Unit 2 Test Review Flashcards
List the 8 Characteristics of Life
Cellular Organization
Reproduction
Metabolism
Homeostasis
Heredity
Stimuli
Growth/Development
Adaptation
What is the main differences between Prokaryotes and Eukaryotes?
Eukaryotes have a NUCLEUS
What are four things that all cells have?
Nucleus
Cell Membrane
Smooth Endoplasmic Reticulum (ER)
Cytoplasm
Where in the cell are proteins created?
Ribosomes
What is the function of the endoplasmic reticulum(ER)?
Production of proteins and steroids
What makes the rough in rough endoplasmic reticulum (ER)?
The ribosomes inside the ER
Energy conversion within an animal cell would be severely limited by the removal of which organelle?
Mitocondria
Which organelles rid of wastes and help protect the cell against viruses?
Lysosome
What is the main function of the cell memberane?
Act as a barrier
What biomolecules make up most of the cell membrane?
Phopholipids
What biomolecule is found in the cell wall of plant cells?
Cellulose
Pectin
Hemicellulous
What is the importance of the Golgi Apparatus?
Acts as a packing center of the cell.
Describe the appearance of the Golgi Apparatus.
Series of stacked membranes
What 3 organelles do plant cells have that animal cells do not have?
Cell Wall
Chloroplasts
Cytoskeleton
What is the cell wall?
Acts as a barrier
What is the Cytoskeleton?
Maintains cell shape
What is the chloroplasts?
Produce energy through photosynthesis.
What type of cell needs the most mitochondria?
Muscle - it uses the most energy
Cells move substances in and out of the cell in order to ____________.
Exchange NUTRIENTS and WASTE
__________ is the movement from high concentration to low concentration.
Diffusion
__________is the movement of water across a semi-permeable membrane.
Osmosis
________ _________ is the transport of substances across a biological membrane.
Facilitated Diffusion
Does Passive Transport require energy?
NO
What are 3 examples of Passive Transport?
Diffusion
Osmosis
Facilitated Diffusion