Why is it beneficial for E. coli to have the ability to regulate the expression of the lac genes, rather than just express them all the time?

A scientist recently discovered a pond organism that is unicellular, contains chloroplasts and other membrane-bound organelles, and has a flagellum. in which kingdom is this organism classified?

A diploid cell containing 32 chromosomes will make a haploid cell containing ___ chromosomes.

Carbon dioxide concentration would be the highest in the a) vena cava b) pulmonary vein c) renal artery

Why do you think the public was more accepting of trans fat than of animal fats?

How are sound energy and light energy similar? OA. They both have a wavelength and a frequency OB. They both need a medium to travel through. OC. They are both kinds of mechanical energy. D. They are both carried from place to place by particles.

What was the result of the human genome project?

During periods of extreme stress a client may experience elevated blood pressure, dilated pupils, and increased respirations. these unconscious responses originate in which part of the brain?

It takes about 8 minutes 20 seconds for light (or radio waves) to travel from the sun to Earth. In the future, when there is a human colony orbiting Saturn, about how long will it take you to send a message from Earth to that colony? A. 71.25 s B.

How does King Hamlet die? A. His wine glass is poisoned. B. He is thrown off a bridge. C. He is bitten by a snake. D. Poison is poured in his ear.

A group of people? A:perspectives B:insituitions C:commuinty D:circumstances