BIO TOPIC MIX FOR ENTRANCE EXAM 2024 LATEST QUESTIONS AND UPDATED CORRECT VERIFIED ANSWERS

BIO TOPIC MIX FOR ENTRANCE EXAM 2024 LATEST QUESTIONS AND UPDATED CORRECT VERIFIED ANSWERS what are the organs not directly involved with the digestive system but secret enzymes called? accessory organs what are the 4 layers of the alimentary canal? mucosa, submucosa, mucularis externa and serosa what are the functions of the mucosa? protection, absorption, secretion what are the features of the mucosa? small smooth muscles, connective tissue and glands what are the features of the submucosa? loose connective tissue that is soft and with collagen with nerve endings and lymphatic tissue what are the two parts of mucularis externa? inner circular and outer longitudinal what is the inner circular for? smooth muscle that forms sphincters what are the two parts of the serosa? visceral peritoneum and mesothelieum what tissue is contained in the visceral peritoneium? simple squamos what tissue is contained in the mesothelium? underlying connective tissue where are the vocal cords located? larynx whats a karotype? complete set of chromosomes how are chromosomes classified by their length? by the position of the centromere what are the 4 different centromere positions? acrocentric telocentric metacentric submetacentric which centromere position is not possible in humans? telocentric what is a barr body? staining structure in the cell nuclei of females consisting of condensed inactive x chromosome what is mastication? chewing what does saliva contain? mucin, salt, water and sometimes amylase what do the papillae do? help chew and grip food dissolve food that binds to the receptors what tissue are kidneys surrounded by? adipose tissue what does the midbrain do? to do with vision and hearing what are prions? infectious particles that are proteins Are monocytes bigger than lymphocytes? yes they have a large nuclei what is progesterone secreted by? Corpus luteum s what is the corpus luteum? structure that forms in the ovaried after egg is released are non polar or polar bodies formed in the process of oogenesis? polar what is oogenesis? production of female sex cells from which part of the heart does systematic circulation start? left ventricle what are the functions of the digestive system? digestion, absorption and elimination what are the two types of digestion? mechanical and chemical where does mechanical digestion take place? mouth and stomach where does chemical digestion take place? mouth stomach and small intestine Where does absorption occur? small intestine where does elimination take place? anus what is peristalsis? continuous, involuntary muscle contractions and relaxations that move rapidly along the esophagus like a wave what are the GI tract divisions? upper and lower GI tract what is in the upper GI tract? mouth to duodeneum what is in the lower GI tract? jejunum to large intestine when food enters the small intestine from the stomach what is it called? chyme what is a lump of food swallowed called?