Biology, 27.11.2019 04:31 rainbowdashgirl68
Acell has a membrane potential of -100 mv (more negative inside than outside) and has 1,000 times more calcium ions outside the cell than inside. which best describes a mechanism by which ca²⁺ enters this cell?
a. facilitated diffusion of ca²⁺ into the cell down its electrochemical gradient
b. movement of ca²⁺ into the cell through an ion channel down its concentration gradient
c. passive diffusion of ca²⁺ into the cell down its electrochemical gradient
d. cotransport of ca²⁺ into the cell with cl⁻
e. movement of ca²⁺ into the cell through a carrier protein down its electrical gradient
Answers: 3
Biology, 22.06.2019 07:30
Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.
Answers: 2
Biology, 22.06.2019 08:20
In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.
Answers: 3
Biology, 22.06.2019 21:30
Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each type of organism to a characteristic that describes it.
Answers: 2
Acell has a membrane potential of -100 mv (more negative inside than outside) and has 1,000 times mo...
Mathematics, 02.04.2022 19:30
Biology, 02.04.2022 19:40
Engineering, 02.04.2022 19:50
Mathematics, 02.04.2022 19:50
Mathematics, 02.04.2022 19:50
Mathematics, 02.04.2022 19:50