Which of the following statements describe situations of passive transport across a cell membrane? (Choose all that apply)
-A cell uses energy to move molecules across a membrane from an area of lower concentration to an area of higher concentration.
-Water is moved across a membrane to dilute a molecule that is highly concentrated on the other side.
-A cell removes specific molecules through a membrane based on size.
-A molecule disperses to create a uniform concentration throughout a solution
Answers: 3
Biology, 21.06.2019 18:50
Of the pollutants that form acids in the atmosphere, which is easiest to reduce? a. sulfur dioxide b. nitrogen dioxide c. ozone d. carbon monoxide
Answers: 3
Biology, 21.06.2019 19:30
Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers
Answers: 2
Biology, 22.06.2019 03:50
The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above
Answers: 1
Biology, 22.06.2019 04:00
Number and variety of living organisms includes genetic, species, and ecological types
Answers: 3
Which of the following statements describe situations of passive transport across a cell membrane? (...
Computers and Technology, 05.10.2019 11:50
Mathematics, 05.10.2019 11:50
Mathematics, 05.10.2019 11:50
History, 05.10.2019 11:50
Biology, 05.10.2019 11:50
Chemistry, 05.10.2019 11:50
Chemistry, 05.10.2019 11:50
History, 05.10.2019 11:50
English, 05.10.2019 11:50
Spanish, 05.10.2019 11:50
Social Studies, 05.10.2019 11:50
Geography, 05.10.2019 11:50
Mathematics, 05.10.2019 11:50