In general, mammals are not good at dispersing chili plant seeds because
a. the seeds die as they pass through the digestive tract.
b. the mammals do not travel very far before they release the chili seeds.
c. the chili seeds do not stick to the mammals' fur.
d. chili seeds are dispersed mainly by the wind.
e. the mammals are the main pollinators for the chili plant.
A
You might also like to view...
Stable annealing due to hydrogen bonding between DNAs of similar nucleotide sequence from different organisms is referred to as ________.
A. hybridization B. restriction C. ligation D. hydrolysis
A diploid cell with three pairs of chromosomes has the genotype Aa Bb Cc, where each gene is on a different chromosome. If this cell were to undergo meiotic division, how many genetically different types of gametes could be produced?
A) 1 B) 3 C) 6 D) 8 E) 9
Which of the following choices is NOT an important consideration when choosing a gene for phylogenetic sequence analysis?
a) Mutations should occur randomly at a rate that reflects the true evolutionary distance between the organisms of interest. b) The marker gene should play a complex role in the cell so that it is unlikely to be subject to lateral transfer. c) The marker gene should have the same function in all the organisms of interest. d) The marker gene should be present in multiple copies due to duplication events in the organisms of interest. e) The marker gene should be large enough to contain a fair amount of phylogenetically useful information.
Why was Serratia marcescens a good choice for the simulated epidemic of an actual bacterium?
A) It has been involved in many epidemics in the United States. B) Its red color makes it easy to identify among other normal flora that may have grown on the TSA plate. C) It is one of the few types of bacteria that grow well on caramel.