Biology, 27.01.2021 20:40 terribrady98
. Students were investigating the movement of water through a semi-permeable
membrane. They made three model cells with a semi-permeable membrane and filled
each cell with a 6% salt solution. Each cell was then put into a beaker with the salt
concentration shown below.
Beker
Beker
6X Salt solution
in each cell
Concentration of Salt in the beaker solution.
3% Salt 6% Salt 9% Salt
Images by Houston ISD Secondary Scence Curriculum
Assuming the cell membrane allowed water to pass through, but not salt, which
statement is correct?
A. The cell in Beaker 1 will grow as water enters though active transport.
B. The cell in Beaker 2 will shrink as water exits through osmosis.
C. The cell in Beaker 2 will grow as water enters though active transport.
D. The cell in Beaker 3 will shrink as water exits through osmosis
Answers: 1
Biology, 22.06.2019 04:30
Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids
Answers: 1
Biology, 22.06.2019 13:10
Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
Answers: 2
Biology, 22.06.2019 15:30
Make a claim about the factors that cause inherited genetic variations within populations. also make a claim about the effects of mutations.
Answers: 3
. Students were investigating the movement of water through a semi-permeable
membrane. They made th...
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