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Cold Sore PreventLysine is an essential amino acid which means it must be obtained through diet.Lactoferrin is a whey protein present in mammalian breast milk and producedin smaller amounts in the human adult body. This website is for informational and entertainment purposes only and is not a substitute for medical advice, diagnosis, or treatment. As a nation we must prevent hunger and cold to those of our people who are in honest difficulties. 1.1 Students learn to identify the role of enzymes in metabolism, describe their chemical composition and use a simple model to describe their specificity on substrates.
Most people would know that some animals (like frogs, snakes and lizards) are a€?cold-bloodeda€? and that when the weather is cold, these animals are less active than when ita€™s warm. Each enzyme has a unique shape - it is this shape that means it will make just one reaction go. Enzymes are not usually used up in chemical reactions - they can be used over and over, so they can be present in tiny amounts. Enzymes are difficult to study in high school but there is one in saliva that we can study. Explain why our bodies need to make large amounts of digestive enzymes (like pepsin) but only tiny amounts of other enzymes (like hexokinase, which is present in every cell and catalyses the breakdown of glucose to glucose 6-phosphate).
This experiment is important to addressing the skills outcome H11 (a€?A student justifies the appropriateness of a particular investigation plana€?). I hope you have a picture of many chemical reactions occurring in your own body right now, each one occurring because of the presence of tiny amounts of enzymes. So, it is important that the temperature and acidity in your body has to be kept at the right level. Maybe you can think of some changes that occur in your body when the temperature gets too low! The first step to prevent your death is for your body to recognise the change in your body temperature.
I have only considered what happens when there is a danger of you over-heating but there are many aspects of your body that have to be kept constant - for example, oxygen, sugar and water levels in the blood.


Nerve impulses travel very quickly, and travel from one small part of the body to another small part.
Hormones travel relatively slowly in blood, from an endocrine gland to a number of target organs.
An example might be the hormone adrenalin, travelling from the adrenal glands above the kidneys to skin (constricting blood vessels), the pacemaker in the brain (increasing heart rate), the liver (increasing the level of glucose in the blood) and many other organs. At the Mid-Atlantic ridge, a€?black smokersa€? raise the temperature of the ocean above 100oC without the water boiling (because of the very high pressure). There are other organisms that thrive in temperatures close to the freezing point of water. The temperatures at which organisms are found and the range over which they can survive is because of the enzymes in their bodies. A Grylloblattid - (Grylloblatta bifratrilecta) an insect related to crickets and cockroaches that lives in snow. Leta€™s make our ectotherm the impressive but relatively harmless (if left alone) Red-bellied Black Snake (Pseudechis porphyriacus).
Comparing our ectoderm (Black Snake) and endoderm (Wombat) it is clear that both have behaviours and bodies that help them to survive extremes. Your textbook does not give any examples of plants responding to temperature change - only adaptations to temperature extremes -so Eucalypts have drooping leaves which helps them to avoid overheating when the Sun is high; deciduous trees drop their leaves which helps them to avoid frost damage.
Responses of plants to temperature change are not common but there has been great interest from horticulturalists over several hundreds of years in the ability of Rhododendron spp to curl their leaves in response to temperature change. Most people would know that some animals (like frogs, snakes and lizards) are a€?cold-bloodeda€? and that when the weather is cold, these animals are less active than when ita€™s warm.A  Why is this? Enzymes are not usually used up in chemical reactions - they can be used over and over, so they can be present in tiny amounts.A  But most importantly, they only work under special conditions - a narrow temperature range and a narrow pH (acidity) range. That usually doesna€™t happen because things happen in your body to cool your body.A  You sweat, surface veins open up so that blood flows closer to the cooling air, and you breathe more often releasing warm our from your lungs. This is a practical investigation involving second-hand research.A  Before you start it, you should read these notes.


I have only considered what happens when there is a danger of you over-heating but there are many aspects of your body that have to be kept constant - for example, oxygen, sugar and water levels in the blood.A  For each, there are receptors that detect the changes and a control centre (usually in the brain) that counteracts the change. Nerve impulses travel very quickly, and travel from one small part of the body to another small part.A  An example might be from a fingertip to a very small part of the brain when we touch something.
There are other organisms that thrive in temperatures close to the freezing point of water.A  For example, there are bacteria-like cells that grow on snow turning it red (to produce a€?watermelon snowa€?).
On the other hand, individual organisms can generally survive in a fairly narrow range.A  For example, tropical fish die in cold water, yet antarctic fish would die in tropical waters. Choose an ectothermic animal species, an endothermic animal species and a plant species.A  Dona€™t forget the advice about second-hand research, especially to acknowledge your sources. Your textbook does not give any examples of plants responding to temperature change - only adaptations to temperature extremes -so Eucalypts have drooping leaves which helps them to avoid overheating when the Sun is high;A  deciduous trees drop their leaves which helps them to avoid frost damage. Both are important for goodimmunity, and although their deficiencies are rare, supplementation can betherapeutically useful. Please note that refunds on services, products and programs are subject to a 10% transaction fee. However, because it can maintain its body temperature within a narrow range, wombats can remain active over a much wider temperature range. Herpes Simplex Virus and Cold SoresCold sores are not only an unsightly and embarrassing manifestation of aviral outbreak; they can be itchy, painful, and just plain annoying.
HSV-1 tends to cause mainly coldsores, and HSV-2 tends to be responsible for genital herpes, although there issome crossover. Both lysine and lactoferrin have been found to decrease therecurrence of cold sore and herpes outbreaks by inhibiting viral replication ofboth strains.



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    Immunostimulants of plant origin (Eleutherococcus, ginseng, rhodiola rosea not correct the underlying drawback - the herpes.
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    Long intervals of time - much like Valtrex and other related.
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