The structural genes in the lac operon are transcribed into a single polycistronic mRNA molecule

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

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In which of the following do the lightdependent

reactions of photosynthesis take place?

a. thylakoid membranes b. stroma c. the outermost membrane d. between the outermost and innermost membranes e. a combination of more than one of these

Biology & Microbiology

The bones in the forelimbs of a mammal ____

a. can often be traced to a common ancestor b. offer no evidence to support the theory of evolution c. perform the same function no matter which species they are in d. may exhibit either analogy or homology but not both when compared to the forelimb of another animal e. show convergence with some invertebrate structures

Biology & Microbiology

In the experiment with Peacock butterflies, the

working hypothesis is that a. mimicry confuses both predator and prey. b. mimicry conveys a selective advantage to the prey. c. birds are capable of learning. d. birds are agents of evolution. e. unpalatable species display distinctive wings.

Biology & Microbiology

Tay-Sachs disease is a genetic disorder in which fat deposits build up in nerve cells of the brain, leading to a slow loss of function. Because this disease usually strikes children under 1 year of age, the symptoms are not immediately apparent

Think about the symptoms that this condition would cause. List some that you think are possible. What would be the inevitable end result as the disease progresses?

Biology & Microbiology