Why in meiosis chromosomes do not exchange genetic material ?

Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.

How secretion and excretion both are different? explain in simple language.

Which of the following statements about polysaccharides are correct? choose all that apply.cellulose is a linear, unbranched polymer of glucose monomers.starch is typically more highly branched than glycogen.cellulose is a major component of both plant and animal cells.glycogen is a storage form of glucose in animal cells.glycogen is the most abundant organic compound on earth.starch and cellulose are found in plants.