<span>Homologous chromosomes exchange DNA during meiosis in a process called crossing-over. Crossing-over sometimes involves an unequal swapping of DNA. Basically one chromosome in the pair gets extra DNA.</span>
Explanation:
plant absorbs water through the root by
the osmosis process
concentration of root is more than water
so. a pressure is developed in the wall of root
by the which water goes up and reaches to the
leaf of the plants
Explanation:
The difference between Meristematic Tissue and Permanent Tissue are:
- Meristematic tissue always has a prominent nucleus. Permanent tissue has a prominent nucleus in some like parenchyma while not in others like sclerenchyma.
- Meristematic tissue has cells small in size and isodiametric in shape. Permanent tissue has cells large in size and their shape varies.
Answer:
B. Premature stop codon mutation
Explanation:
Answer:
Astrocytes
Explanation:
Astrocytes are the most numerous cell type within the central nervous system (CNS) and they perform a myriad of tasks ranging from axon guidance and synaptic support, to the control of the blood brain barrier and blood flow.