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Define Biology
The study of life
What part of the visible spectrum does chlorophyll absorb the most?
Violet blue and orange red
What part of the cell surrounds organelles and provides structure?
Cytoplasm
What are the reactants of cellular respiration?
Glucose and oxygen
Which substance has a pH of 3
Acidic
What element must have a molecule to be organic?
Carbon
What is the control group in an experiment?
The group without treatment
Theories can be _____
revised
True or false: Plant and bacteria have cell walls
True
Which gas is required for cellular respiration?
Oxygen
What did matthias schleiden conclude about plants?
they are composed of cells
Which transport moves molecules with a carrier protein?
Facilitated diffusion
What 3 letters do enzymes typically end in?
-ase
What are the reactants of photosynthesis?
sun, water, carbon dioxide
What is a covalent bond?
Sharing electrons
Why is water considered polar
Hydrogen is slightly positive, oxygen is slightly negative
How do enzymes affect reactions?
They lower activation energy
What property of the plasma membrane allows selective transport?
Permeability
What is the primary function of lysosomes in a eukaryotic cell?
Breakdown of waste materials and cellular debris
What property of water causes the meniscus in a graduated cylinder?
Adhesion
What unit is equal to 100 millileters?
1 DL
What is the function of chloroplasts?
Photosynthesis
What transport requires energy?
Active transport
What is a solution?
A mixture in which substances are evenly distributed throughout
What is the main component of the plasma membrane?
Phospholipid
Which organelle regulates molecule entry and exit in the cell?
Cellular membrane
What conclusion can be made if a cell has a nucleus and membrane bound organelles?
The cell is eukaryotic
What type of macromolecules are enzymes
Proteins
What is the primary purpose of photosynthesis
Convert solar energy into chemical energy
What are monomers of proteins?
Amino acids
Which type of cells lacks a membrane - enclosed nucleus?
Prokaryotic
Which subatomic particles make up atoms?
Protons, neutrons, electrons
Which organelle is the powerhouse of the cell?
Mitochondria
Animal cells have ____
Centrioles and no cell walls
Which process occurs when lactic acid is produced in muscles?
Anaerobic respiration
Why do leaves change colors in the fall?
Temperate drops to stop chlorophyll production
What structure contains the cells DNA?
Nucleus
Note 
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