Describe the direction of information flow in living systems. Use appropriate, scientific terms in your description
What will be an ideal response?
DNA is replicated and passed to offspring through a variety of reproductive processes. Information contained in the base sequences of DNA is transcribed into a variety of RNAs. Certain RNAs (tRNA) carry amino acids to the site of translation where proteins are assembled. Other RNAs (mRNA and rRNA) provide a mechanism for ordering the sequence of amino acids in proteins.
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Plants that grow on other plants for structural support, but do not consume nutrients or energy from them, are called:
A. parasites. B. lycophytes. C. epiphytes. D. photophytes. E. tracheophytes.
Some articular receptors, such as free nerve endings, are slow adapting. What does this mean?
a. They require a high threshold to become stimulated b. Once stimulated, they continue to send signals until the stimulus is removed c. Once stimulated, they send signals initially, but adapt to the stimulus and stop d. They require a low threshold to become stimulated
In a polynucleotide (DNA or RNA strand), the alternating chain of sugar and phosphate to which nitrogenous bases are attached
What will be an ideal response?
In basic science, we study phenomena of the natural world
A. with no direct application or product B. to commercialize new products C. to improve the genetics of the human race