Mitochondrial gene defects most often affect the ____________________ and the ____________________. Fill in the blank(s) with the appropriate word(s)

Which action that spreads pathogens is the simplest to prevent?

1.inhalation 2.indirect contact 3.contact with a vector 4.direct contact

E. coli uses which of the following enzymes to regulate membrane fluidity?

A) glucose-6-phosphatase B) desaturase C) fatty acid convertase D) gangliosidase E) kinase

The fruit produced by angiosperms is an evolutionary adaptation that most often

A. nourishes the seeds within the fruit on ripening B. aids in seed dispersal C. attracts pollinators D. inhibits seed germination until favorable environmental conditions occur E. provides an energy source for the plant egg cell prior to fertilization

A cataclysmic event

A. is a high-level, chronic stressor B. is a personal, intense stressor involving loss C. causes interpersonal distress D. may not be as stressful as we think