Answer:
Scientists use observation to collect and record data, which enables them to construct and then test hypotheses and theories.
Explanation:
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Answer:
A lactose a sugar present in milk. It is a disaccharide containing glucose and galactose units.
A lactase an enzyme that catalyzes the hydrolysis of lactose to glucose and galactose
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Answer:
Transfer RNA
Explanation:
An tRNA charged with an given amino acid, whose anti-codon matches the codon in the messenger RNA associated to the ribosome, is placed in that location being added to the polypeptide. After that, the complex Ribosome-mRNA moves along, another codon is exposed to receive other amino acid, and in the meanwhile the previous tRNA is excised from its amino acid, and leaves the complex
