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Litmus milk medium is skim milk to which the dye litmus has been added. Litmus is both a pH indicator and a redox indicator. It is pink at pH < 4.5, purple in middle pH's and blue at pH > 8.3. As a redox dye, in the absence of oxygen (reduced state) it's colorless (white due to milk) and in the presence of oxygen (oxidized state) it is purple.
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What is cysteine s role in protein?
Cysteine plays a key role in protein structure through the formation of disulfide bonds. These bonds can stabilize the tertiary and quaternary structure of proteins, contributing to their folding and overall stability. Cysteine residues are also involved in redox reactions and can act as antioxidants.
How is lactation a positive feedback loop?
Milk removal from the breast is accomplished by the contraction of myoepithelial cells, whose processes form a basket-like network around the alveoli where milk is stored , in concert with sucking by the infant. When the infant is suckled, afferent impulses from sensory stimulation of nerve terminals in the areolus travel to the central nervous system where they promote the release of oxytocin from the posterior pituitary. In the woman oxytocin release is often associated with such stimuli as the sight or sound or even the thought of the infant indicating a large cerebral component in this "neuroendocrine reflex". The oxytocin is carried through the blood stream to the mammary gland where it interacts with specific receptors on myoepithelial cells, initiating their contraction and expelling milk from the alveoli into the ducts and sub-areolar sinuses. The passage of milk through the ducts is facilitated by longitudinally arranged myoepithelial cell processes whose contraction shortens and widens the ducts, allowing free flow of milk to the nipple. The process by which milk is forceably moved out of the alveoli is called milk ejection or let-down and is essential to milk removal from the lactating breast.
How does water act as a metabolite?
Water works as a medium for different enzymes and chemicals within the body while taking nutrients, hormones and oxygen through the lymph and blood system. Metabolism is the sum of all the chemical activities within the body, so water is very much a metabolite.
What happens when iodine is added to starch and distilled water?
As you know that iodine act as indicator for testing of starch so when a drop of iodine is added to starch it turns bluish black but when added to distilled water nothing happens except the colour of water which turns brown and its is the colour of iodine.
How does the process of human lactation support infant nutrition and development?
Human lactation, the production of breast milk by mothers, supports infant nutrition and development by providing essential nutrients, antibodies, and growth factors that are crucial for the baby's growth, immune system, and overall health. Breast milk is easily digestible and tailored to meet the specific needs of the infant, promoting optimal growth and development. Additionally, the act of breastfeeding fosters bonding between the mother and baby, which is important for emotional and cognitive development.
WHAT color do you get when a neutral substance is mixed with litmus?
It's purple the colour can change slightly. isn't that just great purple it's my favourite colour ya know
Why sulfuric acid is used in Redox titration instead of HNO3?
Sulfuric acid is commonly used in redox titrations because it is a strong acid and does not participate in the redox reactions. Nitric acid (HNO3) can act as an oxidizing agent itself, which can interfere with the redox titration process by introducing additional reactions.
What is meant by internal indicator?
Sometimes one of the reactants in a titration act as an indicator; this is an internal indicator. An example is the volumetric technique of permanganometry.
What is a natural pigment that can act as an indicator?
Anthocyanin is a natural pigment found in many fruits and vegetables such as red cabbage, berries, and grapes. It can act as a pH indicator, changing color in response to changes in acidity or alkalinity.
Which test is the best indicator of how well you do on the act?
Aspire.
How does reeve act on the story face in the milk carton?
how does reeve act in the story face in the milk carton
What plant dye can be used to detect acids and alkalis?
The most common is Litmus. Litmus is extracted from various Lichens and is a good indicator of both acids and alkalis. Some naturally occurring substances indicate only acids or alkalis such as cochineal and curcumin. The common litmus paper is impregnated with the dye extract of the Lichen to act as an acidity or alkalinity indicator. All PH (acidity and alkilinity) measuring devices work based upon whether they accept or donate protons and as such are infact themselves acids or bases. For greater accuracy other dyes (other than the reactive element) are added to the PH detector which can be chemically engineered to give visible changes in colour at every step on the PH scale.
What is called the act to pullout cow milk?
You milk a cow.
What is a natural pigment that can act a s an indicator called?
strawberry
What is the force act on milk?
Gravity.
What pH indicators contain?
Acidic and basic solutions can be detected using substances called acid-base indicators. Perhaps you are familiar with litmus paper, a common indicator. The active chemical in litmus is made from a natural substance found in lichens, which are living organisms. The litmus is appplied to paper to make it more convenient to use. There are many other naturally occurring substances that can also act as acid-base indicators PH indicators can include rose petals, day lilies, tea, red cabbage, beets radishes rhubarb, red grapes, red onions, blueberries, etc. MANY THINGS!! :)
What component of milk reacts as a surfactant?
The fats, or lipids, in milk act as the surfactants.
