Generalized defense responses in organs distant from the infection site are called _____
A) hyperactive responses
B) systemic acquired resistance
C) pleiotropy
D) hyperplasia
B
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Answer the following statements true (T) or false (F)
1. Translation is a relatively slow process. 2. tRNA contains the genetic code for producing a polypeptide. 3. More than one codon can specify the same amino acid. 4. The termination of translation occurs when a release factor recognizes the stop codon.
A group of organisms of the same species that live together in the same place make up a(n) ____
a. cell b. ecosystem c. tissue d. population e. biosphere
Photosynthetic organisms are essential for limiting the damage done by global warming because they
____.
a. move carbon from the atmosphere to living organisms b. move carbon from the soil to the atmosphere c. move carbon from the atmosphere to the soil d. produce oxygen e. sequester carbon in geologic sediments
In an organism with 16 chromosomes per cell, how many DNA molecules are present in a cell undergoing anaphase of mitosis?
A) 8 B) 16 C) 24 D) 32 E) 64