Answer:
Igneous rocks form when molten rock (magma or lava) cools and solidifies. Sedimentary rocks originate when particles settle out of water or air, or by precipitation of minerals from water. Crystallization, erosion, sedimentation, and metamorphism transform one rock type into another or change sediments into rock. The rock cycle describes the transformations of one type of rock to another. The process by which a rock changes form or mineral content as a result of environmental changes such as heat and pressure. a rock that was altered by metamorphism.
Amino acids are considered as the building blocks of proteins.
Proteins in the body consist of 20 different amino acids, some of which can be synthesized by the body itself.
Each unique protein is formed by the combination of these proteins in several ratios and sequences.
Answer:
B. the combination of modern genetics and Darwinism.
Explanation:
The modern synthesis refers to the concept which combined the theory of inheritance by Mendel and theory of evolution by Charles Darwin. The theory also used the concept of Theory of germplasm.
The modern synthesis concept came in the early 20th century when the studies were going on Mendel's theory and the evolutionary aspects. The concept led to the formation of new concepts like the macroevolution, microevolution and the evolution affected by mutation of genes.
Thus, Option-B is correct.
carbohydrates
fats
proteins
fiber
vitamins
water
Minerals
Explanation:
Food is complex of different minerals. These minerals helps to meet our body demand for materials important for sustenance.
There are different classes of food based on their chemical properties and functions. These classifications are based on the complex nutritive substances that can be derived from them.
- Carbohydrates supplies energy to the body.
- Proteins also provides energy and it helps to repair worn out body tissues.
- Fibers are needed to aid digestion
- Vitamins provides enzymes for the body
- water is an essential life compound.
- Minerals are used for several metabolic processes and they are good electrolytes in the body.
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Answer:
chemotaxis
Explanation:
Chemotaxis is movement of the organism in the response to the chemical stimulus.
Bacteria, somatic cells and single-cell as well as multicellular organisms direct movements of their body according to some chemicals in the environment. This is very important for the bacteria to find the food by swimming toward highest concentration of the food molecules or also to flee from the poisons.
<u>Thus, it is a process by which various cells are drawn to the target area by a microbe invader.</u>
