WorksheetsBIO 405-- chemical messanger
Total questions: 16
Worksheet time: 16mins
Match the following:
gap junction
direct contact
paracrine (1)
short distance (1)
autocrine
same cell signaling
neurotransmitter (2)
short distance (2)
horomone
long distance
Proteins that function as catalysts for reactions in biological systems
(a)
how much ATP is produced when no O2 is present?
(a)
The idea that some receptors and messages act opposite to one another, influencing each other's signals
(a)
the average length of a peptide ligand is (a) 50 amino acids
the average length of a protein-ligand is (b) 50 amino acids
what are the seven virtues... your professor is a joke and you apparently need to know this
(a)
regulates gene transcription and protein synthesis to regulate cell proliferation and immune cell differentiation but also plays an important role in tumor metabolism
(a)
What are the three main types of cell surface receptors?
(a)
Receptor binding depends on the prosperities of the ligand
(a) ligand —> bind to receptors in the cell membrane
(b) ligand —> bind to receptors within the cell
Reorder the chemical messenger
Source
Ligand
Target
water soluble, not lipid soluble, does not easily cross cell membrane: (a) ligand
not water water soluble, lipid soluble, easily crosses cell membrane: (b) ligand
match the following together :D
peptide and protein messenger
lipophobic, most common ligand
amines
lipophobic, made or derived from an amino acid
steriod ligand
lipophilic, function as hormones
What is the machinery used to cut peptides
(a)
put these in the correct order for eicosanoids
membrane phospholipid
phospholipase A2
Arachidonic acid
Cyclooxgenase or lipooxygenase pathway
binds to the receptors, producing a similar response to the intended chemical and receptor is a(n) (a)
a substance that stops the action or effect of another substance is a(n) (b)
the process by which a chemical or physical signal is transmitted through a cell as a series of molecular events
(a)
