In the pine life cycle, when does fertilization often take place?
a. a few days before pollination
b. at the same time as pollination
c. a few weeks after pollination
d. months to a year after pollination
Answer: d. months to a year after pollination
You might also like to view...
DNA fragments can be separated by size on a gel, but then must be transferred to filters for probing
and further analysis. The technique used to transfer DNA to the filters is called ____________________. Fill in the blank(s) with the appropriate word(s).
One characteristic of the class Holothuroidea is:
a. that most are predators that consume partially digested prey. b. that most of the species are extinct. c. that they have a reduced endoskeleton consisting of microscopic plates embedded in the body wall. d. that moveable spines are used to facilitate locomotion. e. that they have a distinct central disk with very long, slender arms
Spot desmosomes are actually ________ junctions, which allow for slight flexibility in an epithelium
Fill in the blank(s) with correct word
Which of the following coliforms is the most common cause of non-nosocomial urinary tract infections?
A) Escherichia coli B) Serratia marcescens C) Proteus mirabilis D) Klebsiella pneumoniae E) Enterobacter