When placed in a glucose solution, yeast cells will produce bubbles. Which process are the yeast cells carrying out?
A chemosynthesis
B photosynthesis
C fermentation
D transpiration
C fermentation
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The growth of a new plant on the margin of a leaf that eventually falls to the ground and grows
independently is an example of
a. fragmentation. b. protoplast fusion. c. somaclonal section. d. grafting. e. apomixis.
The minimum amount of energy needed to get a chemical reaction started is called the ___ energy.
a. activation b. reaction c. enzymatic d. chemical e. triggering
Answer questions 38–42 in reference to the four “habitat” items
listed below. a. habitat fragmentation b. habitat island c. habitat loss d. habitat M 38. This describes where a species lives. M 39. This reduces a habitat’s area, making species more vulnerable to extinction. M 40. This could be the result of chemical pollution. D 41. This is an inhabited area surrounded by unsuitable habitat. D 42. This action may result in a lack of sufficient resources to sustain the population.
Figure 3.11 B
What are the arrows pointing to in the accompanying figure?
A. Double ionic bonds B. Single ionic bonds C. Double covalent bonds D. Single covalent bonds E. Hydrogen bonds