Biology, 22.07.2019 02:20, gisellekatherine1

How does the cell recognize that lactose needs to be metabolized?

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Biology, 22.06.2019 01:00, nikoidurrant

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

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Biology, 22.06.2019 03:00, Wolfzbayne

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

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Biology, 22.06.2019 08:00, alfonso55

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a. coral reefs because of the loss of the symbiotic algae living within their bodies b. penguin populations because the fish they eat will move into warmer waters c. mountain-dwelling birds because rising sea levels will relocate their food sources d. large cats in the rainforest because of decreased habitat loss for their prey

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Biology, 22.06.2019 09:00, noeminm105

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer