单选题 Which of the following is not in a continuous structure forming the cell membrane?
A、 Protein molecule
B、 Phospholipid layer & protein molecule
C、 Lipid layer
D、 None of the above
单选题 Which of the following is more in the cell membrane?
A、 Proteins
B、 Lipids
C、 Carbohydrates
D、 All the above
单选题 The basic physiological functions include which of the following?
A、 Provision of oxygen nutrients
B、 Removal of metabolites waste products
C、 Both A and B
D、 None of the above
单选题 Pick from the following the organelles that lack limiting membrane.
A、 Ribosomes & cytoskeleton
B、 Endoplasmic & reticulum
C、 Lysosome
D、 Peroxisome
单选题 Sphingomyelin is present in which of the following?
单选题 Which of the following is true?
A、 Carbohydrate molecules are negatively charged and do not permit the negatively charged substances to move in and out of the cell.
B、 Glycocalyx from the neighboring cells help in the tight fixation of cells with one another.
C、 Some carbohydrate molecules function as the receptors for some hormones.
D、 All the above
单选题 Carbohydrate molecule form a thin loose covering over the entire surface of the cell membrane is known as
A、 Glycocalyx
B、 Phospholipid layer
C、 Both A and B
D、 None of the above
单选题 Pick from the following the protein that pass through the entire thickness of the cell membrane from one side to the other side.
A、 Integral proteins
B、 Peripheral proteins
C、 Globular protein
D、 None of the above
2025-07-02
共114道
