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Biology 171 Final Questions With Complete Solutions
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Biology 171 Final Questions With Complete Solutions
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Biology 171 Final Questions With Complete Solutions3H2 + N2 --> 2NH3
Which of the following is true for the above reaction? Correct
Answer Ammonia is being formed and decomposed
simultaneously
3H2 + N2 <——> 2NH3
Which of the following is true for the above reaction? Correct
Answer Ammonia is being formed and decomposed
simultaneously
A cell lacking which of the following structures is most likely to
be a prokaryote? Correct Answer nuclear membrane
A characteristic 9 + 2 arrangement of microtubules, consisting
of nine doublet microtubules surrounding a pair of single
microtubules describe the ultra structure of which of the
following cellular structures? Correct Answer Eukaryotic
flagella and motile cilia
A covalent bonds is likely to be polar under which of the
following conditions? Correct Answer One of the atoms
sharing electrons is more electronegative than the other atom
A lung cell divides into two smaller cells and the genetic
information is transferred directly from cell to cell which is an
example of horizontal gene transfer Correct Answer False
, A neutral atom has 2, 8, 8 electrons in its first, second, and third
energy levels. This information Correct Answer Does not tell
us about the atomic mass of the element
A particular cell contains the following molecules and
structures: enzymes, DNA, ribosomes, plasma membrane, and
mitochondria. Based on this composition, it could be a cell from
which of the following organisms? Correct Answer nearly any
eukaryotic organism
A solution contains 0.0000001 (10-7) moles of hydrogen ions
[H+] per liter. Which of the following best describes this
solution? Correct Answer neutral
A solution of pH 7 is than a solution of pH 8 Correct Answer
Ten times as acidic
A young child who suffers from metabolic disease is always
tired and fatigued. Which of the following organelles is most
likely malfunctioning in this disease? Correct Answer
mitochondria
About 25 of the 92 natural elements are known to be essential to
life. Which four of these 25 elements make up approximately
96% of living matter? Correct Answer oxygen, carbon,
hydrogen, nitrogen
An ampipathic molecule has a hydrophilic portion and a
hydrophobic portion? Correct Answer True
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