Naturae’s Science Vocabulary

What is the meaning of lactobacilli?

Is singular of Lactobacillus

What is Lactobacillus?

Is a noun in biology which refers to a rod-shaped bacterium that produces lactic acid from the fermentation of carbohydrates. Lactobacillus: A bacterium normally found in the mouth, intestinal tract, and vagina. Lactobacillus can also live in fermenting products, such as yogurt.

It is a good bacteria that can help break down food, absorb nutrients, and fight off “unfriendly” organisms that might cause diseases such as diarrhea.

What is a Lactobacillus?Lactobacillus is a type of bacteria. There are many species of lactobacillus. These are “friendly” bacteria that normally live in our digestive, urinary, and genital systems without causing disease. Lactobacillus is also in some fermented foods like yogurt and in dietary supplements.

they produce lactic acid and derive energy from the fermentation of lactose, glucose and other sugars to lactate via homofermentative metabolism.

What is  lactic acid?

What Is Lactose

Lactose is the sugar that’s in milk. Our bodies use an enzyme called lactase to break down that sugar so we can absorb it into our bodies. But people with lactose intolerance don’t have enough lactase. It’s produced in the small intestine.

What is Lactase?

Lactase is an enzyme produced by many organisms. It is located in the brush border of the small intestine of humans and other mammals. Lactase is essential to the complete digestion of whole milk; it breaks down lactose, a sugar which gives milk its sweetness.

What is an Enzyme?

Enzymes are proteins that act as biological catalysts. Catalysts accelerate chemical reactions. The molecules upon which enzymes may act are called substrates, and the enzyme converts the substrates into different molecules known as products.

What is Catalyst?

catalyst is an event or person causing a change. … The noun catalyst is something or someone that causes a change and is derived from the Greek word katalύein, meaning “to dissolve.” It can be somewhat ordinary, like when moving to a warmer climate was the catalyst for getting a short, sporty haircut.

Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. … Enzymes are naturally occurring catalysts responsible for many essential biochemical reactions.

causing, involving, or relating to catalysis

You can describe a person or thing that causes a change or event to happen as a catalyst. I very much hope that this case will prove to be a catalyst for change. In chemistry, a catalyst is a substance that causes a chemical reaction to take place more quickly. 

Catalysts speed up a chemical reaction by lowering the amount of energy you need to get one going. … Even the human body runs on catalysts. Many proteins in your body are actually catalysts called enzymes, which do everything from creating signals that move your limbs to helping digest your food.

As you age, your skin gradually loses its elasticity and begins to droop all over, but the effect is most obvious on your face — especially around the eyes.

What are the different types of cell in the human body

  • Stem cells.
  • Red blood cells.
  • White blood cells. Neutrophils. Eosinophils. Basophils. Lymphocytes.
  • Platelets.
  • Nerve cells.
  • Neuroglial cells.
  • Muscle cells. Skeletal muscle cells. Cardiac muscle cells. Smooth muscle cells.
  • Cartillage cells.
Stem cellsEmbryonic stem cells
Adult stem cells
Red blood cellsErythrocytes
White blood cellsGranulocytes (neutrophils, eosinophils, basophils)
Agranulocytes (monocytes, lymphocytes)
PlateletsFragments of megakaryocytes
Nerve cellsNeurons
Neuroglial cells
Muscle cellsSkeletal
Cartillage cellsChondrocytes
Bone cellsOsteoblasts
Lining cells
Skin cellsKeratinocytes
Merkel cells
Langerhans cells
EndothelialLining blood vessels
Epithelial cellsLining body cavities
Fat cellsWhite adipocytes
Brown adipocytes
Sex cellsSpermatozoa

For example, if your skin is exposed in too much sunlight, the harmful ultravi rays of the sun will enter deep into our skin. When excessive heat hits the cell,  the melanocytes will get activated and will produce black pigments that will cover the cell membrane so that the heat of the sun will not enter the inner part of the cell. Africans have the most active melanocytes to produce black pigments so the cell is well covered. These black pigments will stain the newly created skin cells that is why their skin color is black. Asian people have a so, so active melanocytes. When the sun gets into the deeper layer of their skin and hit the cells, the melanocytes will activate and produce melanin, the black pigment to cover the cells from sun damage. The melanin produced on the asian melanocytes are on average so the pigmentation that will stain the new skin cells are brownish. Not concentrated.

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