Biology, 24.06.2019 03:30, ha328

Only the proteins that the bacteria escherichia coli (e. coli) needs are synthesized at any given time. for example, when lactose is available in the environment, e. coli will express the lac genes that allow it to break down lactose to obtain energy. when lactose is not present, these genes are not expressed. which prevents the lac genes in the dna of e. coli from being expressed most of the time?

Answers: 2

Show answers

Other questions on the subject: Biology

Biology, 22.06.2019 03:30, rilee3344

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

Answers: 2

continue

Biology, 22.06.2019 04:50, haileyglowiak8183

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates

Answers: 1

continue

Biology, 23.06.2019 02:00, simon88

Identify the compound that plants make to store as energy

Answers: 2

continue

Biology, 23.06.2019 04:00, livvyr0cks

Agriculture is changing the environment. with increased populations, there is a greater demand for food. which of the following is not an impact of farming? a) pesticide and fertilizer pollution b) sediment transport and deposition downstream c) increased water supply and flooding d) desertification and deforestation

Answers: 1

continue

Do you know the correct answer?

Only the proteins that the bacteria escherichia coli (e. coli) needs are synthesized at any given ti...