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Grenisha Howard
Physiology Weeks 1-6
| Question | Answer |
|---|---|
| Intrinsic Control: | is sometimes called autoregulation. |
| A structural lipid found in the cell membrane is a: | phospholipid and steroid. |
| The amino group in an amino acid is: | NH3+. |
| As the activity of osteoblast increases, the: | amount of calcium in bone increases and level of calcium in the blood decreases. |
| During which phase of the twitch contraction is there a triggering of the release of calcium ions into the sarcoplasm? | Latent period. |
| Thick myofilaments extend the length of the: | A-band. |
| Effectors can be described as | organs that directly influence controlled physiological variables. |
| Positive-feedback control systems: | accelerate a change. |
| Homeostasis can best be described as: | a state of relative constancy. |
| Negative-feedback control systems: | oppose a change. |
| True or False: Carbohydrates include substances commonly called sugars, are the body's primary source of energy, are part of both DNA and RNA. | True. |
| Unsaturated fats: | will kink or bend because of the double bonds between the carbon atoms. |
| The term glycoprotein, a combination of two words, tells you that a compound is made of ___, with ___ being the dominant component. | carbohydrate and protein; protein. |
| True or False: The triglyceride is composed of a glycerol molecule and three of the same type of fatty acid. | False. |
| True or False: Chaperone proteins assist in the proper folding of other proteins so they can have the correct functional shape. | True. |
| True or False: RNA and DNA have the same pyrimidine bases but different purine bases. | False. |
| True or False: Two haploid gametes is not a characteristic of meiosis. | True. |
| Diffusion moves | down a concentration gradient. |
| The hypodermis: | connects the dermis to underlying tissues. |
| True or False: A characteristic of epithelial tissue is important in communication and control. | False. |
| The papillary layer of the dermis: | produces the ridges that make fingerprints. |
| True or False: Communication is a function of connective tissue. | False. |
| The axial skeletal structure: | supports and protects organs, also it provides framework for muscles that anchor and stabilize the appendicular bones. |
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Grenisha
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