Pseudogenes tend to have lower average substitution rates than functional genes
Indicate whether the statement is true or false
FALSE
Explanation: Pseudogenes are nonfunctional and are therefore not subject to natural selection. Substitutions thus accumulate more rapidly than in functional genes.
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If a mutation rendered the signal recognition particle nonfunctional, what would be the most obvious effect on the cell?
A. Translation would not be completed for most proteins. B. All proteins normally secreted by the cell would remain partially formed and attached to the endoplasmic reticulum. C. Proteins destined for the nucleus would remain in the cytosol. D. No proteins would arrive at their proper destinations within the cell. E. All proteins normally secreted by the cell would remain in the cytosol.
In some species of birds, males with the brightest plumage have the fewest parasites
Indicate whether the statement is true or false
Carlos visited the desert for the first time and, as he was sweating a lot, bought some distilled water. This seemed to satisfy his thirst very well. Why is the distilled water not the best choice of beverage for Carlos?
What will be an ideal response?
The cardiovascular system is composed of the heart and the blood vessels.
Answer the following statement true (T) or false (F)