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BIOD 101 Module 5 (EXAM) with 100- correct answers.
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BIOD 101 Module 5 (EXAM) with 100- correct answers.
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BIOD 101 Module 5 (EXAM) with100% correct answers
Endocrine signaling. - answer Which of the following signaling types
is used to transmit ligands to their target cells over long distances,
using the circulatory system as a transport medium?
1. Autocrine signaling
2. Endocrine signaling
3. Direct cell-to-cell signaling
4. Paracrine signaling
5. Synaptic signaling
Steroid hormones are hydrophobic. They would require a carrier
protein to carry it through the blood because it is considered
hydrophilic. - answer Explain why a steroid hormone would require a
carrier protein to transport it through the bloodstream.
Receptors in each family are classified by their location in the body.
- answer Each of the following is true regarding cellular receptors
except:
1. Receptors in each family are classified by their location in the
body.
, 2. Most receptors are located on the outside of a cell, anchored in
the plasma membrane.
3. Cell surface receptors contain an extracellular region,
intracellular region, and a hydrophobic region in the plasma
membrane.
4. Intracellular receptors are located in the cell's cytoplasm.
Hormones, peptides, sugars, and other hydrophobic molecules.
So calcium and female sex hormones would classify as ligands. -
answer List TWO specific examples of cellular ligands.
1. Molecules
2. Enzymes - answer Fill in the Blank:
Transduction is the chain of ___________ and intracellular ___________
that relay signals inside of a cell.
They thread through the plasma membrane forming loops. - answer
Which of the following statements is true of GPCRs?
1. They thread through the plasma membrane forming loops.
2. They are transmembrane hormone receptors.
3. A modified loop receives ligands on their intracellular side.
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