Biology, 24.12.2019 02:31 taylenlane4213
Aprotein channel, like the peripheral and integral proteins in the diagram, is a transport protein that. a. always moves substances against a concentration gradient. b. always moves substances with a concentration gradient. c. serves as a tunnel for specific substances. d. always requires energy from the cell. i'm thinking a or d but i'm not sure.
Answers: 3
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Biology, 22.06.2019 10:30
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Biology, 22.06.2019 22:00
Imagine you are a student in alfred hershey and martha chase's lab in the late 1940's. you are given five test tubes with the e. coli bacteria that were infected with t2 bacteriophage that have been labeled with 32p or 35s. unfortunately, you forgot to label the tubes and are now uncertain which were 32p labeled and which were 35s labeled. you place the contents of each tube in a blender and pulse it for a few seconds to shear off the protein coats from the bacterial outer membranes. you then centrifuge the contents to seperate the protein coats and the bacterial cells. you then check for radioactivity and obtain the results shown below. which tubes contained e. coli infected with the phage labeled with 32p? select all tubes that apply.
Answers: 3
Aprotein channel, like the peripheral and integral proteins in the diagram, is a transport protein t...
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