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Audrey Skiffer
Anatomy Midterm weeks 1-5
| Question | Answer |
|---|---|
| For sodium to transform from a neutral atom to a positive ion it must | lose an electron |
| Acids release | Hydrogen ions |
| The reaction between Hydrogen and oxygen needed to form water is an example of a | synthesis reaction |
| The type of chemical reaction most likely to require energy is a | synthesis reaction |
| The water molecule has 2 distinct ends, each with a partial electrical charge. Because of this structure, water is side to be | polar |
| An atom can be described as chemically inert if it’s outermost electron shell contains | 8 electrons |
| The most abundant element essential to life is | carbon |
| The elements carbon, hydrogen, oxygen and nitrogen make up | 96% of the human body |
| As the concentration of hydrogen ions increases the pH goes _____, and the solution becomes more _____ | down, acidic |
| Which of the following is not a subatomic particle: proton, electron, radon, neutron | radon |
| Hydrolysis _____ a water molecule | breaks wound compounds by adding |
| The type of reaction in which substances are combined to form more complex substances is called a | synthesis reaction |
| Carbon has an atomic number of 6, The number of electrons found in the first shell is | 2 |
| Acids | are proton donors, taste sour, release hydrogen ions in the aqueous solution |
| What percent of the female body weight is water | 70 |
| In the presence of a base, litmus paper will turn | blue |
| The formation of sucrose involves the removal of a molecule of water. This is called | dehydration synthesis |
| The atomic number of carbon is 6. How many UNPAIRED electrons are in its outer shell | 4 |
| Substances that accept hydrogen ions are called | bases |
| In the matrix of the plasma membrane, a variety of proteins are embedded. Some of these proteins serve as passageways for sodium ions or glucose. These proteins are called | transport proteins |
| A spherical membrane-bound structure that contains the genetic material of thee cell and is often referred to as the “command center” of the cell is the | nucleus |
| Ribosomes are organelles that | float in the cytoplasm and attach to the endoplasmic reticulum |
| This organelle primarily modifies products from the rough ER, and it resembles a stack of hollow saucers, one cupped inside the next | Golgi apparatus |
| Which is not a cytoskeleton: centriole, microtubule, intermediate filament, microfilament | centriole |
| The plasma membrane is composed of all of the following except; phospholipids, cholesterol, glycoproteins, tubulin protein | tubulin protein |
| The membranous organelle contains oxidase and catalase enzymes | peroxisome |
| which of the following statements about integral proteins in the plasma membrane is false | They are more abundant by volume than the membrane phospholipid |
| Which of the following is a type of cell extension that lines the intestines and other areas of the body | Microvilli |
| Which of the following is not true of the rough endoplasmic reticulum (it is made of broad flattened sacs, it has many ribosomes attached) | It makes lipids and carbohydrates |
| The inner membrane of what double-membrane structure is. Contorted into folds called cristae? | Mitochondrion |
| Tiny indentations of the plasma membrane that membrane that resemble caves are called | caveolae |
| Lysosomes perform autophagy. This means that they: | break down proteins and cytoplasm that are not needed by “self eating” |
| Which of the following does not describe a structure of function of proteasome? | Breaking down abnormal and misfolded proteins realeased from the ER, looks like a hollow cylindrical drum made of protein subunits, requires the small protein called ubiquitin to pull proteins in |
| What cell fiber serves as part of our cellular muscles | microfilament |
| In the cell membrane, the hydrophilic part of the phospholipid molecule | faces the exterior and the interior of the cell |
| Skin cells (epithelial) are held tightly together by | desmosomes |
| The structure that separates the contents of a cell from the surrounding tissue known as | Plasma membrane |
| The conducting unit of the nerve tissue is the | neuron |
| The skin glands include 3 kinds of microscopic glands | sweat, sebaceous, ceruminous |
| The fluid environment that fills the spaces between that fills the spaces between the cells of the body is called | extra cellular matrix |
| The vertebral bones that support the small of the back | lumbar vertebrae |
| Which of the following is a bone in the axial skeleton: vertebra, tarsal, femur, clavicle | vertebra |
Created by:
Audrey S