What are accessory organs that play a role in chemical digestion
What will be an ideal response?
salivary glands, pancreas, liver
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Hydrogen peroxide may be used as a sterilant on living tissue
Indicate whether this statement is true or false.
Multistranded cords of primary xylem and phloem are ____
a. vascular bundles b. found only in monocots c. found only in dicots d. formed by stele e. formed by pith
In what way do steroid hormones differ from
hormones derived from amino acids?
a. steroid hormones are not derived from organic molecules b. steroid hormones do not need a plasma membrane receptor c. steroid hormones use a second messenger system d. steroid hormones do not travel in the blood e. more than one of these is a way in which steroid hormones differ from amino acidderived hormone
Companion cells are specialized cells found in which plant tissue?
A) meristematic tissue B) ground substance C) phloem D) xylem