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Final exam
| Question | Answer |
|---|---|
| Negative-feedback control systems: | Oppose a change. |
| If the secretion of oxytocin during childbirth operated as a negative-feedback control loop, what effect would it have on uterine contractions? | Oxytocin would inhibit uterine contractions. |
| The contraction of the uterus during the birth of a baby is an example of _____ feedback. | Positive |
| Sometimes referred to as animal starch, _____ is the main polysaccharide in the body. | glycogen |
| Which lipid is part of vitamin D? | Steroids |
| When two molecules of glucose are joined, they form which disaccharide? | Maltose |
| Which level of protein structure refers to the number, kind, and sequence of amino acids? | Quaternary |
| Which of the following is not one of the major groups of organic substances in the human body? | Salts |
| The formation of sucrose involves the removal of a molecule of water. This is called: | dehydration synthesis. |
| The roles played by proteins can be divided into which categories? | Structural and functional |
| The physical process by which water and solute move through a membrane when a hydrostatic pressure gradient exists across the membrane is the process of: | filtration |
| Materials can be moved from a low concentration to a high concentration through: | active transport. |
| The small water channels in the cell membrane are called: | aquaporins |
| All of the following are examples of passive transport except: | endocytosis |
| A DNA molecule is characterized by all of the following except: | ribose sugar. |
| Extensive weight training causes the muscle cells to: | hypertrophy |
| Phagocytosis is an example of: | endocytosis |
| An individual’s entire set of DNA can be referred to as a: | genome |
| Diffusion of particles through a membrane by means of a carrier molecule is called: | facilitated diffusion. |
| Which type of tissue has the greatest capacity to regenerate? | Epithelial |
| Which of the following is not a proteoglycan found in the matrix of connective tissue? | Collagen |
| In bone formation, the cells that produce the organic matrix are the: | osteoblasts |
| The primary ossification center of a long bone is located: | in the diaphysis. |
| The cells responsible for active erosion of bone minerals are called: | osteoclasts |
| Appositional growth of cartilage occurs when chondrocytes begin to divide and secrete | additional matrix. |
Created by:
swetaprasad
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