Biology, 15.01.2020 11:31 getzperez1962
Which statement about the cell membrane is true?
a. it contains cellulose and sugars that are involves i'm communication.
b. it us present in animals cells only.
c. it is rigid and elastic fur supporting the cell's shape.
d. it prevents harmful substances from entering a cell.
Answers: 2
Biology, 21.06.2019 15:30
How are rocks that cooled within magma chambers found on earth’s surface today? they are pushed up by magma under earth’s surface. they are revealed by erosion of earth’s surface over time. they are pushed to earth’s surface because of their larger size. they are revealed at earth’s surface due to their low density.
Answers: 1
Biology, 21.06.2019 17:30
In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases
Answers: 1
Biology, 22.06.2019 07:20
Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters
Answers: 2
Which statement about the cell membrane is true?
a. it contains cellulose and sugars that ar...
a. it contains cellulose and sugars that ar...
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