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SCI220 - Set 1
Material Weeks 1-5
| Question | Answer |
|---|---|
| The _____ is characterized by folded membranes called cristae. | mitochondria |
| What plane divides the body into front and back portions? | coronal |
| The body is subdivided into two major divisions: | axial and appendicular |
| The ____ cavity encloses the brain and spinal cord forms one continuous cavity. | Dorsal |
| T or F: The abdominopelvic cavity consists of the abdominal and thoracic cavity. | False |
| Hydrolysis breaks down compounds by _____ a water molecule. | Removing |
| As concentration of the hydrogen ion decreases, the pH goes _______, and the solution becomes more ______. | up; alkaline |
| When sodium loses an electron it becomes a ____ ion. | positive |
| The elements carbon, hydrogen, oxygen, and nitrogen make up which percentage of the human body? | 96% |
| Electrolytes include compounds like | acids, bases, and salts |
| Polar molecules result from | unequal charge distribution on a molecule |
| The octet rule refers to | the tendency of atoms to gain, lose, or share electrons to achieve 8 electrons in the outermost shell |
| T or F: An element can be broken down or decomposed into 2+ different substances | True |
| The _____ is the site of protein synthesis for proteins that are secreted by the cell. | Rough endoplasmic reticulum |
| The lysosome is a sac of powerful digestive enzymes called? | acid hydrolases |
| How are phospholipids of the plasma membrane arranged? | As a bilayer with nonpolar tails between polar heads. |
| T or F: The integral proteins in the plasma membrane are more abundant in volume than membrane phospholipids. | False |
| ______ contain oxidase and catalase enzymes. | Peroxisome |
| Fibrocartilage is | the strongest and most durable |
| What type of cells line the kidney tubules? | simple cuboidal epithelium |
| Two major categories of body membranes: | epithelial and connective |
| T or F: Stratified squamos (keratinized) epithelial cells make up the dermis layer. | False |
| What is the most superficial layer of the epidermis? | Stratum Corneum |
| The extracellular matrix is | the fluid environment that fills the spaces between cells |
| The four major tissue types are | epithelial, connective, muscle, and nervous |
| T or F: Tarsals, femur, and clavicle are found in the appendicular skeleton | True |
| Anteriorly, each rib of the first seven pairs attaches to the | sternum |
| ____ bone is characterized by open spaces partially filled by an assemblage of needle-like structures | Spongy |
| Types of bone include | short, long, flat, irregular |
| What bones compose the wrist? | Carpals |
| Five regions of the vertebral column: | cervical, thoracic, lumbar, sacral, coccyx |
| ____ are unique to the fetal skull and provide additional space for molding the head shape as the baby passes through the birth canal? | fontanels |
Created by:
laureana
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