BIOL 2200 EXAM PACKAGE DEAL

Phospholipid bilayers are NOT stabilised by: a. van der Walls forces b. covalent bonds c. hydrogen bonds d. ionic bonds e. hydrophobic interactions - Answer-b. covalent bonds A transmembrane protein has the following properties: it has two binding sites, one for solute A and one for sol...

A fish is excreting large volumes of water; we would describe it as ______________________ relative to its environment. - Answer-An osmoregulator that is hyperosmotic. Which of the following animals likely makes the most nitrogenous waste? A. Frugivorous Bat B. Insectivorous Frog C. Piscivorous...

Describe the difference in the histology of the tumour if it had been assessed as a adenoma rather than adenocarcinoma - An adenoma is a benign tumour: lost ability to control proliferation the growth is slow the cells are still well differentiated and organized, they also do not invade beyond ...

Regular logistic growth - Goes up exponentially then plateaus Niche - The range of abiotic and biotic conditions an organism can tolerate/handle Fundamental niche - the range of abiotic conditions under which a species can persist Realized niche - the range of abiotic and biotic conditions under ...

Why is there blood in his urine? - Answer-Due to swelling/inflammation of testes, the plasma fluid must be released to relieve pressure which is done via the vas deferens then to the urethra Why is there shortness of breath? - Answer-He's in emotional stress due to the severe scrotal pain Why is...

hypersensitivity - an altered immunologic response to an antigen that results in disease or damage to the individual autoimmune response - an inappropriate immune response to tissues normally present in the body alloimmune response - an immune response to alternative forms of an antigen not foun...

Biodiversity - Answer-The variability among living organisms from all sources and the ecological complexes of which they are part; includes diversity within and among species and ecosystems -Prokaryotes are so important to the biosphere that if they were to disappear, the prospects of survival fo...

Aristotle, a philosopher - Answer-Pre-300 BCE -described species as fixed -Scale of nature: arranges species in order of lowest to highest complexity -linear hierarchy Hutton, a geologist - Answer-1795 -proposed gradualism -change is a slow but continuous process Thomas Robert Malthus, an eco...