If a cell membrane were completely permeable to all substances, could the cell continue to live?

Each trait of a plant is determined a. an allele b. one gene c. a pair of genes d. one dominant gene

What pattern of migration do whales follow?

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).