Answer:
C. centrioles
Explanation:
Centrioles are in the middle of chromosome which spindle fibres attach themselves to, thereby preventing entanglement.
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Answer:
Due to less number of chlorophyll.
Explanation:
The variegated leaves accumulates or produces less amount of food than non-variegated leaves under similar condition because variegated leaves has number of chlorophyll as compared to non-variegated leaves. Chlorophyll is a green pigment that is responsible for the photosynthesis in plants, without chlorophyll no photosynthesis occurs in the plants. The variegated leaves has less number of chlorophyll as compared to non-variegated leaves which leads to less production of food in variegated leaves.
Answer:
Downer soil is the New Jersey State Soil. In 1955, G. A. Quackenbush of the New Jersey Agricultural Experiment Station was the first to use the name Downer to represent some yellowish, sandy and somewhat droughty soils of the Pine Barrens of New Jersey.
Explanation:
The rocky upper layer of the solid earth is called the "lithosphere". This rocky part includes the brittle upper portion of the mantle and also of the crust. It is bounded by the atmosphere above and of the asthenosphere which is another part of the upper portion of the mantle.