Question 1

Which of the following best describes the structure of the plasma membrane?

Accepted Answer

A double layer of phospholipids with embedded proteins

Question 2

Which organelle is responsible for ATP production in eukaryotic cells?

Accepted Answer

Mitochondria

Question 3

During which phase of the cell cycle does DNA replication occur?

Accepted Answer

S phase

Question 4

Which of the following is NOT a function of the plasma membrane?

Accepted Answer

Synthesizing proteins for the cell

Question 5

Which process requires energy in the form of ATP to move substances across the cell membrane?

Accepted Answer

Active transport

Question 6

What is the correct complementary mRNA sequence for the DNA strand GCT-AGA-TCT?

Accepted Answer

CGA-UCU-AGA

Question 7

Which of the following organelles is NOT part of the endomembrane system?

Accepted Answer

Mitochondria

Question 8

Which extension of the cell is primarily responsible for movement?

Accepted Answer

Flagella

Question 9

Which phase of mitosis is characterized by the alignment of chromosomes along the center of the cell?

Accepted Answer

Metaphase

Question 10

Which of the following best describes the function of ribosomes?

Accepted Answer

Protein synthesis

Question 11

Which organelle is responsible for packaging and modifying proteins for secretion?

Accepted Answer

Golgi apparatus

Question 12

Which of the following is a non-membranous organelle?

Accepted Answer

Ribosome

Question 13

Which process describes the movement of water across a selectively permeable membrane?

Accepted Answer

Osmosis

Question 14

Which of the following is the correct sequence of events in translation?

Accepted Answer

Initiation, elongation, termination

Question 15

Which of the following best describes the function of genes?

Accepted Answer

Genes code for proteins and regulate cellular activities

Question 16

Which of the following is a correct description of cytokinesis?

Accepted Answer

Division of the cytoplasm

Question 17

Which of the following is a function of lysosomes?

Accepted Answer

Digestion of cellular waste and foreign material

Question 18

Which of the following is the correct complementary DNA sequence for the strand CCT-AGC-TCA?

Accepted Answer

GGA-TCG-AGT

Question 19

Which of the following statements about passive transport is correct?

Accepted Answer

Passive transport moves substances down their concentration gradient

Question 20

Which of the following best describes the role of tRNA in protein synthesis?

Accepted Answer

tRNA carries amino acids to the ribosome for assembly into proteins

Chapter 3: Cells – Structure, Function, and Processes

Study Guide - Practice Questions