What are the three possible forms of nitrogenous waste?
300
Nuclear division (karyokinesis) and cell splitting (cytokinesis)
What are the two parts to cell division?
300
Blastomere
What is an individual cell on a blastula called?
300
duodenum
What is the first part of the small intestine?
300
Albumins, Globulins, Fibriogen
What are three soluble proteins in blood plasma?
300
Maintain volume and composition of internal fluid environment
What is the role of a kidney?
400
How can you tell the difference between a cell in meiosis II vs mitosis?
The number of chromosomes (n vs 2n)
400
A hollow ball of cells undergoing many divisions
What is a blastula?
400
What is the role of microvilli?
Provide surface area for the absorption of nutrients and help move things through the small intestine
400
What is this characteristic of? Why is it that way?
-Thin walled and less elastic vessel for blood transport
Veins, blood is returning to the heart so does not need to be able to withstand high pressures (like arteries do)
400
2 million
How many nephrons are in human kidneys?
500
What is the site of attachment of spindle fibers to sister chromatids?
Kinetochore
500
What do each of the three germ layers become in an adult, triploblastic organism?
Ectoderm-Epidermis, nervous tissue
Mesoderm- Muscles, connective tissue
Endoderm- Gut lining and associated structures
500
What is the process of digestion through a complete gut? Think functional regions, there are 5
1. Reception, 2. conduction and storage, 3. grinding and early digestion, 4. terminal digestion and absorption, 5. water absorption and concentration of solids
500
How does blood circulate in the mammalian heart?
Right ventricle, pulmonary arteries, lung capillaries, pulmonary veins, left atrium, left ventricle, aorta, tissue capillaries, superior & inferior vena cava, right atrium
500
What controls urine concentration in mammals? Name two things
High concentrations of salts, high concentrations of urea in medusa of kidney, ADH hormone