Cell Structure
The cell membrane is mostly composed of _____________.
A. Phospholipids & Steroids
B. Carbohydrates & Steroids
C. Phospholipids & Proteins
D. Proteins & Steroids
What is hospholipids & Proteins
Which cell structure are responsible for protein synthesis?
A. Lysosomes
B. Golgi Bodies
C. Ribosomoes
D. Mitochondria
What is Ribosomoes
A red blood cell placed into a container of hypotonic solution (for example, distilled water) will ________ water through the process of ___________.
A. Gain; Osmosis
B. Lose; Facilitated Diffusion
C. Gain; Facilitated Diffusion
D. Lose; Osmosis
What is Gain; Osmosis
Which numerous, finger-like cellular extensions increase the surface area of the cell so that larger amounts of materials can be absorbed by the cell?
A. Flagella
B. Eicosanoids
C. Cilia
D. Microvilli
What is Microvilli
During which phase of the cell cycle is DNA replicated?
A. S Phase of Interphase
B. G1 Phase of Interphase
C. G2 Phase of Interphase
D. M Phase
What is S Phase of Interphase
The _______ is the structure within the cell that is responsible for controlling cellular activities.
A. Nucleus
B. Golgi Apparatus
C. Rough Endoplasmic Reticulum (Rough ER)
D. Mitochondria
What is the Nucleus
Which cell organelle is responsible for modifying & packaging proteins?
A. Rough Endoplasmic Reticulum (Rough ER)
B. Smooth Endoplasmic Reticulum (Smooth ER)
C. Golgi Apparatus
D. Mitochondria
What is Golgi Apparatus
Which cell membrane transportation method requires the use of energy?
A. Facilitated Diffusion
B. Osmosis
C. Vesicular Transport
D. Simple Diffusion
What is Vesicular Transport
Which multiple, hair-like, cellular extensions help to move materials across the exposed surface of a cell?
A. Eicosanoids
B. Flagella
C. Microvilli
D. Cilia
What is Cilia
During the _________ stage of the cell cycle, the nuclear membrane (envelope) disappears.
A. Interphase
B. Telophase
C. Prophase
D. Metaphase
What is Prophase
Where are ribosomes produced & assembled?
A. In the nucleolus
B. In the chromatin
C. In the cytoplasm
D. In the Golgi Apparatus
What is In the nucleolus
Which cellular organelle contains digestive enzymes that are used degrade & demolish worn-out or non-functional cellular organelles?
A. Peroxisomes
B. Centrioles
C. Vacuoles
D. Lysosomes
What is Lysosomes
What is the movement of molecules from high to low concentration without the need for transport proteins called?
A. Simple Diffusion
B. Facilitated Diffusion
C. Osmosis
D. Active Transport
What is Simple Diffusion
Cylindrical, fluid-filled cellular junctions that are important for cellular communication are called ______________________.
A. Plaques
B. Gap Junctions
C. Tight Junctions
D. Desmosomes
What is Gap Junctions
The process of cytokinesis begins during the ______________ stage of mitosis.
A. Interphase
B. Metaphase
C. Prophase
D. Anaphase
What is Anaphase
Which structure surrounds the cell and regulates what enters and leaves?
A. The Nucleous
B. The Cell Membrane
C. The Mitochondrion
D. The Cytoplasm
What is the Cell Membrane
Which of the following is a barrel-shaped cell organelle, typically found near the nucleus, that is involved in the process of mitosis?
A. Centriole
B. Lysosome
C. Peroxisome
D. Centrosome
What is Centriole
During the process of ___________ molecules or particles are moved from an area of high concentration to an area of lower concentration using a channel or carrier.
A. Facilitated Diffusion
B. Simple Diffusion
C. Vesicular Transport
D. Osmosis
What is Facilitated Diffusion
_________ are the cellular junctions that form an impermeable connection between two cells.
A. Tight Junctions
B. Gap Junctions
C. Anchoring Junctions
D. Desmosomes
What is Tight Junctions
Which phase is when the cell prepares for division before mitosis begins?
A. Cytokinesis
B. Interphase
C. Metaphase
D. Anaphase
What is Interphase
Where are ribosomes produced & assembled?
A. In the nucleolus
B. In the chromatin
C. In the cytoplasm
D. In the Golgi Apparatus
What is In the cytoplasm
Which organelle is responsible for producing most of the cell's ATP energy?
A. Golgi Apparatus
B. Ribosomes
C. Mitochondria
D. Endoplasmic Reticulum
What is Mitochondria
During the process of ___________, molecules are transported against the concentration gradient from an area of low concentration to an area of higher concentration.
A. Simple Diffusion
B. Facilitated Diffusion
C. Osmosis
D. Active Transport
What is Active Transport
What happens to a cell placed in a hypertonic environment?
A. It stays the same size
B. Its shrinks
C. It swells
D. It bursts
What is It shrinks
Which stage of mitosis is characterized by the formation of two new nuclei?
A. Prophase
B. Metaphase
C. Telophase
D. Anaphase
What is Telophase