Biology In what chief capacity does vitamin k function? Blood clot Bone density Raise plasma calcium Produce rhodopsin Blood clot Bone density Raise plasma calcium Produce rhodopsin ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is the cellular respiratory centre? Nucleus Mitochondria Golgi body Ribosome Nucleus Mitochondria Golgi body Ribosome ANSWER DOWNLOAD EXAMIANS APP
Biology The interferons are All of these Antibiotic proteins Antigen proteins Antiviral proteins All of these Antibiotic proteins Antigen proteins Antiviral proteins ANSWER DOWNLOAD EXAMIANS APP
Biology It is composed of two polynucleotide chains which are coiled round each other in the form of a double helix. RNA DNA None of these Fats RNA DNA None of these Fats ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is true of annelids? They have a nerve net They have an open circulatory system They have pseudocoeloms They perform gas exchange across their skin They have a nerve net They have an open circulatory system They have pseudocoeloms They perform gas exchange across their skin ANSWER DOWNLOAD EXAMIANS APP
Biology In which phylum nerve cells are found but nerves are absent ? Platyhelminthes Porifera Coelenterata Nemathelminthes Platyhelminthes Porifera Coelenterata Nemathelminthes ANSWER DOWNLOAD EXAMIANS APP