What protects a cell and may help keep other cells at a distance?
a. cell wall
b. glycocalyx
c. microfilaments
d. middle lamella
e. extracellular matrix
b
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What does a gametophyte produce?
A. Diploid gametes B. Haploid spores C. Diploid spores D. Haploid gametes
Are dominant alleles always expressed in the phenotype?
a. Yes b. No
Which of the following ultimately provides the O2 used during the process of oxidative phosphorylation
-fermentation -light reactions of photosynthesis -Calvin cycle of photosynthesis -Krebs cycle -carbon fixation
Which of the following statements about measles is FALSE?
A) It is a serious disease. B) It is preventable by vaccination. C) Annually, it kills thousands of children worldwide. D) The disease has been eradicated in the United States. E) Complications include pneumonia, encephalitis, and death.