To test Mendel's Law of Segregation, the experimenter needs a minimum of two contrasting forms of a gene
Indicate whether the statement is true or false
TRUE
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Economists have been comparing the monetary value of intact habitats with the value of using (destroying) those habitats (such as for logging or farming). They find
A. the immediate economic gain is worth it, such as in the shrimp farms in Thailand. B. the long-term problems are minimal, and usually economically minor, it is more of an aesthetic problem than a monetary one. C. the intact habitat is more valuable than the destroyed one in most cases studied. D. clearing the forest for agriculture, as in Cameroon, provides jobs, housing, and long-term economic benefits. E. increased invasion in intact habitats renders it worthless within a few years.
You are given two nucleic acids; one RNA and the other DNA. What are the main features to determine which is the DNA?
_____ DNA will have thymine instead of uracil in its nitrogenous bases. _____ DNA will have a double-stranded structure. _____ DNA will have ribose as the sugar in its backbone. _____ DNA will have uracil instead of thymine in its nitrogenous bases. _____ Adenine will be present in the DNA.
A subatomic particle that has one positive charge and is located in the nucleus is a neutron.
a. true b. false
Auxin is actively pumped into cells by _____ carriers and out of cells by _________ carriers.
Fill in the blank(s) with the appropriate word(s).