Biology, 21.12.2019 04:31 mohayon2020
Which statement about the cell membrane is true? a. it contains cellulose and sugars that are involved in communication. b. it is present in animal cells only. c. it is rigid and elastic for supporting the cell’s shape. d. it prevents harmful substances from entering a cell.
Answers: 3
Biology, 22.06.2019 14:30
Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d
Answers: 1
Biology, 22.06.2019 18:00
Deserts (especially true deserts) are not easy places for animals to live. animals who live in them often have special features that them survive. which adaptation would be for this group of animals? a) keen eye sight b) short, narrow legs c) tolerate heat d) webbed feet
Answers: 2
Biology, 22.06.2019 20:00
Which of the following statements about genes and traits is true? a single trait can be controlled by multiple genes. a single gene can control a single trait. a single trait can alter multiple genes. a single gene can influence multiple traits.
Answers: 3
Which statement about the cell membrane is true? a. it contains cellulose and sugars that are invol...
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