Which of the following are two names for classes of hormones?
A) Lipophilic and lipotropic
B) Protein and steroid
C) Transcriptional and translational
D) Ionotropic and metabotropic
Answer: B) Protein and steroid
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The two major categories of extracellular signaling molecules that bind to cell surface receptors are ____
a. peptide hormones and steroid hormones b. steroid hormones and neurotransmitters c. neurotransmitters and vitamins d. growth hormones and vitamins e. peptide hormones and neurotransmitters
Which of the following explains the function of ATP synthase?
a. Regenerating ATP from ADP b. Catalyzing biochemical reactions c. Extracting ATP from hydrogen d. Releasing carbon dioxide molecules
If you want to prevent chromatin loops from being anchored to the chromosome scaffold, which regions of the DNA would you target?
What will be an ideal response?
The __________ of earthworm allows them to resist desiccation in terrestrial environments
A. epidermis B. endodermis C. shell D. cuticle E. mesoglea