Carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur may be considered
A. minor elements.
B. major elements.
C. neutral elements.
D. acidic elements.
B
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An egg rolling out of its nest is a(n) _______ to a nesting goose.
A. conditioned response B. reproductive habituation C. sign stimulus D. gene expression E. operant conditioning
Choose the item in column 2 that best matches each item in column 1.
A) diffusion and passive and active transport B) both passive and active transport C) diffusion D) active transport E) none of the listed processes F) both diffusion and passive transport G) indirect active transport H) passive transport 1) requires a specific integral membrane protein 2) dependent on solubility properties of the solute 3) requires cellular expenditure of energy 4) Keq = 1 5) Na+/glucose symport 6) Na+/K+ pump 7) exclusively involves the transfer of small, nonpolar molecules 8) applies only to ions 9) ?G° = 0 10) direction of transport is dependent upon the concentration gradient at any given point in time 11) requires ligand binding and therefore Michaelis constants can be calculated
The three most important nutrients contained in fertilizers are ________
A) nitrogen, iron, and phosphorus B) zinc, sulfur, and phosphorus C) nitrogen, phosphorus, and potassium D) zinc, iron, and potassium
At what levels can eukaryotic gene expression be regulated? Which level is the most important for most genes?
What will be an ideal response?