Which structure was least likely to be present in the charophyte ancestors of land plants?
a. spores
b. gametes
c. multicellular organs
d. diploid embryos
e. chloroplasts
ANSWER: d
Biology & Microbiology
You might also like to view...
________ , also known as "jumping genes," are examples of mobile DNA elements.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Microsporidia have a unique organelle, the ________ that is used to invade the host cell.
What will be an ideal response?
Biology & Microbiology
Which of the following is most likely the result
of a neutral mutation?
a. fingerprint patterns b. larger brains c. standing upright d. digestion of cellulose e. fur
Biology & Microbiology
Ethylene oxide is
A. used as an antiseptic against anaerobes. B. sporicidal. C. only effective with high heat. D. a halogen. E. the active agent in household bleach.
Biology & Microbiology