A: amylase
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A length of DNA was analysed and sequenced. 24% of its nitrogenous bases were adenine. Which percentage of the bases …
Rifampicin is an antibiotic used to treat tuberculosis (TB). It works by inhibiting RNA polymerase in bacteria. Which…
DNA molecules in a eukaryotic cell must be packaged compactly because their combined length is much greater than the …
A light microscope is used to observe two structures that are 200 nm apart. How far apart are the structures when the…
Some features of cells are listed. 1 cytoplasm 2 cell surface membrane 3 ribosomes Which features are found in both a…
Which size of ribosomes is found in chloroplasts?