In both progeria and Werner syndrome, cells are switched from a growth to a maintenance mode, halting ____________________

Fill in the blank(s) with correct word


divisions
cell divisions

Biology & Microbiology

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M. xanthus has an alternate motility type, known as ________ motility, because it is exhibited by single cells that leave the group, perhaps scouting for prey and requires a multiprotein motility "machine."

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Why might mitochondrial DNA be used in construction of phylogenetic trees rather than nuclear DNA?

What will be an ideal response?

Biology & Microbiology

Scientists have identified and named

a. all living species b. all living and extinct species c. all extinct species d. a fraction of all species

Biology & Microbiology

Hemoglobin is a respiratory protein. Its function is to

A) increase the oxygen-carrying capacity of blood. B) provide structural integrity to red blood cells. C) remove toxins from plasma. D) attract lymphocytes to damaged tissues. E) assist in blood clotting.

Biology & Microbiology