#Question id: 11546
#Unit 7. System Physiology – Animal
Steroid and polypeptide hormones typically have in common ________.
#Question id: 8703
#Unit 9. Diversity of Life Forms
In a comparison of birds and mammals, having four limbs is ________.
#Question id: 392
#Unit 1. Molecules and their Interaction Relevant to Biology
When an ionic compound such as sodium chloride (NaCl) is placed in water, the component atoms of the NaCl crystal dissociate into individual sodium ions (Na+) and chloride ions (Cl-). In contrast, the atoms of covalently bonded molecules (e.g., glucose, sucrose, glycerol) do not generally dissociate when placed in aqueous solution. Which of the following solutions would be expected to contain the greatest number of solute particles (molecules or ions)?
#Question id: 7703
#Unit 9. Diversity of Life Forms
Carolus Linnaeus believed that species remained fixed in the form in which they had been created. Linnaeus would have been uncomfortable with ________.
#Question id: 11486
#Unit 7. System Physiology – Animal
The contraction of skeletal muscles is based on ________