Figure 24.6
?
Refer to the illustration above of an adult sponge for questions 10 and 11.
In the accompanying figure, a cell type that helps to pull water through the sponge and strains out food particles is identified by the number ____.
A. 1
B. 2
C. 3
D. 4
E. 5
Answer: E
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When Melvin Calvin and Andrew Benson reduced the CO2 available to cells in the photosynthesis
experiments, they discovered that RuBP accumulated. Why did this molecule accumulate?
a. There wasn't sufficient light to drive photosynthesis. b. The cells had too little ATP. c. There were not enough reactants to generate 3PGA. d. The RuBP was defective in structure and unable to form a bond with CO2. e. Rubisco was inhibited by the RuBP excess.
Animals that obtain their body heat from internal metabolism are called:
a. ectotherms. b. poikilotherms. c. endotherms. d. osmoconformers. e. osmoregulators.
The Cap Acrosome on a sperm contains what?
What will be an ideal response?
Differentiate among the following types of genes: tumor-suppressor gene, proto-oncogene, and oncogene
What will be an ideal response?