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Assignment 1
Human Physiology
Question | Answer |
---|---|
Which of the following is not true of carbohydrates? | They are a part of both DNA and RNA, They are the body’s primary source of energy, & They include substances commonly called sugars. |
Which lipid is part of vitamin D? | Steroids |
Which of the following is not true of RNA? | It is composed of smaller molecules called nucleotides, It contains adenine, & It contains ribose sugar. |
A structural lipid found in the cell membrane is a: | steroid & triglyceride. |
Which is not true about the sodium and potassium pump? | Sodium moves into the cell and potassium moves out of the cell. |
Extensive weight training causes the muscle cells to: | hypertrophy |
Materials can be moved from a low concentration to a high concentration through: | active transport. |
Which is true about the sodium and potassium pump? | Three sodium ions are taken out of the cell. |
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 |
Which of the following is not a characteristic of muscle tissue? | Cells are separated by a large quantity of extracellular matrix |
Basement membrane is composed of molecules made by _____ tissue. | epithelial & muscle |
Which cells electrically insulate axons to increase the speed of conduction? | Astrocytes & Oligodendrocytes |
A tissue is: | a group of similar cells that perform a common function. |
Which of the following is not a characteristic of connective tissue? | Typically holds its cells together tightly by means of desmosomes |
Which of the following is not a function of adipose tissue? | Defends the body from microbes and injurious substances |
Which of the following is not a proteoglycan found in the matrix of connective tissue? | Collagen |