a. Describe the kinase cascade that transmits signals down from the activated Ras protein.
b. Platelet derived growth factor (PDGF) is a dimer of two polypeptide chains. How would PDGF monomers affect signaling by the PDGF receptor?
In: Anatomy and Physiology
1) What is hearing?
2) What is the pathway for hearing?
3) What are the two vestibular systems?
4) Explain how the two vestibular systems detect changes in movement.
In: Anatomy and Physiology
What is a cortical reaction? What is the mechanism for slow block to prevent polyspermy? What would be the consequences if calcium release from smooth endoplasmic reticulum is blocked?
In: Anatomy and Physiology
What is a skull? How many views of the skull are present? Describe in detail the views of the skull?
In: Anatomy and Physiology
What is the corpus leteum? What happens to it if fertilization occurs? And what happens If fertilization does not occur?
In: Anatomy and Physiology
What is lymphedema and what causes it? What are its symptoms and possible consequences?
In: Anatomy and Physiology
What is the role of connective tissue in the heart – what does it do? What is its impact on conduction? Contraction?
In: Anatomy and Physiology
What are the names of A&B
what is this device? what is the name of (a /b/c/d) parts of this device
In: Anatomy and Physiology
What is a Skeleton? Briefly list out the bones of the skull and explain each in 1 or 2 sentences.
In: Anatomy and Physiology
The hormones secretin and cholecystokinin which are released by duodenal enteroendocrine cells will have what overall action?
In: Anatomy and Physiology
1) Functions of the large intestine include :
Temporary food storage
resorption of water and compaction of feces
chemical digestion of chyme
absorption of the products of digestion
all the above
2) what does Benedict's reagent test for when analyzing amylase activity?
presence of amino acids
enzymatic activity of proteinases
hydrolysis of glucose
presence of simple sugars
3) Which of the following is NOT a basic process of the gastrointestinal system?
Filtration
absorption
digestion
secretion
motility
4) what cell produces pepsinogen?
duodenal cell
acinar cell
beta cell
chief cell
5) what does biuret reagent test for when analyzing pepsin activity?
hydrolysis of nucleic acid
presence of alcohol sugars
products of lipase
hydrolysis of proteins
Please help me answer this question
In: Anatomy and Physiology
Can males develop pelvic inflammatory disease when infected by an STD? Why or why not?
In: Anatomy and Physiology
In: Anatomy and Physiology
Describe the cardiac cycle in more detail. Include valve actions and the forces that cause those valve actions.
In: Anatomy and Physiology
In: Anatomy and Physiology