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Chapter 3
Exams
| Question | Answer |
|---|---|
| Digests worn-out or non usable cell structures | Lysosome |
| Captures energy to produce ATP | Mitochondria |
| Synthesizes membrane components | Rough ER |
| Uses oxygen to detoxify harmful substances | Peroxisomes |
| Increases surface area of plasma membrane for absorbtion | Microvilli |
| What is not true about the cell membrane | It allows water soluble molecules to pass through easily |
| Molecules in cell membrane that serve as receptors or binding sites for hormones or other chemical messengers and generally comprise most of the cell | Proteins |
| 3 major components of cytoplasm | Cytosol, organelles, and inclusions |
| Microvilli are apt to be found in cells that are specialized for | Absorbtion |
| Ribosomes are found | In the cytoplasm and on rough ER |
| Organelles that use molecular oxygen to convert and detoxify harmful substances such as alcohol and free toxins | Peroxisomes |
| The movement of fluid through the cell membrane from a high hydrostatic pressure area to a low hydrostatic pressure area (such as what takes place in capillaries) | Filtration |
| What is NOT active transport processes | Facilitated diffusion |
| Muscle found on the walls of hollow organs (stomach) and in the walls of blood vessels | Smooth muscle |
| Last step in process of tissue regeneration | Surface epithelium regenerates |
| Cell structure forms an internal framework inside the cell and is made of microtubules, intermediate filaments, and microfilaments | Cytoskeleton |
| A cell ingests bacteria, what type of transport is likely responsible for this process | Endocytosis |
| Cells propelled by a long tail, what cell structure must these cells have in order to be mobile | Flagella |
| Facilitated diffusion requires the use of | Protein channels or molecules |
| 2 types of endocytosis | Phagocytosis and Pinocytosis |
| A cell whose job is to detoxify harmful substances would have many | Peroxisomes |
| The order of the phases of the cell cycle | Interphase, Prophase, Metaphase, Anaphase, Telophase |
| Which type of tissue conducts electromechanical impulses | Nervous tissue |
| What is NOT connective tissue | Skeletal muscle |
| The tissue that is usually well vascularized and has an extensive extracellular matrix | Connective tissue |
| Epithelial tissue found in areas subject to considerable friction and abuse (esophagus) | Stratified squamous epithelium |
| Glands, such as the thyroid, that secrete their products directly into the blood rather than through ducts are | Endocrine glands |
| Network of nuclear threads composed of DNA and protein that condense to form chromosomes during mitosis | Chromatin |
| Whiplike cellular extensions that move substance along the cell surface are | Cilia |
| Non-polar tails of a phospholipid molecule that make the plasma membrane impermeable to water | Hydrophobic |
| Component of a solution that is present in the smaller amount and is dissolved | Solute |
| The nucleoplasm and cytosol make up what fluid | Intracellular fluid |
| Movement of substances through the cell membrane, against their concentration gradient is | Active transport |
| When tissue is damaged, the capillaries become very permeable to allow | Clotting proteins and other substances into the area |
| Random movement of molecules (and ions) down their concentration gradient is | Diffusion |
| Assembling proteins by decoding the information in RNA | Translation |
| Type of muscle that can be controlled voluntarily | Skeletal muscle |
| Type of cell found in nervous tissue | Neuron |
| Many layers of cube shaped cells could be termed | Stratified cuboidal epithelial tissue |
| Layer of epithelial cells that lie along the basement membrane | Basal layer |
| What is advantageous about chromatin form of DNA | Easier for ribosomes to attach and make RNA from chromatin |
| What determines a cells size and how many organelles it possesses | Function |
| Nuclear membrane has large pores to make it | more permeable than the plasma membrane |
| Which type of tissue covers, lines, and forms glandular tissue | Epithelial |
| Which type of tissue allows for organ movements in the body | Muscle |
| Which type of tissue supports body organs and has a large amount of non-living matrix | Connective |
| T or F: Are skeletal muscles voluntarily controlled | True |
| T or F: Cardiac muscles have intercalated discs | True |
| T or F: Smooth muscles change volume of an organ as it contracts | True |
| T or F: Tendons are made of connective tissue and connect muscle to bone | True |
Created by:
jmb81592