The metabolism of a cell is the sum of all of its chemical reactions
Indicate whether the statement is true or false
TRUE
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To find the gene that encodes for the blue-light receptor, researchers inserted the gene for the PHOT1 protein into insect cells growing in culture
When they exposed the transgenic cells to blue light, they found that the PHOT1 protein became phosphorylated. No other plant proteins were present in the insect cells. Which of the following is a reasonable conclusion from this result? The PHOT1 protein _____. A) enabled the insect cells to photosynthesize B) phosphorylated itself in the presence of blue light C) is not responsive to blue light D) is photoreversible E) is not functional in insect cells
Sexual reproduction in animals requires _____
a. meiosis b. fertilization c. spore formation d. meiosis and fertilization
What is the correct ordering in the hierarchal levels of the organization of life, from the least inclusive to the most
inclusive?
a. tissues, cells, population, organisms, and organs b. molecules, cells, organs, tissues, and organisms c. ecosystems, populations, tissues, cells, and organs d. cells, tissues, organs, communities, and populations e. cells, tissues, organs, organisms, and ecosystems
Radioactive isotopes have
a. excess electrons. b. excess protons. c. excess neutrons. d. insufficient neutrons. e. insufficient protons