Application of fertilizer results in plant growth because fertilizer provides the following critical nutrient(s):
What will be an ideal response?
nitrogen
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Which of the following is/are means whereby a catalyst can lower the activation energy of a reaction?
A) decreasing the number of reactive molecules B) altering the temperature within the cell to one appropriate for reactions to proceed C) quantum tunneling D) inefficient collisions E) permanently binding substrates
Almost all cases of cystic fibrosis, a(n) ____ genetic disorder, are the result of mating between two unaffected parents
a. mitochondrial b. autosomal dominant c. autosomal recessive d. X-linked dominant e. X-linked recessive
"I can tell this cell is in metaphase because . . ."
A. the chromatids are dividing. B. the spindle is being formed. C. the chromosomes are aligned on the equator of the cell. D. the nuclear membrane is forming.
A substance that is a solid
A. contains a large amount of oxygen. B. contains molecules that are packed tightly together and vibrate in place. C. is bonded very tightly (covalent). D. contains a large amount of hydrogen bonds.