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Nucleic acid
Allows organisms to transfer genetic information info Fomites one generation to the next
Which class of biomolecules may influence the rate of specific chemical reactions w/ living cells ?
Proteins
(2) types of nucleic acids
• DNA 2. RNA
Protein
Enzyme catalyst Used to transport molecules Store molecules
Lipids
Storage Structural components of cell membranes
Carbohydrates
Supply energy for body processes Fat oxidation
Which of the following is the form of energy contained in. Turing molecules and in ATP’s high-energy bonds?
Potential energy
Mechanical energy
Sum of potential energy & kinetic energy Energy associated w/movement & position of object
Potential energy
“Stored energy “ Energy waiting to be used NOT moving, with ability to do work when released
Kinetic energy
Energy in “MOTION”
Radiation energy
Energy of electromagnetic waves
Which of the following best explains the maintenance of a nearly constant avg temp. Of the structure of the earth?
The amounts of solar energy absorbs radiant energy , emitted by the earth existic in equilibrium
Drugs that STOPS the function of enzyme DNA polymerase would
Block replication of DNA carrying genetic code in the nucleus
Which of the following describes the function of ribosomes in living cells ?
Use of genetic information to build specific protein in molecules
Ribosomes
Site of translation of the genetic code of DNA and RNA into the amino acid code of protein • protein synthesis • assemble (20) amino acids molecules to for, particular protein molecule
Which of the following organ systems is responsible for transporting nutrients, waste, and other substance tnroughout the human body ?
Circulatory system
Respiratory system
Tubes used to carry air to lungs Gas exchange takes place
Immune system
Protect against disease by identifying pathogens * protects body against infectious agents using WBC & antibodies
Nervous system
Controls all systems
Circulatory
Transports materials , nutrients to cells *waste from cells
Primary function of the cells lining trachea and bronchi is to ?
Secrete mucous Propel trapped debris toward the pharynx
Function of cell membrane
Surround cytoplasm * separate intracellular components from extra cellular environment
Histamine
Major factor in inflammatory response system Neurotransmitter MAny allergic reactions are due to abrupt histamine
Digestive system
Facilitates absorption of substances into the bloodstream