Vitamin D and ___________________ are two signaling molecules that use pathways similar to steroids to interact

with target cells. Fill in the blank(s) with the appropriate word(s).


ANSWER: thyroid hormone

Biology & Microbiology

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Which of the following statements concerning calmodulin is FALSE?

a. It activates protein kinases. b. It activates phosphatases. c. It is a protein. d. It is found in all eukaryotic cells studied. e. It binds a maximum of three calcium ions.

Biology & Microbiology

What is synthesis of RNA from a DNA template called?

A) Transformation B) Reverse transcription C) Transcription D) Translation E) None of these choices

Biology & Microbiology

Root hairs develop from the

A) pericycle. B) cortex. C) endodermis. D) Casparian strip. E) epidermis.

Biology & Microbiology

Fibrous connective tissue repair is defined as:

a. scar formation b. primary union c. regeneration d. mitotic cellular repair

Biology & Microbiology