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Q. What are the few examples of the control and informative function of organic molecules?
Based on genetic information, organic molecules control the entire work of the cell. DNA and RNA, proteins in their turn are the main molecules responsible for the diversity of cellular biological tasks, and the nucleic acids are organic molecules that direct the protein synthesis. In membranes and within the Cell, some organic molecules act as information receptors and signalers.
Proteins and lipids have an important role in the communication between cells and tissues, acting as hormones, substances that transmit information at a distance throughout the organism.
Q. What is Barr body Genes? Located inside nuclear envelope, it's a densely staining object which is an inactivated X chromosome in female mammalian cells. Most Barr body genes
EXCRETION IN PRAWN- A pair of antennary gland or green gland and a median renal sac present. Green glands lie at the base of antennae & open out by renal aperture.
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(a) Name four examples of compounds which are classed as carbohydrate. (b) What elements are present in carbohydrates? (a) Sugars (glucose, fructose, maltose, sucro
Distinguish between epithelial and connective tissues with respect to their cell arrangement? PROVIDE a specific example( for both tissue types) of how the arrangement of cells hel
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