Biology, 24.08.2019 04:20 savthespice
Which process is characterized by the movement of particles from an area of high concentration to an area of low concentration across the plasma membrane without the use of energy?
osmosis
active transport
passive transport
dynamic equilibrium
Answers: 2
Biology, 21.06.2019 21:00
Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis
Answers: 1
Biology, 22.06.2019 11:00
Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2
Answers: 2
Biology, 22.06.2019 17:00
Label all the places where dna is located in the plant cell and in the animal cell. dna
Answers: 1
Biology, 22.06.2019 21:00
Which muscle cell structure stores calcium ions that are used to trigger the contraction?
Answers: 1
Which process is characterized by the movement of particles from an area of high concentration to an...
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