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When too high or too low physiological activities cease primarily because molecules are destroyed or become nonfunctional?
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Why do humans suffer ill effect if their body temperature varies too much?
Because we belong to a group called endotherms, which means that we regulate our body temperatures. It takes a lot more energy to do this than it does for ectotherms, like reptiles, but the advantages are that we can function in larger extremes of temperatures. That's why endotherms like polar bears and penguins can be found in the arctic and antarctic regions.
What information needed by a cell to direct its activities and to determine its characteristics is contained in molecules of?
DNA
Energy harvested from organic molecules is contained in the?
Energy harvested from organic molecules is contained in the chemical bond. The cells can then use this energy to complete their activities.
The survivial need that is required in order to release energy from foods is?
Several enzymes in our body are responsible for breaking down ingested macromolecules to simple molecules. Our body cannot digest giant sized molecules so when it is broken down into smaller pieces, large amounts of energy is released which is used by our to perform various physiological activities. Enzymes are the special class of proteins that can speed up the rate of reaction.
What do gas cells need in order to release energy from sugar molecules?
to perform its metabolic activities
When too highor too low physiological activities cease primarily because molecules are destroyed or become non-functional?
Appropriate body temperature
Why do humans suffer ill effect if their body temperature varies too much?
Because we belong to a group called endotherms, which means that we regulate our body temperatures. It takes a lot more energy to do this than it does for ectotherms, like reptiles, but the advantages are that we can function in larger extremes of temperatures. That's why endotherms like polar bears and penguins can be found in the arctic and antarctic regions.
How many ozone molecules are destroyed every day?
Ozone molecules are destroyed everyday by CFC's. This number depends upon the current season.
Describe what the ozone layer is how humans have destroyed it?
Ozone layer is a layer of ozone molecules. It is destroyed by man made CFC's.
What is a physiological change as a result of a catabolic chemical reaction?
Catabolism is the breaking down of things - a series of degradative chemical reactions that break down complex molecules into smaller units, and in most cases releasing energy in the process. ~One physiological changes is digestion of large food molecules into various nutrients.
What happens to the molecules during melting?
the order of the solid molecule is destroyed, the molecules can move more freely, while in solids the molecules vibrate in fixed point
What organelle breaks down food molecules to power cellular activities?
Mitochondria.
How does the eukaryotic cell make energy that requires for its many activities?
The mistochondria burn sugar molecules~ (Plato) :3
What molecules in membrane give them their specific function describe activities of one of these molecules?
Direct activities of the cell give the function of the cell membrane. Globular proteins create narrow passageways or channels. The nucleus directs the cell's functions.
What information needed by a cell to direct its activities and to determine its characteristics is contained in molecules of?
DNA
What are molecules that travel through blood and regulate body activities called?
They are called "hormones".
Energy harvested from organic molecules is contained in the?
Energy harvested from organic molecules is contained in the chemical bond. The cells can then use this energy to complete their activities.
