"Double fertilization" produces nutrient tissue by the union of ____
a. two egg nuclei and one sperm nucleus
b. two sperm nuclei and one egg nucleus
c. two sperm nuclei and two egg nuclei
d. one sperm nucleus and endosperm mother cell nuclei
e. two sperm nuclei and one endosperm mother cell nucleus
ANSWER: d
You might also like to view...
How does habitat fragmentation affect biodiversity?
a. As long as the fragments are of good quality habitat, biodiversity will not be affected. b. Habitat fragmentation increases biodiversity because it reduces entry of exotic species. c. Habitat fragmentation is a threat to biodiversity because small habitat patches sustain only small populations. d. Habitat fragmentation increases biodiversity because adaptation to local conditions stimulates evolution. e. Habitat fragmentation connects terrestrial and aquatic habitats.
Four of the five answers listed below are functions of the nephrons in the kidney. Select the exception
a. filtration b. dilution c. excretion d. reabsorption e. secretion
The multifactorial threshold model is helpful in genetic counseling to predict recurrence risks. Indicate whether the statement is true or false
Antibiotics that contain a beta-lactam ring
A) bind to and cross-link peptidoglycans B) act as an antimetabolite C) bind to a bacterial RNA polymerase D) are erroneously incorporated as nucleic acids