Why does buoyant force act upward on an object submerged in a fluid
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the buoyant force on an object submerged in a fluid is caused by the pressure difference between the top and bottom of the object . the larger pressure at greater depth pushes upward on the object
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Cotton-topped tamarins are small primates with tufts of long white hair on their heads. While studying these creatures, you notice that males with longer hair get more opportunities to mate and father more offspring. To test the hypothesis that having longer hair is adaptive in these males, you should _____.
A) test whether other traits in these males are also adaptive B) look for evidence of hair in ancestors of tamarins C) determine if hair length is heritable D) test whether males with shaved heads are still able to mate
Repair enzymes _____
a. repair only mutations that occur in mitochondrial DNA b. repair only mutations that arise during replication c. repair only DNA mismatch mutations d. can only repair mutations that occur prior to replication e. can only repair mutations that occur after replication
Explain how a slightly deleterious allele that should be eliminated by weak negative selection might actually increase in frequency in a population
What will be an ideal response?
What number are the Ribosomes?
What will be an ideal response?