In E. coli, a cluster of three genes called the lac Choose ...

produce enzymes that break apart lactose.

What characteristics do bryophytes share with algae?

Cancers may be either inherited or they may be induced by environmental factors such as carcinogens and radiation. Select the statement that explains how diverse factors such as hereditary events and environmental agents can both cause cancer. 1.

Ileocecal sphincter tone decreases (relaxes) after distention of which structure? Colon Esophagus Ileum Pharynx

Use the word "passive transport" in a biology related sentence

What are the basic building blocks of DNA and RNA? A. nucleotides B. phosphorous C. proteins D. sugar

Do you guys know of any plants that would be easy to write a 400 word essay on?

What is the relationship between a nucleotide and a molecule of amino acid

A scientist crosses a homozygous red flower with a homozygous white flower. All of the resulting offspring are heterozygous with red flowers.

What happens during the cell cycle?

Which of the following best describes the long-term impact of using a renewable energy source? A.) Geothermal energy can pollute water supplies. B.) Hydropower involves blocking rivers, which disrupts ecosystems. C.