membranes that are located between the bone and the soft tissues of the
nervous system that protect the brain and spinal cord
synovial membrane
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covers surfaces within the joint capsule
organelles
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small, specialized structures in cells which operate like organs by carrying
out specific tasks
What are the characteristics of life?
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, Movement (internal or gross); Responsiveness (reaction to internal or
external change); Growth (increase in size without change in shape);
Reproduction (new organisms or new cells); Respiration (use of oxygen;
removal of CO2); Digestion (breakdown of food); Absorption (movement
of substances through membranes and into fluids); Circulation (movement
within body fluids); Assimilation (changing nutrients into chemically
different forms); Excretion (removal of metabolic wastes)
What are the differences between DNA and RNA?
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RNA (ribonucleic acid) functions in protein synthesis; DNA
(deoxyribonucleic acid) stores the molecular code in genes.
nucleolus
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The site of ribosome production; composed of RNA and protein
What happens when an enzyme substrate complex is formed?
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, When the enzyme and substrate are joined, the catalytic action of the
enzyme converts the substrate to the product (or products) of the
reaction.
Spongy bone?
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Lighter section of the bone often filled with red bone marrow. This is what
epiphyses are composed of.
What are proteins?
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Provide structure; energy sources; chemical messengers
Play vital role in metabolism
bonded amino acids held together with peptide bonds
What role do the convolutions play in the brain?
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Increase the surface area of the brain
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