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Bio I Test 2

Study for Bio I Test 2

QuestionAnswer
All living things are composed of these. Cells
Two Classifications of cells Eukaryotes and Prokaryotes
Two sub-classifications of Prokaryotes Bacteria and Archea
All cells contain Plasma Membrane, nucleus and ribosomes
Only animal cells have lysosomes
Only plant cells have chloroplasts,cell walls and central vacuoles
These are selectively permeable membranes
This type of transport does not require energy passive
This type of transport does require energy active
Active transport uses this type of energy ATP
Process in which molecules move down concentration gradient diffusion
diffusion of water osmosis
When larger molecules move through embedded transport proteins Facilitated Diffusion
Process that imports materials to cell Endocytosis
Process that exports materials out of cell Exocytosis
Materials that need to be moved are carried in a structure called vesicle
This is stored in chromosomes DNA
Directs activity of the cell Nucleus
The nuclear membrane contains these to let materials through pores
DNA molecules wrapped around proteins chromatin
chromatin folds to form a chromosome
Produces ribosomal RNA Nucleolus
DNA contains instructions for the construction of proteins
Involved in nearly all cell functions proteins
Sight of protein production Ribosomes
Two types of Endoplasmic Reticulum (ER) Smooth and Rough
Golgi Apparatus is responsible for packaging
The process in which DNA is broken to make mRNA Transcription
Process that occurs in cytoplasm; advances to golgi to be modified Translation
Some are embedded in rough ER, while others float freely in cytoplasm Ribosomes
Contains enzymes that produce lipids Smooth ER
Contains ribosomes that produce proteins Rough ER
Finishes, sorts and ships cell products Golgi Apparatus
Shipping method for exocytosis Secretory
Proteins can become a component of Plasma Membrane
Provides energy for all cells Organelles
In all plant cells and some algae chloroplasts
Powerhouse of the cell Mitochondria
Ooccurs in chloropolasts Photosynthesis
Intracellular Sacs that store food and nutrients Vacuoles
Single hair-like that propels sperm cells flagella
Small hair-like structures that move materials across the cell membrane cilia
Structure in plants and fungi that is made of cellulose Cell wall
Network of protein fibers that provide mechanical support, anchorage and reinforcement Cytoskeleton
Defined as the capacity to do work Energy
Energy due to it's location or structure Potential
Energy of motion Kinetic
Energy cannot be created or destroyed
Energy can be Converted
Biproduct of energy conversion Heat
Type of energy used by plants Solar Energy
Convert suns energy into chemical energy Producers
Process in which oxygen is used to harvest energy stored in sugar Cellular Respiration
Cellular Respiration occurs in Mitochondria
Cellular Respiration occurs as the type of respiration aerobic
`This builds up in muscles Lactic Acid
Name for egg and sperm cells Gametes
Name for testes and ovaries gonads
This is a segment of DNA gene
In preparation for division of chromosomes Interphase
During interphase the cell grows, normal functions, duplicates chromosomes
Phase where cell undergoes active division Mitotic Phase
22 pairs of chromosomes are called autosomes
chromosomes organized into homologous pairs karyotypes
Two rounds of cell division, resulting in four haploid cells meiosis
Created by: joshgiller