DNA ligase mediates the insertion of foreign DNA into a vector, but it will only be able to do so if the inserts and vector have matching sticky or blunt ends
Indicate whether the statement is true or false.
Answer: TRUE
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Light suppresses secretion of __________ by the
pineal gland in the brain. Fill in the blank(s) with the appropriate word(s).
The most common spacing is random dispersion Indicate whether the statement is true or false
All of the following statements about population distribution are true EXCEPT
A. population distribution is the pattern of dispersal of individuals across an area of interest. B. a population's distribution is calculated as the number of individuals per unit area. C. environmental conditions, such as climate and altitude, are often limiting factors of distribution. D. behavioral traits, such as territoriality, can affect the distribution pattern of a population.
How are extinctions related to biodiversity?
a. the earth's biodiversity is a result of the relationship between alpha and omega b. extinctions are less important to biodiversity because extinctions are negative d. extinctions can decrease standing diversity but not biodiversity c. extinctions always lead to a decrease in biodiversity because extinctions are negative e. both a and b explain the relationship between extinctions and biodiversity