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Questions and Answers
Which of the following features are found in a molecule of ADP?
Cholesterol...
Proteoglycans in the extracellular matrix trap water to form a gelatinous matrix.
True
Whit is it NOT feasible for silicon to be the fundamental atom in large biological molecules?
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Which of the following pairs shares a similar function? (Pick best similarity)
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Which of the following can be a component of the extracellular matrix?
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Every protein in the cell is fully activated as soon as it has reached its tertiary, or sometimes quaternary, structure.
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You would expect that a newly discovered caspase (called Caspase-99) would be an integral membrane protein.
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Proteins involved in apoptotic paths in C. elegans are called "ced" proteins.
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In which situation does apoptosis occur?
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Glycogen is hydrolyzed to form glucose monomers via endergonic reactions. These reactions have a positive delta G
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Nicotinamide adenine dinucleotide becomes reduced when it...
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Study Notes
ADP and Biological Molecules
- ADP (Adenosine diphosphate) contains ribose sugar, two phosphate groups, and adenine.
- Cholesterol is a lipid that maintains membrane fluidity but is not present in ADP.
Extracellular Matrix
- Proteoglycans in the extracellular matrix trap water, creating a gelatinous matrix that provides structural support.
- Components of the extracellular matrix may include collagen, elastin, and fibronectin.
Silicon in Biological Molecules
- Silicon is not feasible as a fundamental atom in large biological molecules due to its limited ability to form complex, stable structures compared to carbon.
Protein Activation
- Proteins achieve full activation typically upon reaching tertiary or quaternary structure, although not all proteins may require this for functionality.
- Newly discovered proteins, such as Caspase-99, are expected to have specific functions and structural characteristics.
Apoptosis
- Apoptosis, or programmed cell death, occurs in various conditions such as when cells are damaged, diseased, or no longer needed.
- In C. elegans, proteins involved in apoptosis are designated as "ced" proteins.
Glycogen Hydrolysis
- Glycogen hydrolysis converts glycogen into glucose monomers, a process generally associated with exergonic reactions, not endergonic, due to the release of energy.
Nicotinamide Adenine Dinucleotide (NAD+)
- NAD+ becomes reduced to NADH when it accepts electrons during metabolic reactions, playing a crucial role in energy metabolism.
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Description
Test your knowledge on the features of a molecule of ADP by selecting the correct options from the choices provided.
