Brewer's yeast, apart from being an irreplaceable asset in the brewery and in the bakery, is an experimental organism used to study eukaryotic cells. However, it does havesome limitations. Which of the processes below cannot be studied in yeast?

(a) DNA replication
(b) cell motility
(c) exocytosis
(d) cell division


(b)

Biology & Microbiology

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How do humans use red algae polysaccharides?  

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Which of the following molecules is made up of codons?

a. mRNA b. DNA c. tRNA d. ribosome

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Denaturation disrupts a protein's ________

a. peptide bonds b. hydrogen bonds c. amino acid sequence d. primary structure

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Competition, predation, and ____ are the main types of interactions that occur among species in a community

a. mutualism b. consumption c. reproduction d. symbiosis e. parasitism

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