Liang and Mahadevan concluded that flowers bloom as a result of
A. differential growth rates in stems.
B. differential growth rates of top and bottom petal surfaces.
C. growth starting at the midrib running along the center of each petal.
D. greater growth on petal edges than in the petal center.
Answer: D
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What happens to the ATP molecule after it has been used to do work?
A. It is completely destroyed. B. It breaks down into carbon dioxide and water. C. It is split into two molecules of pyruvic acid. D. It loses a phosphate group and is converted to ADP.
Microorganisms commonly associated with the human body are traditionally referred to as the
A. normal microbiota. B. normal microbes. C. normal microbial flora. D. normal microbial flora or the normal microbiota.
Answer the following statements true (T) or false (F)
1. Some algae are more closely related to plants than they are to other algae. 2. Protozoa are monophyletic. 3. The disappearance of diatoms from the world's oceans would result in an overall increase in the concentration of atmospheric oxygen. 4. Micronuclei are stored particles of carbohydrate and lipids.
By convention, when an observed experimental outcome has a probability of occurrence of less than 5% (<0.05), the experimental results are considered to be __________
A) within normal expected range B) statistically significant and different from the expected outcome C) not significant D) less than one standard deviation from the mean E) equal to the mean