Biology, 19.10.2019 21:50 restinpeicejahseh
Asteroid hormone reaches its target cell. which event happens next?
a. it binds itself to the receptors on the surface of the cell membrane, which activates enzymes inside the cell.
b. it passes through the cell membrane and attaches itself to a receptor protein inside the cell.
c. it passes on the signal to the secondary messengers inside the cell, which activate the receptors on the cell membrane.
Answers: 3
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 3
Biology, 21.06.2019 21:00
My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway
Answers: 3
Biology, 21.06.2019 22:00
Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth
Answers: 2
Biology, 22.06.2019 06:00
In the practice of science, this type of reasoning is used to develop explanations.
Answers: 1
Asteroid hormone reaches its target cell. which event happens next?
a. it binds itself to th...
a. it binds itself to th...
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