Where sister chromatids are attached. when nuclear material is duplicated. a groove at the cell surface located between dividing animal cells. a protein structure attached to the centromere. fusion of an egg with more than one sperm. chromosomes that have the same set of genes, one from the mother and one from the father. microtubule organizing center. a membrane structure located between dividing plant cells. a cell with two nuclei. a microtubule structure in animal centrosomes. reciprocal exchange of genetic material between non-sister chromatids

cramming before a final is bad because it makes a student's stress level higher. students who embrace cramming to get through a final exam week find themselves struggling to perform consistently, once the brain adjusts to prolonged sleep deprivation.

dz nuts.   eeneneneeenenne

osteogenesis imperfecta (oi) refers to a congenital ailment of bones. in the condition, the bones become brittle or fragile. this ailment is a general result of the defect or mutations in the genes (colia1 or colia2). this mutation results in imperfect collagen formation either in quantity or quality wise.  

there are eight kinds of oi defects, and each kind varies with certain distinctions in symptoms. the usual symptoms include frequent bone fractures, loss of hearing in infants, protruding eyes, discoloration of the white in the eyes, respiratory issues, loosening of the joints, short stature, and other symptoms.