Which of the following is true of a cell membranes?
a. cell membranes allow all substances to pass through easily
b. it is selectively permeable so only certain molecules can pass through it.
c. it acts more like a fluid than a solid because its molecules are constantly
d. cell membranes surround all animal, plant, and bacterial cells.
e. it is a bilayer composed mainly of phospholipids and proteins
Answers: 1
Biology, 22.06.2019 04:50
How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.
Answers: 3
Biology, 22.06.2019 11:20
Drag each label to the correct location on the chart. match the function to the type of tissue
Answers: 2
Biology, 22.06.2019 15:30
Kate is studying the transformation from unicellular to multicellular organisms. which metaphor is the most appropriate to apply to the map of the timeline.
Answers: 1
Biology, 22.06.2019 20:00
What is the term for a water wave that is created by an underwater earthquake
Answers: 1
Which of the following is true of a cell membranes?
a. cell membranes allow all substances to...
a. cell membranes allow all substances to...
English, 03.07.2019 09:40
Mathematics, 03.07.2019 09:40
Biology, 03.07.2019 09:40
Physics, 03.07.2019 09:40
Health, 03.07.2019 09:40
Biology, 03.07.2019 09:40
Health, 03.07.2019 09:40
Social Studies, 03.07.2019 09:50
Mathematics, 03.07.2019 09:50
Biology, 03.07.2019 09:50