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Terms in this set (42)
Living things have levels of heirarchal organization
Organs are composed of tissues, which are composed of cells. This is an example of which characteristic of life?
-requires materials and energy
-Adapt to environment
- maintain its internal environment
-Ability to reproduce and develop
- able to respond to its environment
Six characteristics generally shared by all life
Which level of biological organization is composed of several tissues?
Cell-tissue-organ-organ system- organism
Complete order from cell to organism
Life responds to its environment
A plant grows toward source of light is an example of
Life is organized
Cells form tissues, which form organs, which organs work to form other systems is an example of
Life maintains an internal environment
Feedback systems maintain blood sugar levels is an example of
Life can adapt to environment
Ducks, hawks, and other birds have hollow bones is an example of
Life requires materials and energy
Humans eat food, which is broken down in the system for nutrients is an example of
Which of the subatomic particles will be found orbiting the nucleus of the atom?
The term metabolism refers to all chemical reactions that occur in a cell
Adenine base, ribose sugar, 3 phosphate groups
Electrons are GIVEN to another album
What happens during an ionic bond?
Allows water to cling together and accounts for the surface tension of water.
Allows water to cling to surfaces, such as internal transport vessels.
One or more shared pairs of electrons
non polar covalent bond
Sharing of electrons between atoms is equal
Atoms of single element that differ in number of neutrons
Monosaccharides include _____ sugars and _____ sugars.
Has four ring structure that may be used to form hormones.
When a polypeptide bends and twists into a 3D shape
Nuclei acids are polymers of _______.
Polar covalent bond
An unequal sharing of electrons is a characteristic of a ____________________________.
A peptide bond
Formed by the link of two amino acids.
Number of protons in an atom
The atomic number tells you the
A ______ reaction joins the amino acids together forming a covalent bond.
When two or more amino acids are bonded together, a ______ is formed
When a chain of amino acids are bonded together a ___________ Is formed
Glycogen is a pilsaccharide. True or false
Maltose is classified as a ____________.
___________ is a polysaccharide that is found in plant cell walls and accounts for their strength.
Enzymes are organic compounds classified as _____.
Least complex to most complex levels of biological organization
Protons and neutrons
The nucleus of an atom contains ______ & _______.
The smallest structural unit in a multicellular organism
Number of protons and neutrons
The atomic mass of an element is determined by ?
Protons, atomic mass
Isotopes of a given element have the same number of ________ but differ in ____________.
Protons and neutrons
The nucleus of an atom contains
Weak forces that hold water molecules together are called
When we get sick our body begins to fight the illness.
Example of maintaining internal environment
A flower opening to sunlight and further helping it grow in the photosynthesis process
Example of responding to environment
Chameleons can camouflage themselves to either catch prey or hide from predators.
Example of adapting to environment
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