E. coli grown in the presence of lactose, but absence of glucose, will use the enzyme beta-galactosidase to digest lactose. How are these cells different from cells which are grown in the absence of lactose and presence of glucose

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

Select all that apply genes are specific nucleotide sequences occur in numbers that are the same as the number of chromosomes are located in a specific place on a chromosome determine the traits of an organism are units of rna