Dissimilatory nitrate reduction results in the production of gaseous products, while assimilatory nitrate reduction results in the production of ammonia for biosynthesis
Indicate whether the statement is true or false.
Answer: TRUE
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Root hair development is under the control of two genes that code for transcription factors. Indicate whether the statement is true or false
Animals navigate by using two senses. One is called map sense and the other is called compass sense. Map sense is ________; compass sense is ________.
A. the learned ability to adjust a bearing depending on the animal's location; an innate ability to move in a particular direction B. the learned ability to move in a particular direction; an innate ability to adjust a bearing depending on the animal's location
T cells that undergo positive and negative selection ensure that
a. mature T cells only react strongly with foreign antigens. b. mature T cells react with foreign and self antigens. c. mature T cells react strongly with foreign antigens or do not react at all. d. mature T cells react strongly with self antigens.
What is the temperature sensitive pigment of Serratia marcescens which cause it to be red at 25C and white at 37C
a. prodigiosin b. ligase c. casein d. ribozyme e. catalase