The study of relation of animals and plants to their surroundings is called__________
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Which molecule is always single stranded?
RNA is a single-stranded molecule in many of its biological roles and consists of a much shorter chain of nucleotides.
The members of phaeophyceae are commonly called _________ algae.
Cells use active transport proteins to
Cells use active transport proteins to create a concentration gradient across a cell membrane.
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Synapse gap is present between which of the following?
In roots, the protoxylem lies towards periphery and metaxylem lies towards the centre. Such arrangement of primary xylem is called ____________.
The process of acquiring oxygen from outside the body and to use it in the process of breakdown of food sources for cellular needs is commonly called______.
In unicellular organisms, all functions like digestion, respiration and reproduction are performed by a how many cell(s)?
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