Bacteria cause diseases in humans when they

A) rearrange the genes of the host to code for specific virulence factors that determine the type and extent of the illness.
B) carry the same genes as the host organism, causing them to be indistinguishable from the host cell.
C) carry the genes that code for virulent factors, causing them to be harmful to humans.
D) carry genes that allow them to become symbiotes.
E) carry the genes of organisms like birds (bird flu) or pigs (swine flu) .

Which organisms exist as a diploid, multinucleated cytoplasmic mass?

A) sporozoa
B) dinoflagellates
C) slime molds
D) diatoms
E) ciliates

Which type of animal symmetry produces mirror images no matter how the animal is sliced longitudinally?

A) radial symmetry
B) asymmetrical symmetry
C) bilateral symmetry
D) asymmetrical symmetry and bilateral symmetry
E) None of the answer choices is correct.

An example of a symphysis is the ________.

A) elbow joint
B) temporomandibular joint
C) costovertebral joint
D) intervertebral joint
E) sacroiliac joint

Plants that are wind-pollinated characteristically have conspicuous flowers.

What part of the vulva is homologous to the scrotum of the male?

A) labia majora
B) perineum
C) mons pubis
D) clitoris

Of the amoebozoans, which species spend their entire lives as single cells?

A) all slime molds
B) cellular slime molds only
C) plasmodial slime molds only
D) amoebas
E) spore-bearing fruiting bodies

Which of the following contains dissolved sugars?

A) Xylem
B) Phloem
C) Stoma
D) Mesophyll
E) Stipules