Commercial fertilizer labels prominently display three numbers, which indicate the content of three elements needed by most plants as macronutrients. These elements in number sequence are
A. zinc, magnesium, and potassium.
B. carbon, sulfur, and nitrogen.
C. nitrogen, zinc, and copper.
D. nitrogen, phosphorus, and potassium.
E. copper, nitrogen, and phosphorus.
D. nitrogen, phosphorus, and potassium.
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Ribosomes are made up of:
A. only RNA molecules. B. only DNA molecules. C. DNA and RNA. D. protein and RNA. E. only protein molecules.
As fuels, wood and coal _____
A) are the main fuel sources in industrialized countries today B) are both formed from living or fossil plants C) are both formed under pressure deep in the Earth. D) were both commonly used throughout the United States through the early 1900s.
Budding bacteria form new cell wall material at a single point rather than throughout the whole cell
Indicate whether the statement is true or false.
Each of these organ systems is involved in the homeostatic regulation of body temperature EXCEPT which one?
A) nervous system B) integumentary system C) circulatory system D) muscular system E) skeletal system