Biology, 29.01.2021 18:00, NBASTARK4523
In a food web, an organism takes in carbon dioxide from its environment to fuel its life processes.
What is one way the organism returns oxygen to the environment?
O breathing in air
O photosynthesis
O cellular respiration
O releasing heat energy
Answers: 3
Biology, 22.06.2019 21:40, Pizzzzza
2pomis which of the following would be a valid hypothesis for a scientific investigation about how transportation affects food security? alcannotatiord foods purchased from the local farmers market. o b. how does the distance a food travels affect its affordability? o e foods that travel great distances cost less than foods bought o d why do local farmers markets have food with such high prices?
Answers: 2
Biology, 22.06.2019 22:00, lilchannelll4125
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
Biology, 22.06.2019 22:40, chandranewlon
What are the coordinates of vertex a of square abcd? a (–1, –6) b (–1, –2) c (–1, 6) d (–2, 1)
Answers: 2
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