Cytokinesis in animal cells involves contraction of a ring of __________ microfilaments
a. tubulin plus actin
b. actin plus myosin
c. cyclin plus myosin
d. keratin plus actin
e. cyclin plus actin
B
You might also like to view...
What’s subsistence farming?
The marine multicellular protists including the larger brown algae belong to the
A. dinoflagellates. B. Choanoflagellida. C. Stramenopiles. D. euglenoids. E. foraminifera.
Geographic biodiversity "hot spots"
A. have the highest vascular plant species richness and ?3 unique ecosystems. B. have the greatest number of species that have lost >50% of their original range. C. contain ?10% of the world's vascular plant species and have lost >50% of their original range. D. have ?1500 endemic plant species and have lost ?70% of the original habitat.
Genetic drift will have a progressively larger impact on allele frequencies in a population as ____
a. gene flow increases b. population size decreases
c. mutation rate decreases d. population size increases e. random mating increases