Cell types forming xylem
Specify the cell types which form the xylem? Specify its main features?
Expert
The main cells of xylem involve tracheids and the vessel elements. The tracheids and the vessel elements are the dead cells which have lost their cytoplasm and only their cell wall saturated with the lignin (an impermeable biopolymer) remained. The tracheids form the tubes which communicate with the neighboring tubes through the pores; the vessel elements do not have pores but however they communicate with successive vessel element through perforations in their extremities.
The development of the individual proceeds under the influence of many socializing forces and agencies, from nuclear family to more distant or global groupings. In order to understand the effects of a family on individual's personality, we have to understand the socialization process and
1) The ERG theory is more consistent with our knowledge of in dividable differences among people. Variables such as education, family background and cultural environment can alter the importance or driving force that a group of needs holds for a particular individual. The
NOTE: Before selecting the company you will use for this project, think about the limitations of time and size of the report. The more familiar you are with an operation, the likely you will be able to
Give a brief explanation of epitope.
Involving the main events and hormonal changes how the menstrual cycle is explained?
Contract Negotiations: The contract negotiation is any discussion, either in person or via electronic means, which has as its main goal to come to a written agreement regarding a business matter. Such a contract can be for almost anything, though the
With the examples of invertebrate nervous systems, how process of the evolutionary cephalization can be explained?
Frame Relay: Telecommunications technology which breaks data stream into small data packets termed as frames, to give transmission speeds of 64 kilo bits per thousand (Kbps) to 2.4 giga bits per second (Gbps) at fairly lower costs. The Frame-relay equ
What do you mean by tubal pregnancy? Briefly explain it.
What are flagella and cilia? How do such structures acquire movement? Provide some illustrations of flagellated and ciliated cells in humans?
18,76,764
1951908 Asked
3,689
Active Tutors
1415131
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!