What is the largest possible value that linkage disequilibrium can reach if all allele fre-quencies are 0.5?
a. 0.25
b. 0.5
c. 0.75
d. 1
e. None of the above
A
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Telomeres are found
a. in the middle of chromosomes. b. at replication origins. c. where DNA strands are joined together. d. within genes. e. at the ends of a chromosome.
When one neuron transmits an impulse to many neurons, this is known as ________.
Fill in the blank(s) with the appropriate word(s).
One way in which deforestation contributes to global climate change is that the conversion of forest to cropland or pasture ____.
A. decreases the amount of methane released by microbes B. increases the amount of nitrogen oxides in the air C. decreases the amount of sulfur dioxides in the air D. increases the rate at which carbon is taken up by plants E. decreases the rate at which carbon is taken up by plants
You are interested in Fuzzy, a soluble protein that functions within the ER lumen. Given that information, which of the following statements must be true?
(a) Fuzzy has a C-terminal signal sequence that binds to SRP. (b) Only one ribosome can be bound to the mRNA encoding Fuzzy during translation. (c) Fuzzy must contain a hydrophobic stop-transfer sequence. (d) Once the signal sequence from Fuzzy has been cleaved, the signal peptide will be ejected into the ER membrane and degraded.