Where were viruses first identified? fish, bacteria, teacup kitties, or tabasco plants

Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing

Which statement best describes the first stage of cellular respiration? check all that apply

There are two tomato plantlets one of them is kept in an oxygen chamber with a light source and another is kept in sunlight. both of them are watered regularly what will be the observation after two weeks