Term
4.10 Double bond-containing fatty acyl groups of membrane lipids:
1) are formed from omega fatty acids
2) make the membrane more fluid at a given temperature
3) are formed from unsaturated fatty acids
4) may be formed from an essential fatty acid
5) all of the above |
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Definition
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Term
4.11 Mechanochemical enzymes convert:
1) chemical energy into kinetic energy
2) starch into glucose
3) microtubules into microfilaments
4) water and carbon dioxide into carbohydrate and oxygen
5) genes into chromosomes |
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Definition
| chemical energy into kinetic energy |
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Term
4.15 Cells recycle components of the plasma membrane through the processes of:
1) endocytosis and exocytosis
2) respiration and photosynthesis
3) Laurel and Hardy
4) reduction and oxidation
5) forming omega 3 and omega 6 fatty acids |
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Definition
| endocytosis and exocytosis |
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Term
5.3 Black tongue disease is an animal model for:
1) scurvy
2) beriberi
3) pellagra
4) rickets
5) visual problems |
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Definition
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Term
5.4 Beriberi is a disease caused by:
1) The bacterium Bacillus beriberis
2) A deficiency of thiamin, vitamin B1
3) Too much ignose and not enough godnose
4) A toxin in the endosperm of rice
5) A deficiency of vitamin A |
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Definition
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Term
5.8 Vitamin A is important for
1) hearing
2) seeing
3) smelling
4) feeling
5) tasting |
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Definition
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Term
5. 12 Which of the following diseases is known to cause the four D’s (dermatitis,
diarrhea, dementia, and untimely death)?
1) scurvy
2) beriberi
3) pellagra
4) rickets
5) diabetes |
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Definition
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Term
6.5 By staining leaves with iodine, Sachs showed that _________is produced by
photosynthesis in the light.
1) starch
2) lipid
3) protein
4) salt
5) all of the above |
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Definition
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Term
6.10 Rubisco
1) is the most abundant protein
2) is very slow
3) binds carbon dioxide to make carbohydrate
4) is inhibited by oxygen
5) all of the above |
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Definition
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Term
6.11. Artificial photosynthesis is
1) performed by artificial plants.
2) another name for respiration.
3) a way of decreasing our dependence on oil.
4) takes place in the dark.
5) is a method to clean clothes using the sunlight. |
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Definition
| a way of decreasing our dependence on oil. |
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Term
6.12. Experiments performed on plants that were photosynthesizing in the presence of
either carbon dioxide labeled with heavy oxygen or water labeled with heavy oxygen
showed:
1) the oxygen produced by photosynthesis comes from the splitting of carbon dioxide.
2) the oxygen produced by photosynthesis comes from the splitting of water.
3) 50% of the oxygen produced by photosynthesis comes from the splitting of carbon
dioxide and 50% comes from the splitting of water.
4) 66.6% of the oxygen produced by photosynthesis comes from the splitting of carbon
dioxide and 33.3% comes from the splitting of water. |
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Definition
| the oxygen produced by photosynthesis comes from the splitting of water. |
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Term
6.13. Food coloring and the first products of photosynthesis can be separated using:
1) a diffraction grating.
2) a prism.
3) iodide staining.
4) photography.
5) paper chromatography. |
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Definition
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Term
7.2 Thankfully the epiglottis is typically in the up position so that:
1) Food travels from the stomach to the small intestine
2) Air typically travels from the nose to the lungs
3) Blood travels from the liver to the heart
4) Blood travels from the heart to the liver
5) None of the above |
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Definition
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Term
7.3 Since food enclosed in metal tubes with cloth lids is partially digested when they go
through the digestive track:
1) Digestion is, in part, a chemical process
2) Digestion is only a chemical process
3) Digestion is only a mechanical process
4) Digestion is a vital process |
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Definition
| Digestion is, in part, a chemical process |
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Term
7.4 Gastric juice contains______________.
1) hydrochloric acid
2) pepsin
3) mucus
4) all of the above
5) lipase |
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Definition
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Term
7.5 A valve in the skin that leads to the inside of the stomach is called a___________.
1) vivisection
2) dissection
3) fistula
4) duodenum
5) villus |
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Definition
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Term
7.7 The fact that meat was digested by gastric juice, but not by acid alone lead to the idea
that
1) The stomach contained a protease.
2) The stomach contained a lipase.
3) The stomach contained an amylase.
4) The stomach contained mucus.
5) All of the above |
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Definition
| The stomach contained a protease. |
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Term
7.8 Pepsinogen is secreted in the_____________.
1) mouth
2) stomach
3) small intestine
4) large intestine
5) pancreas |
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Definition
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Term
7.9 Stomach acid is secreted by______________.
1) chief cells
2) parietal Cells
3) mucosal Cells
4) capillary cells
5) cells of the salivary glands |
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Definition
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