The atomic number for an atom of a specific element is equal to (Check all that apply)
__X__
the number of electrons in a single atom of that element.
_____ the number of electrons plus neutrons in a single atom of that element.
__X__ the number of protons in a single atom of that element.
_____ the number of neutrons and protons in a single atom of that element.
__X__
the number of electrons in a single atom of that element.
__X__ the number of protons in a single atom of that element.
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Seeds appeared in the fossil record by:
A. 100 million years ago B. 365 million years ago C. 545 million years ago D. 780 million years ago E. a billion years ago
In systemic acquired resistance, the regulatory protein NPR-1 moves from the cytoplasm to the cell
nucleus, apparently in response to a buildup of ____ in the cytoplasm.
a. ethylene b. brassinosteroids c. oligosaccharins d. jasmonates e. salicylic acid
Identify the correct comparison between the human X and Y chromosomes.
A. Only the X chromosome is paired with a homologous match in human females. B. The X chromosome is larger than the Y chromosome. C. Only the Y chromosome is always found without a homologous match. D. Although both are sex chromosomes, they do not share the same genes. E. All of the answer choices are correct.
Resistance activities increase muscle mass by ____
a. stretching muscles b. increasing the number of mitochondria in cells c. encouraging the synthesis of more actin and myosin filaments d. encouraging the production of more muscle fibers e. converting red fibers to white fibers