TEAS Test Study Guide - Cell Biology

TEAS Test Study Guide - Cell Biology

Multiple Choice

What is the main function of ribosomes?

• Energy production

• Protein synthesis

• Cellular respiration

• DNA replication

• Ribosomes contain the nucleic acid RNA which assembles and joins amino acids to make proteins.

• They can be found alone or in groups within the cytoplasm as well as on the rough endoplasmic reticulum.

​Ribosomes

Multiple Choice

What is the main purpose of biosynthesis?

• To regulate the body's internal environment

• To remove waste products from the body

• To produce and maintain the necessary molecules for cellular function

• To transport oxygen to the body's cells

Multiple Choice

What are the building blocks used in biosynthesis?

• Simple molecules

• Metabolites

• Complex molecules

• Inorganic compounds

Multiple Choice

What is the process of biosynthesis?

• The movement of molecules across a selectively permeable membrane

• The process of transforming energy from the Sun into chemical energy

• The breakdown of complex molecules by living organisms into simpler molecules

• The production of complex molecules by living organisms using simple molecules as building blocks

Multiple Choice

Which of the following best describes the process of metabolism?

• The chemical processes that occur within a living organism to maintain life

• The breakdown of food molecules to release energy

• The transportation of oxygen to cells

• The removal of metabolic waste products from the body

Multiple Choice

What is produced in aerobic respiration?

• ATP

• CO₂

• Glycolysis

• Water

Multiple Choice

Which of the following is NOT a characteristic of the rough endoplasmic reticulum?

• energy production

• transport of proteins

• modification of proteins

Multiple Choice

Which of the following is NOT a function of the Golgi apparatus?

• Vesicle formation

• Lipid modification

• Energy production

• Protein modification

Multiple Choice

Which organelle is responsible for the processing and packaging of lipids?

• Rough endoplasmic reticulum

• Smooth endoplasmic reticulum

• Vacuole

• Lysosome

• Golgi apparatus is a large organelle that processes proteins and prepares them for use both inside, and outside the cell.

• It is like a post office. It receives items (proteins from RER), packages and labels them, and then sends them onto their destinations (to different parts of the cell or to the cell membrane for transport out of the cell).

​Golgi Apparatus

Multiple Choice

Which of the following is the primary function of chloroplasts?

• Producing ATP

• Regulating cell activity

• Carrying out photosynthesis

• Storing genetic information

Multiple Choice

Which of the following is NOT a function of cilia?

• Movement of mucus

• Production of enzymes

• Removal of foreign particles

• Facilitation of cell communication

Multiple Choice

Which of the following is the primary function of the cytoskeleton?

• Synthesizing proteins

• Maintaining cell shape and providing structural support

• Regulating gene expression

Multiple Choice

Which cellular structures are responsible for movement in certain types of single-celled organisms?

• Nucleus

• Ribosomes

• Flagella

• Mitochondria

Multiple Choice

What is the structure that forms a boundary between the cell and its external environment?

• Endoplasmic reticulum

• Plasma membrane

• Mitochondria

• Nucleus

Multiple Choice

Which of the following is another term for the plasma membrane?

• Nuclear membrane

• Golgi apparatus

• Cytoplasm

• Cell membrane

Multiple Choice

What is the main component of the plasma membrane?

• Protein

• Lipid bilayer (made up of phospholipids)

• Cholesterol

• CytoplasmLipid bilayer

Multiple Choice

What is the function of the cell membrane in maintaining cell homeostasis?

• Controlling the movement of substances in and out of the cell

• Supporting the structure of the cell

• Generating energy for cellular activities

• Storing genetic information

Multiple Choice

Which of the following is NOT a characteristic of lysosomes?

• Involved in intracellular digestion

• Contain hydrolytic enzymes

• Help maintain cellular homeostasis

• Production of ATP

Multiple Choice

What happens if lysosomes malfunction?

• Improved cell communication and signaling

• Accumulation of waste materials can lead to cell damage

• Enhanced muscle contraction and movement

• Increased cell division and growth

Multiple Choice

What is the main function of the mitochondria?

• To produce energy (ATP) for the cell

• To transport materials within the cell

• To facilitate protein synthesis

• To store genetic information

Multiple Choice

Which of the following is NOT a function of the nucleus?

• Regulation of cell activities

• Transcription of DNA

• Protein synthesis

• Storage of genetic information

Multiple Choice

Which of the following best defines an organelle?

• A structure that controls cell division

• The basic unit of life

• A specialized structure within a cell that performs a specific function

• A group of cells working together

Multiple Choice

What is the definition of a vesicle?

• A vesicle is a structure in the cell responsible for protein synthesis.

• A vesicle is a specialized cell that produces hormones.

• A vesicle is a type of bone found in the human body.

• A vesicle is a small, fluid-filled sac that is enclosed by a membrane.

Multiple Choice

Which of the following statements about vesicles is true?

• Vesicles are primarily responsible for energy production in cells.

• Vesicles are essential for cellular processes such as secretion, exocytosis, and endocytosis.

• Vesicles are only found in plant cells and play no role in animal cells.

• Vesicles are optional components of cells and not involved in any vital functions.

Multiple Choice

Which of the following describes passive transport?

• Movement of substances through carrier proteins

• Movement of substances across the cell membrane with the use of energy

• Movement of substances against the concentration gradient

• Movement of substances across the cell membrane without the use of energy

Multiple Choice

Which of the following is not an example of passive transport?

• Simple diffusion

• Endocytosis

• Facilitated diffusion

• Osmosis

Multiple Choice

Which of the following is a characteristic of facilitated diffusion?

• Movement of molecules through the process of osmosis

• Movement of molecules without the involvement of transport proteins

• Movement of molecules against the concentration gradient

• Movement of molecules across the cell membrane with the help of transport proteins

Multiple Choice

In osmosis, water moves across the cell membrane from an area of _____ concentration to an area of _____ concentration.

• High, low

• Equal, equal

• Low, high

• Random, random

Multiple Choice

In which direction does water move in osmosis?

• In random directions

• From an area of high solute concentration to an area of low solute concentration

• From an area of low solute concentration to an area of high solute concentration

• Water does not move in osmosis

Multiple Choice

Which statement accurately describes active transport?

• Active transport is a passive process that does not require energy

• Active transport moves molecules from an area of lower concentration to an area of higher concentration

• Active transport moves molecules from an area of higher concentration to an area of lower concentration

• Active transport occurs only in animal cells

Multiple Choice

How does active transport differ from passive transport?

• Active transport involves movement of small molecules, while passive transport involves movement of larger molecules

• Active transport requires energy, while passive transport does not

• Active transport occurs through simple diffusion, while passive transport involves facilitated diffusion

• Active transport involves movement of molecules with concentration gradient, while passive transport involves movement against the concentration gradient

Multiple Choice

What is the term used for the process of cells sticking together?

• Cell division

• Cellular respiration

• Cell differentiation

• Cell adhesion

Multiple Choice

Which of the following is NOT a mechanism of cell movement?

• Cilia

• Flagella

• Contraction

• Chemotaxis

Multiple Choice

Which of the following is a process by which cells communicate with each other?

• Cellular division

• Cellular respiration

• Cell signaling

• Cellular metabolism

Multiple Choice

Arrange the stages of aerobic respiration in the correct order.

• Glycolysis, Electron transport chain, Krebs cycle

• Krebs cycle, Glycolysis, Electron transport chain

• Glycolysis, Krebs cycle, Electron transport chain

• Electron transport chain, Glycolysis, Krebs cycle

Multiple Choice

Which is the first stage of protein synthesis?

• Mutation

• Replication

• Transcription

• Translation

Multiple Choice

Which stage involves the assembly of polypeptides in ribosomes?

• Translation

• Polymerization

• Recombination

• Transcription