sieve tubes, Biology

Assignment Help:
What are sieve tubes suited for translocation of food?
a.bordered pits
b.no end walls
c.bordered lumen and perforated cross walls
D.no protoplasm

Related Discussions:- sieve tubes

Aortic and pulmonary orifices, These circular orifices are located at the u...

These circular orifices are located at the upper ends of the outflow parts of the left and right ventricles respectively. The pulmonary orifice which is 3 cms, is 0.5 cm larger tha

Taxonomy, Agroup of realated genera are classified as-?

Agroup of realated genera are classified as-?

What is reproductive isolation, What is reproductive isolation? The Liv...

What is reproductive isolation? The Living beings are considered under reproductive isolation when they cannot cross among themselves or if they can cross but cannot generate f

Knocking and octane number, Mixture of gasoline and air is used as fuel in ...

Mixture of gasoline and air is used as fuel in internal combustion engine. It is highly compressed and then ignited. 1.      The process involves four strokes : 2.      The f

Clinical features - rheumatic fever, The American Heart Association (AHA) h...

The American Heart Association (AHA) has recommended the revised Jones Criteria as a guide for ARF diagnosis. The same have been approved by WHO study group for the diagnosis of in

Formation of egg membrane, FORMATION OF EGG MEMBRANE Ovum with egg memb...

FORMATION OF EGG MEMBRANE Ovum with egg membrane is called ova / egg.  On the basis of origin the egg membrane are of three types & 1 .      PRIMARY EGG MEMBRANE It is

Haemolysis-complications of prosthetic valves, Haemolysis :  Mechanical va...

Haemolysis :  Mechanical valves, bioprosthetic valves as well as valves repaired with annuloplasty rings may cause haemolysis and related anaemia. This is more common when there i

Rectum examination of new born, Rectum check for anal patency and p...

Rectum check for anal patency and passage of meconium and observe whether meconium is passed or not. Confirm its patency then pass a catheter or gloved finger  check if

Define gonads and reproductive system, Define Gonads and Reproductive Syste...

Define Gonads and Reproductive System? With aging, there is decrease in pituitary hormone secretion causing decrease in gonadal hormone production, which causes number of chang

Interphase again between meiosis ii and meiosis i, Q. Is there interphase a...

Q. Is there interphase again between meiosis II and meiosis I? There is no interphase or DNA duplication between the divisions of meiosis. Only a short interval termed as diaki

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd