Which item does not contain a noble gas?
A: neon sign
B: mp3 player
C: flash...
Biology, 12.02.2020 23:13, samueldfhung
Which item does not contain a noble gas?
A: neon sign
B: mp3 player
C: flash camera
D: helium balloon
Answers: 2
Biology, 22.06.2019 09:00, idk8348
The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.
Answers: 2
Biology, 22.06.2019 11:00, Loliii
Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?
Answers: 2
Biology, 22.06.2019 11:00, braxtengames
Which measure of an earthquake depends on how close you are to the focus?
Answers: 3
Biology, 22.06.2019 17:20, kia9174
Which of the following is an advantage of using embryonic stem cells in medical research? a. the use of embryonic stem cells is much less expensive than the use of adult stem cells. o b. no living tissue is damaged when scientists use embryonic stem cells. o c. embryonic stem cells are able to differentiate into a wider range of cells than adult stem cells. d. there is no controversy surrounding the use of embryonic stem cells.
Answers: 3
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