--%>
Assignment Help - homework help

Number of cellular nuclei

Specify the number of cellular nuclei does the pollen tube of the angiosperms have? Specify the ploidy of each of these nuclei?

E

Expert

Verified

The pollen tube which is the mature male gametophyte of the angiosperms has three cellular nuclei:

a) Two sperm nuclei, and

b) One tube cell nucleus.

All those nuclei are the part of male gametophyte of plant and therefore, each of them is haploid (n).

   Related Questions in Biology

  • Q : State Leadership Development Leadership

    Leadership Development: Leadership development increases the capacity of individuals to act upon in leadership roles within the organizations. Leadership roles are those which facilitate execution of the company’s strategy through: winning minds

    		•
  • Q : Explain plant hormones Explain the

    Explain the plant hormones?

    		•
  • Q : Fecundation completed insects How is

    How is fecundation completed in insects (internal or external)? Is there copulation among insects? Answer: Fecundation in insects is internal, by copulation.

    		•
  • Q : Classification of phylum Arthropoda

    What are the groups into which the phylum Arthropoda is classified? Name the three main ones and a few of their representative species?

    		•
  • Q : What is Systems Integration Systems

    Systems Integration: It is the composition of a capability by collecting elements in a manner which permits them to work altogether to attain an intended purpose. The systems integration has traditionally been a vital specialty in the defense contract

    		•
  • Q : Protective structures of the central

    Describe the protective structures of the central nervous system existed in vertebrates?

    		•
  • Q : Biochemistry Cell Surface Receptors You

    You have a gene that codes for a cell surface receptor that has a half-life of several days. As there is some potential for targeting this receptor for a particular disease based functionality, it's path of production and clearance is of special interest to a variety

    		•
  • Q : Small animals problem The oxygen comes

    The oxygen comes from the atmosphere and carbon-dioxide in the end returns to the atmosphere. How do small animals resolve the problem of taking away and bringing such molecules from/to their cells? Why that isn’t answered possible for bigger animals?

    		•
  • Q : Individual Differences - Organizational

    Because the inner characteristics that constitute an individual's personality are a unique combination of factors, no two individuals are exactly alike. Nevertheless, many individuals tend to be similar in terms of a single personality characteristic. For instance, many people can be described as

    		•
  • Q : Actions of antibodies against bacteria

    Explain about the different actions of antibodies against the bacteria and against virus? Why the cellular immune response is activated in case of the chronic viral infection?

    		•