Which term refers to the voltage across a membrane?
a. membrane electrochemical gradient
b. membrane potential
c. membrane chemical gradient
d. membrane turgor pressure
Ans: b. membrane potential
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The upstream activator sequences (UASs) of yeast are analogous to ______________ in higher eukaryotes
A. promoters B. TATA boxes C. operators D. enhancers
A typical sponge is ____ because it produces ____
a. a hermaphrodite; only egg cells b. parthenogenetic; both egg and sperm cells c. a hermaphrodite; both egg and sperm cells d. parthenogenetic; only egg cells e. a hermaphrodite; only sperm cells
Advancements in many fields of biology, agriculture, conservation, and medicine benefit from DNA technology because
A. researchers have gained understanding of how the DNA structure relates to many traits and diseases. B. the genes among sometimes diverse organisms can produce favorable traits when transferred from one to another. C. even DNA replication and cell divisions can produce point mutations and gene abnormalities affecting traits of interest. D. All of the answer choices are correct. E. each organism, especially among the eukaryotes, inherits a mix of variable genetic information from previous generations.
If a cell was to stop dividing, it would stop in the __________ part of the cell cycle. What will be an ideal response?