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Nerve impulses are electrical impulses that travel along the axons of nerve cells (neurons) carrying various information. Propagation of electricity is possible due to differences in <...

1) Tissue composed of undifferentiated totipoten cells in plants 

2) Found in roots and shoots

3) Responsible for vertical growth

4) produces PRIMARY phloem an...

[Pre-initiation - Specific enzymes catalyse the attachment of amino acids to tRNA, requires ATP]

1) The small ribosomal subunit binds to the 5' end of mRNA and finds the (AUG) start codon...

Non-disjunction is the failure of chromosome pairs to separate properly during meiosis. This failure of separation usually occurs either in meiosis I (in anaphase I) or in meiosis II (in anaphase II). ...

The cell membrane is comprised of molecules with a phosphate head and hydrocarbon tail. The phosphate heads are polar, therfore they are hydrophilic and form favourable interactions with water, so line...