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What is the difference between the lock-and-key model and the induced-fit hypothesis of enzyme action?

The lock-and-key model and the induced-fit hypothesis are two potential models for how substrates may bind in the active site of an enzyme. The lock-and-key model suggests that the substrate is completely co...
PJ
Answered by Prachy J. • Biology tutor
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TMV can cause plants to produce less chlorophyll. This causes leaf discoloration. Explain why plants with TMV have stunted growth.

Chlorophyll gives plants coloration so a discolored plant would have a lack of chlorophyll. This means that less photosynthesis would occur in the leaves of the plant, so less glucose is made as a result. Th...
NA
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How does ATP store energy?

ATP has 3 phosphate groups. Their bonds are unstable and so have a low activation energy, which means they are easily broken. When they break by the addition of water during a hydrolysis reaction, they relea...
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Answered by Lara I. • Biology tutor
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What was the significance of Meselson-Stahls experiment? Which form(s) of replication did it disprove and which one(s) did it provide evidence for?

Meselson-stahl's experiment provided evidence for the semi-conservative DNA replication hypothesis, given that 1st and 2nd bacteria cultures showed ratios of N14 and N15 in their DNA that followed that speci...
OT
Answered by Olivia T. • Biology tutor
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Explain the roles of the rough endoplasmic reticulum and the Golgi apparatus in protein trafficking and modification.

Proteins are produced at the ribosome. Ribosomes dock to the rER membrane on translocons and peptide is inserted into the rER lumen coupled with ATP hydrolysis. The peptide folds into its tertiary structure ...
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Answered by William F. • Biology tutor
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