Which of the following best describes the biological role of the lac operon? View Available Hint(s) Which of the following best describes the biological role of the lac operon? It ensures that bacterial cells produce lactose only when no other food sources are available. It ensures that a cell dedicates resources to the production of enzymes involved in lactose metabolism only when lactose is available in the environment. It ensures that a cell produces enzymes involved in lactose metabolism in a constitutive manner. It prevents other sugars from being metabolized until all available lactose has been used.
Answers: 1
Biology, 22.06.2019 11:30
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
Answers: 1
Biology, 22.06.2019 14:00
An area has a few days of low humidity, warm air temperature, and high air pressure. what kind of weather is this area experiencing? o fog o snow storms o sun
Answers: 1
Biology, 22.06.2019 14:00
Organelles found in plant cells that function through photosynthesis to produce glucose from carbon dioxide and water are called — question 21 options: chloroplasts guard cells photosynthons
Answers: 1
Which of the following best describes the biological role of the lac operon? View Available Hint(s)...
Spanish, 23.02.2021 02:40
Mathematics, 23.02.2021 02:40
English, 23.02.2021 02:40
History, 23.02.2021 02:40
Mathematics, 23.02.2021 02:40
Mathematics, 23.02.2021 02:40
Mathematics, 23.02.2021 02:40
Mathematics, 23.02.2021 02:40
Mathematics, 23.02.2021 02:40
Mathematics, 23.02.2021 02:40
Spanish, 23.02.2021 02:40
Social Studies, 23.02.2021 02:40