QuizMe

1: The most abundant molecules in the plasma membrane are:

cholesterol molecules

carbohydrates

phospholipids

proteins

glycolipids

2: Which of the following is NOT a component of the plasma membrane?

glycolipids

phospholipids

DNA

cholesterol

proteins

3: The plasma membrane:

produces ATP for the cell

defines the cell boundaries and controls the interaction with other cells

helps to destroy foreign material

contains genetic information

4: The membrane around the nucleus is called the:

nuclear envelope

smooth endoplasmic reticulum

nucleolus

mitochondrion

5: Which of the following is found in the nucleus of a cell?

DNA

cisterns

cilia

cristae

6: Which of the following organelles has inner folds known as cristae?

Golgi complex

rough endoplasmic reticulum

cilia

mitochondrion

7: What makes rough endoplasmic reticulum "rough"?

lysosomes

ribosomes

DNA

cilia

8: Movement of a substance through a membrane from an area of lower concentration to a higher concentration with the help of a protein pump and ATP is referred to as:

filtration

osmosis

endocytosis

active transport

simple diffusion

9: Movement of a substance through a membrane due to fluid pressure is referred to as:

active transport

osmosis

facilitated diffusion

simple diffusion

filtration

10: Movement of a substance through a membrane from an area of higher concentration to lower concentration with the help of a protein channel or a gate protein is referred to as:

filtration

active transport

osmosis

simple diffusion

facilitated diffusion