Which of the following phospholipid precursors is the most hydrophobic?
(a) triacylglycerol
(b) diacylglycerol
(c) phosphate
(d) glycerol
(a)
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Suppose that the first part of a new polypeptide chain being produced in a eukaryotic cell has a signal
peptide. Which of the following would you associate with the location of translation to form that polypeptide?
a. cytoplasm only b. first cytoplasm, then rough ER c. Golgi apparatus only d. first rough ER, then Golgi apparatus e. rough ER only
During which phase does transcription stop, and the DNA begin to appear grainy and start to condense?
a. interphase b. early prophase c. prophase d. anaphase e. early anaphase
If a cell lacks transcription factors, ________ will never be transcribed
Fill in the blank(s) with correct word
Which of the following is an example of horizontal gene transfer?
a. The endosymbiotic origin of mitochondria in eukaryotic cells from once free-living bacteria b. Formation of a hybrid zone among species of oaks c. Mating between humans and Neanderthals d. Mating among different breeds of dog e. Inheritance by a child of red hair from his father