-T base pair contains______ H bonds, an C-G base pair contains _______ H
bonds. - 🧠 ANSWER ✔✔2
3
2
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
BCHM 307 - Exam 1 ~Purdue 2025/2026
Exam Questions and Correct Answers |
New Update
In humans how much of the genome encodes for proteins? - 🧠 ANSWER ✔✔1.5%
Of lipids, carbohydrates, nucleotides, and amino acids - which is never found in a
polymerized form? - 🧠 ANSWER ✔✔Lipids - they aggregate
What is a polysaccharide's major function? - 🧠 ANSWER ✔✔Energy storage
What is the buffer system that is in the blood stream? - 🧠 ANSWER ✔✔Carbonic
acid as a reactant and bicarbonate and H ions as the products
Metabolic acidosis often causes increased respiratory rates. What portion of the
bloodstream buffer is lost through increased respiration? - 🧠 ANSWER ✔✔CO2
Photosynthetic organisms use energy from the sun to reduce CO2 to carbohydrates
- 🧠 ANSWER ✔✔True
The biological classification system categorizes organisms into what domains? - 🧠
ANSWER ✔✔Bacteria, Archaea and Eukarya
1
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, 2
In an aqueous solution, if the [OH-] is 3.0x10^-5 M. What is the [H+]? - 🧠
ANSWER ✔✔3.3x10^-10
*The lower the pKa the lower the pH. Thus, the lower the pKa the stronger the
acid - 🧠 ANSWER ✔✔True
What is the conjugate acid of H2PO4-? - 🧠 ANSWER ✔✔H3PO4
What elements are found in simple carbohydrates? - 🧠 ANSWER ✔✔Carbon,
Hydrogen, and Oxygen
A spontaneous process has a delta G that is... - 🧠 ANSWER ✔✔Negative
What is the most oxidized version of carbon? - 🧠 ANSWER ✔✔CO2
What are some differences between prokaryotes and eukaryotes> - 🧠 ANSWER
✔✔Eukaryotes contain a nucleus, organelles, are larger and form multicellular
organisms
An A-T base pair contains______ H bonds, an C-G base pair contains _______ H
bonds. - 🧠 ANSWER ✔✔2
3
2
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
