
Concept explainers
(a)
Interpretation:
The meaning of three peaks in the graph A should be determined.
Concept introduction:
The complex composition of rRNA (ribosomal RNA) and protein molecules is termed as the ribosomes. It acts as a factory for the process of protein synthesis. They are mostly found attached to the endoplasmic reticulum, and some ribosomes are found to suspend freely in the cytoplasm of the cell.
(b)
Interpretation:
The reason for the more complex nature of graph B should be determined.
The meaning of small peaks at right corner of the graph should be determined.
Concept introduction:
The complex composition of rRNA (ribosomal RNA) and protein molecules is termed as the ribosomes. It acts as a factory for the process of protein synthesis. They are mostly found attached to the endoplasmic reticulum, and some ribosomes are found to suspend freely in the cytoplasm of the cell.
(c)
Interpretation:
The effect of growing the cells under hypoxic conditions should be determined.
Concept introduction:
The complex composition of rRNA (ribosomal RNA) and protein molecules is termed as the ribosomes. It acts as a factory for the process of protein synthesis. They are mostly found attached to the endoplasmic reticulum, and some ribosomes are found to suspend freely in the cytoplasm of the cell.

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Chapter 30 Solutions
Biochemistry
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- Consider the reaction shown. CH2OH Ex. CH2 -OH CH2- Dihydroxyacetone phosphate glyceraldehyde 3-phosphate The standard free-energy change (AG) for this reaction is 7.53 kJ mol-¹. Calculate the free-energy change (AG) for this reaction at 298 K when [dihydroxyacetone phosphate] = 0.100 M and [glyceraldehyde 3-phosphate] = 0.00300 M. AG= kJ mol-1arrow_forwardIf the pH of gastric juice is 1.6, what is the amount of energy (AG) required for the transport of hydrogen ions from a cell (internal pH of 7.4) into the stomach lumen? Assume that the membrane potential across this membrane is -70.0 mV and the temperature is 37 °C. AG= kJ mol-1arrow_forwardConsider the fatty acid structure shown. Which of the designations are accurate for this fatty acid? 17:2 (48.11) 18:2(A9.12) cis, cis-A8, A¹¹-octadecadienoate w-6 fatty acid 18:2(A6,9)arrow_forward
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