The cell membrane has __________ ___________, controlling what enters and exits the cell.
What is Selective permeability
100
Responsible for breaking down cellular waste.
What is Lysosomes
100
_________ transport requires energy to move substances across the cell membrane.
What is Active
100
Phase of mitosis where the chromosomes line up in the middle of the cell.
What is Metaphase.
100
_________ is defined as programmed cell death.
What is Apoptosis.
200
The phospholipid bilayer is characterized by _________ tails and __________ heads.
What is Hydrophobic; hydrophilic
200
Protein synthesis occurs within the _________.
What is Ribosomes
200
In passive transport systems, a concentration gradient exists where molecules move from ___________ concentration to ___________ concentration.
What is high; low
200
The phase of the cell cycle where the majority of growth occurs.
What is Interphase
200
Substances move across a concentration gradient until ________ is reached.
What is Equilibrium.
300
The nucleus is surrounded by a lipid bilayer called the _______ ___________.
What is Nuclear envelope
300
_________ and _________ are extensions from the cell wall that aid in mobility.
What is Cilia; flagella
300
______, or excess tissue fluid, is removed from the body's cells through filtration.
What is Edema
300
Mitosis and cytokinesis are both cellular ___________.
What is Divisions.
300
DNA is synthesized during the ______ phase of interphase.
What is S, or synthesis.
400
____________ and ____________ are the components of the cytoskeleton responsible for the cell's structure.
What is Microfilaments and microtubules
400
Why might muscle cells contain many mitochondria?
What is Mitochondria produce cellular energy
400
Pinocytosis moves _______ across the cellular membrane, while phagocytosis moves ________.
What is Liquids; solids
400
Differentiation allows certain ______ information to be expressed by cells while other information is repressed.
What is DNA.
400
_________ __________ is a passive transport system that requires transport proteins to move specific molecules across the cell membrane.
What is Facilitated diffusion.
500
_________, _________, and _________ _________ are embedded in the phospholipid bilayer.
What is Carbohydrates, cholesterol, and transport proteins
500
Mark visits the ER with pain in his abdomen. Liver cells obtained from a biopsy reveal cells with irregular proteins located in the cell wall and throughout the cytoplasm. What organelle is most likely to have malfunctioned?
What is Golgi apparatus
500
___________ solutions have higher osmotic pressure than body fluids, while ________ solutions have lower osmotic pressure.
What is Hypertonic; hypotonic
500
During telophase, 2 _______ and 2 ________ form.
What is Nuclear envelopes; nuclei
500
When cancer cells have uncontrolled cell division, ________ is the result.