Biology, 23.09.2020 14:01 hellodarkness14
The numerous chemical reactions that occur in living cells can be disrupted if conditions are too acidic or too basic. Cells are equipped to counteract such changes with substances called which can neutralize acidic or basic compounds that enter the system. This response keeps the cells in an optimum
range, where life functions can be carried out most effectively.
1: chemo-taxis/buffers/carbohydrates
2:PH/phototaxis/temperature
Answers: 2
Biology, 21.06.2019 17:20
The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.
Answers: 1
Biology, 22.06.2019 01:00
Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals
Answers: 1
Biology, 22.06.2019 07:00
Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.
Answers: 1
The numerous chemical reactions that occur in living cells can be disrupted if conditions are too ac...
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