List and explain two ways hormones affect their targets.
What will be an ideal response?
Second messenger systems activated by peptide hormones modify existing proteins or activate gene transcription to synthesize new proteins. Steroid hormones activate gene transcription to synthesize new proteins, and like
peptide hormones, some steroids have nongenomic responses.
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How is the bulk of carbon dioxide carried in blood?
A) chemically combined with the amino acids of hemoglobin as carbaminohemoglobin in the red blood cells B) as the bicarbonate ion in the plasma after first entering the red blood cells C) as carbonic acid in the plasma D) chemically combined with the heme portion of hemoglobin
If excess glucose still remains in the circulation after glycogen formation, the hepatocytes use glucose to __________.
a. regulate metabolism b. synthesize triglycerides c. repair tissues d. provide energy
Theoretically, an individual born without a middle ear would be able to hear by bone conduction with a hearing aid
Indicate whether the statement is true or false
Identify the accessory structures of the eye
A) eyelids, eyelashes, the superficial epithelium of the eye, and the structures associated with the production, secretion, and removal of tears B) vitreous humor and aqueous humor C) eyelids, conjunctiva, cornea D) tarsal glands, palpebral conjunctiva, bulbar conjunctiva, fornix, lacrimal caruncle E) pupil, iris, cornea, aqueous humor, vitreous humor