In marine mammals, lipids are typically deposited as a layer of fat just below the skin, referred to as ________
Fill in the blank(s) with correct word
blubber
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Answer the following statements true (T) or false (F)
1. Homologous chromosomes are identical copies of each other. 2. Mitotic cell division is never used by organisms as a means of reproduction. 3. A diploid queen honeybee produce eggs by meiosis. Some of these eggs are never fertilized, while the rest are. These unfertilized eggs develop into haploid male honeybee. This can be an example of sexual reproduction. 4. For any given species, cells in metaphase II of meiosis would contain 2X more genetic material than cells in metaphase of mitosis. 5. The karyotype of a normal human male would show a total of 23 pairs of homologous chromosomes.
Researchers studying olfactory and taste receptors have stumbled upon an unusual phenomenon. These receptor proteins are sometimes expressed in other animal tissues in addition to the nose or tongue. For example, the sweet taste receptor T1R2 is expressed in the pancreas. Suggest the best possible explanation for these findings.
A. Damaged receptors are recycled by the body and end up in waste-disposal organs. B. Control of protein expression is imperfect. As long as a receptor doesn't interfere with organ function, expression will not be selected against. C. Chemoreceptors bind molecules that help the body sense and respond to internal phenomena, such as sugar levels in the blood. D. Techniques used to visualize protein expression are imperfect and may lead to false positive results. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about taste receptors? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Blood pressure is usually estimated from indirect measurements of the pressure in what structure?
A) left ventricle B) aorta C) femoral artery D) brachial artery E) radial artery
The water potential of a flaccid cell you are studying is ?1.5. What is its solute potential?
A. 0.5 B. ?0.5 C. ?1.5 D. 1 E. 1.5