Reproduction always involves which of the following?
a. creation of a minimum four cells per round of cell division
b. creation of genetically identical cells
c. the use of DNA as a basis for cellular reproduction
d. the use of RNA as a basis for cellular reproduction
c. the use of DNA as a basis for cellular reproduction
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Biochemical tests are no longer very important for the identification of enteric bacteria.
Answer the following statement true (T) or false (F)
Which of the following is represented by a wolf that hunts rabbits?
a. abiotic predator b. disruptive selection c. abiotic competition d. biotic predator
Scientists have studied the effects of television watching on the metabolic rate of children and its potential implications for childhood obesity. In a study of 15 obese children and 16 non-obese children, it was found that the metabolic rate of all
children significantly decreased while watching television compared to their metabolic rate when they were at normal rest. The drop was greater for obese children, but the difference in drops between the two groups of children was not statistically significant. What is a reasonable conclusion to draw from this study? A) Television watching does not contribute at all to childhood obesity. B) Television watching likely contributes to adult obesity but not childhood obesity. C) Television watching contributes more to childhood obesity than the overconsumption of sugary foods. D) Television watching is an activity that should be carefully considered when studying factors that may affect childhood obesity.
Flowers may develop from a(n):
A. apical meristem. B. leaf meristem. C. branch meristem. D. lateral meristem.