The smallest difference in DNA sequence between a gene in two individuals is a single-nucleotide polymorphism (SNP)

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

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Four of the five substances listed below are or

contain saturated fats. Select the exception. a. butter b. bacon grease c. oleic acid d. animal fat e. whole milk

Biology & Microbiology

Cell–cell communication in plants takes place via specialized structures called

A) plasmodesmata. B) chloroplast outer membrane pores. C) gap junctions. D) lipid rafts. E) connexons.

Biology & Microbiology

A centrosome is

a. a cylindrical structure made up of nine triplets of microtubules. b. a chromosomal region that connects sister chromatids during mitosis and attaches them to the spindle. c. a protein structure that binds centromeres and mediates the attachment of chromosomes to the spindle. d. the major microtubule-organizing center in animal cells.

Biology & Microbiology

Small molecules and ions can pass through gap junctions.

a. true b. false

Biology & Microbiology