Question:- What are anthocyanins used for in plants?
Answer:- Anthocyanins are a group of polyphenolic pigments that are ubiquitously found in the plant kingdom. In plants, anthocyanins play a role not only in reproduction, by attracting pollinators and seed dispersers, but also in protection against various abiotic and biotic stresses.
Question:- What are the 4 types of plant pigments?
Answer:- Plant pigments are classified into four main categories: chlorophylls, anthocyanins, carotenoids, and betalains.
Question:- Why do plants produce anthocyanins?
Answer:- So plants produce anthocyanins specifically when light intensity is high, but temperatures are low enough to slow photosynthesis. They produce anthocyanins to protect themselves against the damaging effects of collecting more energy than they can use.
Question:- What do flavonoids do for plants?
Answer:- Flavonoids are structurally diverse secondary metabolites in plants, with a multitude of functions. These span from functions in regulating plant development, pigmentation, and UV protection, to an array of roles in defence and signalling between plants and microorganisms.
Question:- How can we identify anthocyanins in plant extract?
Answer:- Anthocyanins are generally extracted with weakly acidified alcohol-based solvents, followed by concentration (under vacuum), and purification of the pigments. Paper and/or thin-layer chromatography and UV-Vis spectroscopy have traditionally been used for the identification of anthocyanins.
Question:- What are the 4 pigments in photosynthesis?
Answer:- The plant pigments are found in chloroplasts on the thylakoids. 4 Plant Pigments. Chlorophyll a: Light to medium green. Main photosynthetic pigment. Chlorophyll b: Blue-green. Accessory Pigment. Carotene: Orange. Accessory Pigment. Xanthophyll: Yellow. Accessory Pigment.
Question:- Why are anthocyanins important to a plants health?
Answer:- Anthocyanins are water-soluble pigments that not only give certain plants their color but also protect the plants against extreme temperatures.
Question:- What is the most abundant flavonoid pigment in the plant kingdom?
Answer:- Anthocyanins are the largest group of water-soluble pigments in the Plant Kingdom, displaying a diversity of colors that range from pink-orange through red to purple and blue hues.
Question:- Is Vibrio cholerae comma-shaped?
Answer:- Cholera is an acute secretory diarrheal illness caused by the toxins of the comma-shaped gram-negative Vibrio cholerae bacterium that is known worldwide for its pandemic potential.
Question:- Is Vibrio cholerae a Gram positive or Gram-negative bacteria?
Answer:- The cholera vibrios are Gram-negative, slightly curved rods whose motility depends on a single polar flagellum. Their nutritional requirements are simple.
Question:- What does DNA stand for?
Answer:- Deoxyribonucleic acid
Question:- How many bones are in the human body?
Answer:- 206
Question:- The concept of gravity was discovered by which famous physicist?
Answer:- Sir Isaac Newton
Question:- What is the hardest natural substance on Earth?
Answer:- Diamond