Question 1

Which of the following structures is found in both prokaryotic and eukaryotic cells?

Accepted Answer

Ribosomes

Question 2

A student observes a cell under a microscope and notes the presence of a nucleus, mitochondria, and a cell wall. Which type of cell is the student most likely observing?

Accepted Answer

Plant cell

Question 3

According to the Endosymbiotic Theory, which organelle is believed to have originated from a symbiotic relationship with a prokaryotic cell?

Accepted Answer

Mitochondrion

Question 4

Which biomolecule is primarily responsible for storing genetic information in cells?

Accepted Answer

Nucleic acid

Question 5

What is the main function of the phospholipid bilayer in the plasma membrane?

Accepted Answer

To control the movement of substances in and out of the cell

Question 6

Which of the following best describes osmosis?

Accepted Answer

Movement of water from high to low concentration across a semipermeable membrane

Question 7

A cell is placed in a hypertonic solution. What will most likely happen to the cell?

Accepted Answer

It will shrink as water leaves the cell

Question 8

Which process requires energy to move molecules against their concentration gradient?

Accepted Answer

Active transport

Question 9

Which part of a nucleotide is responsible for coding genetic information?

Accepted Answer

Nitrogenous base

Question 10

Which of the following is a function of proteins in the cell membrane?

Accepted Answer

Facilitating transport of molecules across the membrane

Question 11

Which of the following best explains why plant cells appear green under a microscope?

Accepted Answer

Presence of chloroplasts containing chlorophyll

Question 12

Which of the following is NOT a difference between prokaryotic and eukaryotic cells?

Accepted Answer

Presence of ribosomes

Question 13

Which biomolecule is primarily responsible for speeding up chemical reactions in the cell?

Accepted Answer

Protein

Question 14

A scientist observes a cell with no nucleus, circular DNA, and a cell wall. Which type of cell is this?

Accepted Answer

Prokaryotic cell

Question 15

Which process is illustrated by the movement of water out of a cell when placed in a salt solution?

Accepted Answer

Osmosis

Question 16

Which of the following equations best represents the movement of molecules during passive transport?

Accepted Answer

$$C_{high} \rightarrow C_{low}$$

Question 17

Which of the following is a correct match between a biomolecule and its function?

Accepted Answer

Lipid - Make up biological membranes

Question 18

During which process does the cell engulf large particles by wrapping the plasma membrane around them and forming a vesicle?

Accepted Answer

Endocytosis

Question 19

Which of the following best describes the function of the cell wall in plant cells?

Accepted Answer

Provides structural support and protection

Question 20

Which of the following is a unique feature of eukaryotic cells compared to prokaryotic cells?

Accepted Answer

Presence of membrane-bound organelles

Biology Cell Structure, Biomolecules, and Transport Study Guide

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