Transportation of substances in animals
Explain another means for the transportation of substances in the animals without having a circulatory system? Why blood is more essential for larger animals?
Expert
Animals which do not have circulatory system the transportation of substances occurs by cell to cell through the diffusion. The blood is primary means of transportation of substances for the larger animals as in these animals there exist tissues at large distance from each other and also from the environment therefore making diffusion impossible.
Define the term nitrogen wastes? Answer: Nitrogen wastes are residuals, derived from the degradation of proteins. They are made up from chemical transformation of am
According to the Watson-Crick model determine the number of polynucleotide chains does a DNA molecule comprises?
Define the active and passive immunization. According to the period of the protection how do these kind of immunization differ?
Why is it significant for chromosomes to be condensed throughout mitosis and de-condensed all through interphase?
State the functional differences between the neurons and the glial cells?
Water has main participation in organic reactions. What are the illustrations of two kinds of organic reactions in which water is correspondingly incorporated or discharged in the products of such reactions?
What is meant by the term Immune sera or anti sera? Briefly explain it.
Value-Added Processes: The enhancement a company provides its service or product before giving the product to customers. It is used to illustrate instances where a firm takes a product which may be seen a homogeneous product, with little differences i
Explain, how does the swim bladder of fishes work permitting the fishes in order to control their depth under the water?
Why is rubella throughout gestation a threat to fetus?
18,76,764
1944951 Asked
3,689
Active Tutors
1430185
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!