The letter "A" in the accompanying figure represents the ____
a. humerus
b. pectoral girdle
c. skull
d. sternum
e. pelvic girdle
ANSWER: e
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During translation, tRNAs bind to mRNA through ____
a. ionic bonds b. van der Waals forces c. nonpolar covalent bonds d. hydrogen bonds e. polar covalent bonds
When referring to membrane glycolipids and glycoproteins, what does the prefix "glyco-" indicate?
a. polar carbohydrate groups that are attached to the molecules b. nonpolar carbohydrate groups that are attached to the molecules c. the molecules that are attached to the membrane by ionic bonds d. the molecules that are attached to the membrane by covalent bonds
A cell is exposed to a substance that prevents it from dividing. The cell becomes larger and larger. This situation
A) should present no problem to the cell, since it can continue to perform all other necessary functions. B) should present no problem to the cell, because the surface area of the cell will increase as the volume of the cell increases. C) will eventually be problematic, since the cell's ability to absorb nutrients through its outer membrane will not increase as quickly as its cytoplasmic needs. D) should be beneficial, since the cell will be able to divert the ATP normally used for cell division to other processes.
Which of the following are properties of eukaryotes? (Select all that apply.)A) CompartmentalizationB) MulticellularityC) Peptidoglycan in cell wallD) Sexual reproduction
What will be an ideal response?