The universal response when a ligand binds to a receptor is the ligand falls off.
a. true
b. false
Answer: b. false
Biology & Microbiology
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What cytoskeletal protein is important to the function of the sperm cells illustrated in Figure 11.13?
A. microfilaments B. intermediate filaments C. microtubules D. All of the above are correct.
Biology & Microbiology
The loss of water vapor from aerial plant parts is called evapotranspiration
a. True b. False
Biology & Microbiology
The epidermis of a nematode is derived from the:a
endoderm b. mesoderm c. ectoderm d. epithelium e. mesenchyme
Biology & Microbiology
What hormone stimulates the production of cortisol?
A. gonadotropic hormone B. growth hormone C. adrenocorticotropic hormone D. antidiuretic hormone E. thyroid-stimulating hormone
Biology & Microbiology