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, 21.06.2019 19:00
What came first egg or chicken? and is tomato a vegetable or a fruit?
Answers: 1
Biology, 22.06.2019 10:30
If your client can successfully complete two or more repetitions above the desired repetition range in the last set in two consecutive workouts for any given exercise, the load should be depending on your client's current physical abilities. increased by 1-5% increased by 2-10% increased by 5-15% increased by 10-20% none of these
Answers: 1
Biology, 22.06.2019 12:30
Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism
Answers: 1
Biology, 22.06.2019 13:10
Which of the following is not a benefit of genetically modified foods? a.pest-resistant crops b.herbicide-resistant crops c.plants that do not require water?
Answers: 2
Which of the following is true of a cell membranes?
a. cell membranes allow all substances to...
a. cell membranes allow all substances to...
History, 30.11.2020 21:20
Mathematics, 30.11.2020 21:20
Mathematics, 30.11.2020 21:20
English, 30.11.2020 21:20
Mathematics, 30.11.2020 21:20
World Languages, 30.11.2020 21:20
Arts, 30.11.2020 21:20
Mathematics, 30.11.2020 21:20
Biology, 30.11.2020 21:20
Mathematics, 30.11.2020 21:20
English, 30.11.2020 21:20