Answer:
Starch is a polysaccharide which comes under carbohydrates.The incorrect option here is option D which says the basic constituent of amino acid, that contains nitrogen as it is not found in starch.
Explanation:
What is the basic component of starch?
Starch is a carbohydrate. Carbohydrates are of different types like monosaccharides, disaccharides, oligosaccharides, and polysaccharides.A monosaccharide is the basic simplest form of carbohydrate and a polysaccharide is the complex one.
The basic formula of any carbohydrate contains, Carbon, hydrogen and Oxygen. The polysaccharide, as the name suggests, it has many glucose molecules linked together as a chain.
Hence, starch is a polysaccharide found in plants. It is stored in the form of a storage molecule in plants. It does not contain nitrogen as its structural component.
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Answer:
D.
Explanation:
Nitrogen is the major atom that is present in amino acids that are not present in carbohydrates.
Answer:
The answer is Cells come only from pre-existing cells.
There are three tenets of cell theory:
1. All living organisms are composed of one or more cells.
2. Cells are the basic structural and functional units in all living organisms.
3. Cells come only from pre-existing cells.
In plants tissue cultures, single cells divide to produce roots, shoots, and leaves. This division suggests there must be some pre-existing cells from which those organs will be produced. So, the tenet that cells come from other cells in cell division is a basis for plant tissue cultures.
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Explanation:
b. an excretory system that includes a pair of kidneys.
c. a system of muscles that enable movement.
d. all of the above
During the Industrial revolution, due to pollution, trees become darker in the urban area. Light-colored moths were, thus, easy prey. The dark-colored moths were able to camouflage on dark trees and avoid predators. The phenomenon is known as industrial melanism. So, in polluted urban areas, the number of dark-colored peppered moths increased. In the clean environment, were much effective in hiding from predators and they outnumbered the dark-colored moths.
Answer: acquired
Explanation:
Answer:
The question lacks options, the options are:
A) They are easier to transport and store than injectable vaccines (shots).
B) They make it easier to administer edible vaccines.
C) They are more expensive than potatoes without the vaccine.
D) They have nutritional value while potatoes without the vaccine do not.
Thw answer is C
Explanation:
Agricultural crops have faced series of problems caused by pest, nutrient composition etc. However, technology has made sure they these problems are reduced in the least possible way via the use of genetic engineering. Genetic engineering, also called genetic modification is the manipulation of an organism's genes using biotechnology procedures.
In this case, the potato crop was genetically modified, meaning that, the crop was improved genetically. Although, this process has many advantages like inserting a vaccine in the edible crop and easy storage, it also has disadvantages. One of these disadvantages as mentioned in the options is that they become more expensive than potatoes without the vaccine. The price increases due to the vaccines they now contain in comparison to the potatoes without vaccine (not genetically modified).
This price can become not affordable for an average person. Hence, it is a disadvantage of the genetically modified potato crop
The core, or middle, of the Sun is the hottest part. Hot gasses bubble up from the core to the surface of the Sun. When the gasses burn, heat and light are produced.