Multicellular organisms grow in size by producing more
A. cells.
B. organs.
C. heart muscle.
D. chlorophyll.
Ans: A. cells.
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Which of the following are important in the digestions of carbohydrates?
A) Trypsin B) pancreatic amylase C) pancreatic lipase D) bile
When Frederick Griffith injected dead bacteria of the virulent S strain into mice, the mice
A. became ill but lived. B. died of blood poisoning. C. remained healthy. D. reproduced quicker.
Figure 23.7
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Refer to the accompanying figure for questions 11 and 12.
The structure labeled "4" in the figure is a(n) ____.
A. asexual spore B. haploid spore C. mature zygospore D. immature zygospore E. spore sac
The chemical bond connecting one nucleotide with the next along one strand of a DNA molecule is called a
A. phosphate bond. B. phosphodiester bond. C. hydrogen bond. D. glycosidic bond. E. peptide bond.