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CLEP Biology Exam Review ( 2026/2027 Update) Questions and Answers
CLEP Biology Exam Review ( 2026/
2026 Update) Questions and
Answers
Q: Cellular Respiration
Answer:
Is the process that releases energy for use by the cell.
Q: A hydrogen bond
Answer:
Is weaker than ionic, covalent, disulfide, or double bonds.
Q: A hydrogen bond involves
Answer:
the attraction of atoms of different polarity and can be easily broken.
Q: Ionic bonds involve
Answer:
the transfer of electrons.
Q: Covalent bonds
Answer:
share electrons.
Q: Chimpanzees
Answer:
Are more closely related to Homo Sapiens than to other apes, but Homo Sapiens did not evolve
from chimpanzees.
Q: About five million years ago...
Answer:
...the lineage that led to the modern Homo Sapiens diverged from the lineage that led to the
modern chimpanzee.
Q: The evolution leading to Homo Sapiens
Answer:
Is more like branching out of a tree with dead ends and new branches appearing simultaneously
than like steps on a ladder.
Q: Early hominids
Answer:
Stood upright before there was an increase in brain size.
Q: The large brain and upright posture
Answer:
of Homo Sapiens did not evolve together.
Q: Most fossils of Hominids
Answer:
are from continents other than North America.
Q: The stomach secretes
Answer:
digestive enzymes, hydrochloric acid, and gastric juices which aid in digestion. The mucous
secreted by the stomach protects the stomach lining from the acids and juices.
Q: Algae and Protozoa belong to the kingdom
Answer:
Protista
Q: Plants and animals obtain usable nitrogen
Answer:
through nitrogen fixing bacteria and lighting.
Q: When the water concentration inside and outside the cell is equal,
Answer:
it is said to be in an isotonic state.
Q: Isotonic Conditions
Answer:
are produced when water passes through the cell membrane by osmosis from an area of higher
concentration to an area of lower concentration, to equalize water concentration.
Q: The effect of a substrate concentration on the initial reaction rate in the presence of a limited
amount of enzyme...
Answer:
will increase the reaction rate as the concentration of substrate is increased until all the enzymes
are used, then the reaction rate will level off.
Q: An enzyme
Answer:
Is a special protein that acts as a catalyst for organic reactions.
Q: A catalyst
Answer:
is a substance that changes the speed of a reaction without being affected itself.
Q: Kingdom Protista
Answer:
Contain one celled eukaryotes such as algae and protozoa.
Q: Kingdom Animalia
Answer:
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