Which of the following is not composed of microtubules?

A. desmosomes
B. centrioles
C. eukaryotic flagella
D. eukaryotic cilia


Ans: A. desmosomes

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology

Mitotic divisions reduce the number of chromosomes found in daughter cells

a. True b. False Indicate whether the statement is true or false

Biology & Microbiology