All organisms on earth encode their genes in strands of ________.
Fill in the blank(s) with the appropriate word(s).
DNA
All organisms on earth encode their genes in strands of DNA.
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Which biome experiences the dryest and warmest conditions?
a. desert b. tropical rainforest c. chaparral d. temperate deciduous forest e. boreal forest
When did life first appear on the planet?
A. 2.1 billion years ago B. 3.5 billion years ago C. 2.1 million years ago D. 3.5 million years ago
A decline in __________ is an indication that a negative environmental change is occurring
Fill in the blank(s) with the appropriate word(s).
Suppose your lead analyst runs a simple regression of Profits (Y) on price (X). You know that the average profit in the sample was $1,000 and the average price was $25. If your analyst reports that the intercept from the simple regression is 900, what can you infer about the estimated slope?
A. The estimated slope is -4. B. The estimated slope is 4. C. The estimated slope is 2. D. None of these choices are correct.