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Biology

Which of the following is not a response? A tree turning its leaves towards the sun, a mushroom appearing wet in the rain, a protozoan contracting when touched, or your stomach rumbling when you smell food.

What two burnt-out stars does PSR B1629-26 b orbit? A light year and a red dwarf A pulsar and white dwarf A black dwarf and a burst A brown dwarf and the sun

Which of these is a tRNA? The process of translation. Each letter marks a definite structure. Letter A marks a thread, to which the ribosome is attached. This thread is the template of translation. Letter B marks a structure bonded to Gly and located inside structure C. Letter C marks a structure, in which translation happens. Letter D marks a thread, the product of translation. Letter E marks constituent elements of the forming thread.

How do you change dna to rna to amino acids

A retired contract administrator who enjoyed gardening sought medical attention for what appeared to be a sinus infection. He received antimicrobials but the conditioned worsened and he was experiencing severe painful spasms in his jaw. He admitted to injuring himself with a gardening tool while wearing sandals in the yard but did not seek medical attention for the wound. The man is likely experiencing what?

Pesticides, such as DDT, often have harmful effects on aquatic ecosystems. One harmful effect would be that these pesticides A) cause fish to become sterile and unable to lay eggs. Eliminate B) cause algae and plants to overgrow and pollute the water when they die. C) accumulate in animals and build up in toxic concentrations as they pass through the food chain. D) eliminate most of the algae and plants in the food chain, causing animals to starve, at higher levels of the food chain.

cell regulation is conducted by special ___.

Cells that have the same function are organized into

A biologist marked a cell that he knew was about to undergo meiosis. A short time later he observed the four cells produced by the original marked cell, their chromosome numbers were 17, 17, 18, 16. He knew these numbers indicate that something abnormal had occurred during meiosis.

Components of muscle tissue smallest to largest

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