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22 Cards in this Set
- Front
- Back
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Nuclear Pores
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Allow material to enter and leave nucleus
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How proteins are made
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DNA encodes the information
for protein sequences – so indirectly controls all cell activity. Proteins carry out the instructions contained in the DNA |
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What are ribosomes made out of?
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rRNA and proteins
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Where is the site of most of protein synthesis?
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Rough ER`
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Which organelle does lipid synthesis?
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Smooth ER
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What forms golgi?
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Lysosomes and vesicle form structures
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What has their own complement of DNA and internal ribosomes to make some proteins?
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mitochondria
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What has nine triplets of microtubules arranged in a ring?
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Centrioles
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Functions of Extracellular Matrix (ECM)
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Movement
Adhesion Regulation Support |
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The Skin
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Prevents dehydration, protects from injury, serves as defense against microorganisms, regulates body temperature, makes vitamin D, provides sensation
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Skin Germ Layers
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Ectoderm
Mesoderm Endoderm |
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Ectoderm
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Gives rise to the skin’s outer layer and to the nervous system’s tissues
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Mesoderm
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Source of muscles, bones, and most of the circulatory, reproductive, and urinary systems
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Endoderm
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Gives rise to linings of the digestive tract and organs derived from it
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Matrix
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is collagen and/or
elastin fibers in a polysaccharide ground substance |
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Functions of Bone (SPIES)
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a. Interact with muscle to enable
movement b. Support and anchor muscles c. Enclose and protect internal organs d. Store calcium and phosphorus e. Produce blood cells-in marrow |
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Three types of skeleton
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Hydrostatic
Exoskeleton Endoskeleton |
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Sinuses
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Air spaces – make the skull
lighter and provide a resonant chamber for our voice |
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Intervertebral Disks
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Cartilage with soft, gelatinous center – are elastic and compressible – protect the vertebrae from damage during movements and allow some flexibility to backbone
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Long Bone Structure
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Compact bone
Spongy bone – contains red marrow Central cavity - contains yellow marrow Periosteum – connective tissue covering |
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Meniscus
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cartilage disks that help reduce friction in joint
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Bursa
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Fluid-filled sac-reduces friction between moving body parts
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