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how many cells does a Unicellular organism have?
One cell
What is the basic unit of matter?
Atoms
What is pH
pH is the measure of H+ ion concentration in a solution
What does Macro mean?
Large
Sugars end in-
Ose
Maintaining the proper body temperature is an example of-
Homeostasis
What are the 3 subatomic particles?
Proton, neutron, electron
What has equal H+ and OH-
Water
Why is Carbon a special atom?
It can make 4 bone
What does dehydration and synthesis mean
Dehydration = water removal
Synthesis = to make
List the 7 Characteristics of life
Made of cells, Metabolism, Homeostasis, Reproduction, Growth and Development, Respond to environment, Evolution
What does the atomic number and atomic mass mean?
Atomic number = # of protons
Atomic mass = # of protons + # of neutrons
Does an acid or a base have higher H+ ion concentration?
Acid
What are the 4 Biological Macromolecules?
Carbohydrates, Lipids, Proteins, Nucleic Acids.
What is a disaccharide
two sugar molecules bonded together
What are changes in genetic material called?
Mutation
How many electrons are held in the first layer and how many in the second layer?
1st layer=2
2nd layer=8
What does H+ and OH- form?
Water
Sugars, Amino Acids, and Nucleotides are all examples of-
Monomers
What is the use of Glycogen
animals can store carbohydrate in the form of glycogen for later use
What do cells do to achieve multicellular organism with highly specialized tissues, organs, and organ systems, and what is this process called?
Cells divide, growth and development
What is a covalent bond?
When atoms share electrons
How does the body maintain a relatively constant pH?
Buffers
fats and waxes; regulates what goes in and out of cells, communication between cells, and long term energy storage are all examples of-
Lipids
how do you break down the 4 organic macromolecules, and what is it called?
With water, this process is called hydrolysis