Way do meristematic tissues lack vacuoles? Describe the structural suitability of xylem transport water upwards in plants
The cell is regarded as the basic unit of life. It consists of a number of organelles th
ensure its effective functioning Dinguee​

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

the answer to the blank provided is “an autosomal gene that is required for the expression of genes on the x chromosome”.

testis-determining factor, abbreviated as td, which is more popularly known as sex-determining region y or sry protein, is a dna-binding protein or  gene-regulatory protein/transcription factor, encoded by the  sry gene. it is the gene responsible for the initiation of male gender determination in humans.

answer an inhibitory neurotransmitter in the brain;