All cell membranes are composed of:
Correct answer: C. Lipo protein
- A. Proteins
- B. Lipids
- C. Lipo protein
- D. Cellulose
Explanation
Lipids → mainly phospholipids, form the bilayer (structural framework).Proteins → embedded or attached, responsible for transport, receptors, enzymes.Together, they form a lipoprotein complex.All cell membranes are composed of lipoproteins (lipids + proteins).
Last updated
About Animal and Plant Cell
Animal and plant cells share a plasma membrane, cytoplasm, nucleus, ribosomes, mitochondria and endoplasmic reticulum, but plant cells also have a cellulose cell wall, chloroplasts and a large permanent vacuole. Questions cover organelle structure and function, differences between the two cell types, and how membranes control movement of substances.
Practise Cell Structure and Function
2,478 free Cell Structure and Function MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Biology questions like this
Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.