Which of the following is not composed of microtubules?
A. desmosomes
B. centrioles
C. eukaryotic flagella
D. eukaryotic cilia
Ans: A. desmosomes
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Mitotic divisions reduce the number of chromosomes found in daughter cells
a. True b. False Indicate whether the statement is true or false
Temperature increases due to global warming have been greatest ________
A) close to the poles B) in the sea C) in the tropics D) in deserts
Which of the following crosses will yield four phenotypes in a ratio of 9:3:3:1?
Select one: a. RRYY × RRYY b. RRYY × rryy c. RrYy × RrYy d. RrYy × rryy e. rryy × rryy
A bacterium that is pathogenic:
A) is a disease-causing organism. B) has genes similar to viruses. C) benefits from living inside humans and produces nutrients for us. D) is flexible regarding use of metabolic pathways.