Which of the following would be a characteristic of a K-selected species?
A) Individuals tend to die at all ages in the life span.
B) Most die at relatively young ages.
C) All K-selected species live very long life spans.
D) Most K-selected species live until older age.
Answer: D
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Which of the following interactions is not considered to be a weak chemical bond?
A. hydrogen bonds B. van der Waals interactions C. hydrophobic interactions D. covalent bonds E. All of these choices are considered to be weak chemical bonds.
Plant cell walls grow faster in a neutral environment - that is, when the pH is close to 7
Indicate whether the statement is true or false.
A protein is synthesized on a ribosome within the rough endoplasmic reticulum. If the protein needs to be modified
and packaged before export from the cell, to which structure is it sent?
a. endosome b. lysosome c. Golgi body d. nucleus e. smooth endoplasmic reticulum
Plasma membrane permeability of which of the following ions is most important in generating the resting membrane potential?
A) sodium ions B) potassium ions C) chloride ions D) calcium ions E) None of the above generates resting membrane potential.