the membrane receptors are activated when a certain chemical attaches itself to the receptor.
Cell culture is when cells are grown under controlled conditions and usually outside of their natural environment. Organ culture like culturing roots, root hairs ,shoot tip, buds, cotyledons ,ovules ,pollen grains, young leaves, these are organs. Hoped I helped!
Answer:
Throughout the below portion, the description of the given topic "Science" is characterized.
Explanation:
- Today, human beings are inventing a variety of inventions to make their lives more simple and because of science, we can grow today. Science is also considered to be a conscience.
- Human beings have become a science, etc., to achieve their physical pleasures. Many wonderful wonders of science have completely transformed human life, Science has invented many things that all the people in the world are amazed at.
Answer:
Guard cells
Explanation:
Guard cells are can be described as a special group of plant cells that are located or can be found in the epidermis of plants. They come in the shape of a kidney.
They help to control the rate at which air moves in and out of the plant, the is achieved by periodically opening the stoma and blocking it back. They are also responsible for the regulation of water movement in and out of the plant.
This essential material in which the guard cell regulates/ control is an important part of plant photosynthesis, therefore they play an important role in the process through which plants manufacture their food.
Yes, pH of the soil affects the colour of flower.
Flowering plants grown in acidic soil (pH<7) bears blue flowers or at has a blueish tint.
Whereas, Flowering plants grown in Neutral (pH=7) and Basic (pH>7) soil bears pink and red flowers.
A plant's flower color is determined by a complex balance between chlorophyll, beta carotene, flavonoids,etc in particular pH of the soil to give out vibrant colors like red, blue, pink, yellow,etc.
