Lecture Exam 1 (Chapters 1,2,&3)
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Created by:
jmorales2012 on December 4, 2011
Subjects:
Anatomy & Physiology (BIOL 2401)
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50 terms
Terms | Definitions |
|---|---|
 What does the formula C6H1206 mean? | There are 12 hydrogen, 6 carbon, and 6 oxygen atoms. |
| Carbohydrates and proteins are built up from their basic building blocks by the | Removal of a water molecule between each two units. |
| The study of the heart may incorporate many aspects of anatomy but as a whole you say it is _______ anatomy. | gross |
| Crenation is likely to occur in blood cells in _________. | a hypertonic solution. |
| Which of the following is not a factor that binds cells together? | Gylcolipids in the glycocalyx. |
| Which of these is not part of the dorsal cavity? | Thoracic cavity |
| Choose the anatomical topic and definition that is not correctly matched. | Cytology: study of the structures in a particular region. |
| Average body temperature is _____ degrees centigrade. | 37 |
| A phospholipid is usually ________________. | partially polar and partially nonpolar |
| What is the main, general purpose of negative feedback? | to maintain homeostasis |
| The parietal pleural would represent a serous membrane | lining the thoracic cavity |
| The electron microscope has revealed that one of the components within the cell consists of microtubules arranged to form a hollow tube. This structure is a _________. | centriole |
| Select the correct statement about isotopes. | Isotopes of the same element have the same atomic number but differ in the atomic masses. |
| Which body cavity protects the nervous system? | Dorsal |
| Place the following in correct sequence from simplest (smallest) to most complex (largest) 1) molecules 2) atoms 3) tissues 4) cells 5) organs | atoms molecules cells tissues organ (2,1,4,3,5) |
| In which cavities are the lungs located? | Pleural, ventral, and thoracic |
| The single most abundant chemical substance of the body, accounting for 60% to 80% of body weight, is _________. | water |
| Amino acids joining together to make a peptide is a good example of a _______ reaction. | synthesis |
| Which of the following does not describe the ATP molecule? | pigments |
| What is the ratio of fatty acids to glycerol in neutral fats? | 3:1 |
| A gene can best be defined as ______. | A segment of DNA that carries the instructions for one polypeptide chain. |
| Some hormones enter cells via ________. | Receptor-mediated endocytosis |
| The endomembrane system is __________. | An interactive system of organelles whose membranes are physically or functionally connected. |
| Atom X has 17 protons. How many electrons are in its valence shell? | 7 |
| Which of the following statements is correct regarding RNA? | Messenger RNA, transfer RNA, and ribosomal RNA play a role in protein sythesis |
| The plasma membrane is ________. | The phospholipid bilayer surrounding the cell. |
| If atom X has an atomic number of 74 it would have __________. | 74 protons and roughly the same number of neutrons. |
| Fibrous proteins ____________. | are very stable and insoluble in water. |
| If the nucleotide or base sequence of the DNA strand used as a template for messenger RNA synthesis is ACTGT, then the sequence of bases in the corresponding mRNA would be _______. | UGACA |
| The RNA responsible for bringing the amino acids to the "factory" site for protein formation is _______. | tRNA or RNA |
| The cavities housing the eyes are called _______ cavities. | orbital |
| Histology would be best defined as a study of | tissues. |
| The frontal plane is also called the ________ plane. | coronal. |
| Choose the answer that best describes fibrous proteins. | Are very stable and insoluble in water. |
| Two good examples of a colloid would be Jell-O and | cytosol |
| Lysosomes __________. | contain acid hydrolases that are potentially dangerous to the cell. |
| Once solid material is phagocytized and taken into a vacuole, which of the following statements best describes what happens? | A lysosome combines with the vacuole and digests the enclosed solid material |
| Enzymes called ______ destroy the cell's DNA and cytoskeleton, producing a quick death of the cell. | caspases |
| Which of the following organs or structures | Intestines |
| Which of the following constitutes a long chain of simple sugars? | Polysaccharide |
| If cells are placed in a hypertonic solution containing a solute to which the membrane is impermeable, what could happen? | the cells will lose water and shrink |
| What is the posterior side of the patella called? | popliteal |
| Select the most correct statement regarding nucleic acids. | DNA is a long, double-stranded molecule made up of A, T, G, and C bases. |
| A solution that has a pH of 2 could best be described as being | acidic |
| Which of the following is TRUE regarding the concentration of solutions? | molarity is one mole of solute per 1000 ml of solution |
| Riboswitches are folded RNAs that act as switches to turn protein synthesis on or off in response to ____________. | changes in the environment |
| The RNA responsible for bringing the amino acids to the "factory" site for protein formation is the | tRNA |
| A red blood cell placed in pure water would | swell and burst |
| Which of these is an inclusion, not an organelle? | Melanin |
| ___________ is the specific name for the hip region. | Coxal |
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