Bio 103 Midterm Exam: Cell Structure, Skeletal System, and Muscle Function, Exams of Biology

A midterm exam for bio 103, focusing on fundamental concepts in biology. It covers the basic building blocks of life, cell structures, and their specific functions. Key topics include organelles, cellular processes like diffusion and osmosis, energy production, and cell specialization. The exam also tests knowledge of the skeletal system, bone structure, and muscle function, providing a comprehensive review of essential biological concepts. This resource is valuable for students preparing for biology exams or seeking to reinforce their understanding of core biological principles. It includes questions and correct answers, making it an effective study aid. It also covers bone fractures and bone repair.

Typology: Exams

2024/2025

Available from 07/22/2025

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Bio 103 Midterm Exam Already Graded A+
The basic building block of life - correct answer Cell
Structures within cells that carry out specific functions - correct answer Organelles
Contains substances the cell produces and secretes them at the plasma membrane - correct answer
Vesicle
Processes proteins and other molecules and directs them to where they need to go - correct answer
Golgi complex
Has enzymes that degrade bacteria, old organelles, and other unwanted substances - correct answer
Lysosome
Often called the "powerhouse" of the cell - correct answer mitochondrion
Often called the "brain" or "control center" of the cell. - correct answer Nucleus
Transports materials, and is the site of attachment for ribosomes, structures involved in building chains
of amino acids - correct answer endoplasmic reticulum
the protein that moves water through the cell membrane - correct answer aquaporin
molecular form of energy - correct answer ATP
molecules moving from an area of high concentration to an area of low concentration - correct answer
simple diffusion
molecules are transported by a particular carrier protein - correct answer facilitated diffusion
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Bio 103 Midterm Exam Already Graded A+

The basic building block of life - correct answer Cell Structures within cells that carry out specific functions - correct answer Organelles Contains substances the cell produces and secretes them at the plasma membrane - correct answer Vesicle Processes proteins and other molecules and directs them to where they need to go - correct answer Golgi complex Has enzymes that degrade bacteria, old organelles, and other unwanted substances - correct answer Lysosome Often called the "powerhouse" of the cell - correct answer mitochondrion Often called the "brain" or "control center" of the cell. - correct answer Nucleus Transports materials, and is the site of attachment for ribosomes, structures involved in building chains of amino acids - correct answer endoplasmic reticulum the protein that moves water through the cell membrane - correct answer aquaporin molecular form of energy - correct answer ATP molecules moving from an area of high concentration to an area of low concentration - correct answer simple diffusion molecules are transported by a particular carrier protein - correct answer facilitated diffusion

ATP energy is required to change a protein into a channel that molecules can pass through - correct answer active transport the membrane of a cell folding inward around a material, taking it into the cell within a vacuole - correct answer endocytosis The membrane of a cell folding inward around a solid - correct answer phagocytosis Vacuoles fusing with the cell membrane and releasing materials outside the cell - correct answer exocytosis receive hormones and trigger chemical changes within the cell - correct answer receptor proteins Allow the immune system to recognize the body's cells and detect foreign cells - correct answer marker proteins control the movement of substances through the cell membrane - correct answer transport proteins Cell with adequate organelles and nutrients to support rapid mitosis - correct answer egg cell Cell with a small head, containing DNA, and a whip-like tail - correct answer Sperm Long tube-like cells with myofibrils, which contract and relax - correct answer skeletal muscle cells Cell with numerous hair-like dendrites and a long axon to connect cells together for intricate communication - correct answer Neuron Cells that can swell in size to store additional fat - correct answer fat cell Cells in the human body which lack nuclei - correct answer red blood cells

Bone building cells - correct answer osetoblasts Cells that break down bone - correct answer Osteoclasts Osteoblasts embedded in bone which maintain bone density - correct answer Osteocytes Bone broken, but still in place - correct answer simple fracture Bone out of place - correct answer compound fracture Steps of bone repair - correct answer Blood clot, Callus, Spongy bone replaces callus, compact bone replaces spongy disease of the joints - correct answer arthritis Inflammation of joints - correct answer rheumatoid arthritis Loss of cartillage at joints - correct answer osteoarthritis How to increace bone density - correct answer repeated force How to keep muscle mass over time - correct answer excersise Why the skull's joints are different than the rest of the body's. - correct answer They are fixed joints- unmoveable Versitle, lubricated joints that allow movement - correct answer synovial joint

muscle just below the skin - correct answer superficial muscle muscle below superficial muscle - correct answer deep muscle