Topic 3 Flashcards
What is cytology?
A) Study of plants
B) Study of cells
C) Study of animals
D) Study of ecosystems
Study of cells
How does cytology relate to psychology?
A) It studies emotions
B) It connects biology to psychological well-being
C) It focuses on mental disorders
D) It ignores mental processes
It connects biology to psychological well-being
Which part of an animal cell regulates entry and exit?
A) Nucleus
B) Cytoplasm
C) Cell membrane
D) Golgi apparatus
Cell membrane
What is the function of the cytoplasm?
A) Protects the cell
B) Houses organelles
C) Stores DNA
D) Produces energy
Houses organelles
What does the nucleus do?
A) Produces ATP
B) Manages cell activities
C) Digests waste
D) Provides structure
Manages cell activities
What condition does Mackenzie have?
A) Mitochondrial disorder
B) Situs inversus
C) Ciliary dyskinesia
D) Lysosomal storage disorder
Situs inversus
What can mitochondrial disorders lead to?
A) Improved digestion
B) Energy production issues
C) Enhanced mental health
D) Increased cell division
Energy production issues
What do lysosomal storage disorders cause?
A) Energy surplus
B) Buildup of harmful substances
C) Increased oxygen flow
D) Normal cell function
Buildup of harmful substances
What is differentiation in cells?
A) Cells growing larger
B) Cells becoming specialized
C) Cells dividing uncontrollably
D) Cells communicating
Cells becoming specialized
Which structure synthesizes lipids?
A) Rough ER
B) Smooth ER
C) Golgi apparatus
D) Lysosomes
Smooth ER
What is the main function of the Golgi apparatus?
A) Energy production
B) Protein packaging and distribution
C) DNA storage
D) Waste breakdown
Protein packaging and distribution
What do mitochondria do?
A) Digest waste
B) Generate ATP
C) Support organelles
D) Control cell activities
Generate ATP
How do lysosomes function in a cell?
A) Produce energy
B) Digest waste materials
C) Control cell functions
D) Package proteins
Digest waste materials
What role do centrosomes play?
A) Generate ATP
B) Help in cell division
C) Package proteins
D) Store DNA
Help in cell division
What does the cytoskeleton provide?
A) Energy
B) Structural support
C) Genetic material
D) Nutrients
Structural support
What is the role of the nucleus?
A) Energy production
B) DNA storage and activity control
C) Waste removal
D) Protein synthesis
DNA storage and activity control
What do villi do in the digestive system?
A) Decrease surface area
B) Aid in nutrient absorption
C) Digest waste
D) Store energy
Aid in nutrient absorption
What is diffusion?
A) Movement from low to high concentration
B) Movement from high to low concentration
C) Movement of water only
D) Movement requiring energy
Movement from high to low concentration
What is active transport?
A) Movement without energy
B) Movement against a concentration gradient
C) Passive movement of substances
D) Movement of water only
Movement against a concentration gradient
What is osmosis?
A) Movement of nutrients
B) Movement of water across a membrane
C) Active transport of ions
D) Cell division process
Movement of water across a membrane
What happens during interphase?
A) Cell divides
B) Cell grows and prepares for division
C) Cell dies
D) Cell produces energy
Cell grows and prepares for division
What is the function of chromosomes?
A) Produce ATP
B) Store genetic information
C) Digest waste
D) Transport proteins
Store genetic information
What is a key characteristic of cancer cells?
A) Controlled growth
B) Uncontrolled division
C) High specialization
D) Slow growth
Uncontrolled division
What is apoptosis?
A) Uncontrolled cell growth
B) Programmed cell death
C) Cell division
D) Energy production
Programmed cell death
What is the purpose of the HPV vaccine?
A) Cure cancer
B) Prevent cervical cancer
C) Treat infections
D) Enhance immune response
Prevent cervical cancer
What are HeLa cells?
A) Normal human cells
B) Immortal cells from Henrietta Lacks
C) Cells used in therapy
D) Cells affected by cancer
Immortal cells from Henrietta Lacks
Why are ethical considerations important in research using HeLa cells?
A) They require expensive materials
B) They raise consent and exploitation issues
C) They have no ethical implications
D) They are always used with permission
They raise consent and exploitation issues
What is the relationship between physical health and mental well-being?
A) They are unrelated
B) They are deeply intertwined
C) Physical health is more important
D) Mental well-being affects only thoughts
They are deeply intertwined