| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.09 |
| Score | 0% | 62% |
In the food chain, omnivores may be which of the following?
primary or tertiary consumers |
|
secondary or tertiary consumers |
|
primary or secondary consumers |
|
secondary consumers or scavengers |
Secondary or tertiary consumers may be omnivores.
In the pancreas, lipase converts fat to:
simple sugars |
|
amino acids |
|
glycerol and fatty acids |
|
complex carbohydrates |
The acids produced by the pancreas contain several enzymes that aid in digestion. Lipase converts fat to glycerol and fatty acids. Pancreatic amylase breaks down complex carbohydrates into simple sugars. Trypsin converts polypeptides (the building blocks of protein) into amino acids.
In the classification of life, which of the following is not a kingdom?
bacteria |
|
fungi |
|
animals |
|
plants |
Below domain, life is classified into six kingdoms: plants, animals, archaebacteria, eubacteria, and fungi. The last kingdom, protists, include all microscopic organisms that are not bacteria, animals, plants or fungi. (Archaebacteria and eubacteria are sometimes combined into a single kingdom, monera.)
What is the body's largest artery?
arteriole |
|
capillary |
|
aorta |
|
vena cava |
The aorta is the body's largest artery and receives blood from the pulmonary vein via the left ventricle. From there, blood is circulated through the rest of the body through smaller arteries called arterioles that branch out from the heart. Finally, blood is delivered to bodily tissues through capillaries.
In fermentation, what replaces oxygen in anaerobic respiration?
ascorbic acid or peptides |
|
starches |
|
lactic acid or alcohol |
|
water |
If no oxygen is present, cellular respiration is anaerobic and will result in fermentation where either lactic acid or alcohol is used instead of oxygen.