The process of conversion of ammonia to nitrate is referred to as ________.
A. nitrogen fixation
B. denitrification
C. nitrification
D. ammonification
Answer: C
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Which of the following events occurs first during meiosis?
A. homologous chromosomes separate and are pulled to opposite poles of the cell B. sister chromatids separate and are pulled to opposite poles of the cell C. chromosomes decondense D. synapsis of homologous chromosomes E. pairs of homologous chromosomes align along the equatorial plate
Home gardeners who grow tomatoes are often told to pinch off auxillary buds at nodes to prevent the plants from becoming too bushy. This is applicable with most tomato species because they have growth.
A. circular B. slow C. determinate D. undefined E. indeterminate
The endothelium of the heart and blood vessels is composed of a smooth layer of connective tissue that reduces friction, which helps keep blood flowing smoothly
Indicate whether the statement is true or false
In divergence, one neuron:a
is controlled by several neurons. b. is controlled by several neurotransmitter substances. c. contains several different types of ion channels. d. controls several other neurons. e. contains several different types of receptors.