WGU C190 intro to biology Unit 3 Exam Questions and Answers
with Verified Solutions | Latest 2026 Update
Q: Prokaryote
Answer:
small, simple, single-cell organisms.bacteria are the most prevalent kind.
Q: Eukaryotes
Answer:
larger, and most often they are multi cellular organisms, including plants, animals
and fungi.
Q: Cell Membrane
Answer:
provides a barrier between the interior and exterior of the cell and it regulates the
flow of substances in and out of the cell.
Q: Cytoplasm
Answer:
the space in which the chemical reactions that enable life take place. it is the fluid
that occupies the space inside the cell.
Q: Ribosomes
Answer:
are the molecular machines that use the instructions contained in the DNA to build
all the proteins needed by the cell.
Unlike eukaryotic cells, prokaryotic cells:
have no plasma membrane
have RNA but not DNA
have no nucleus
Q: all of the above
Answer:
C) have no nucleus
, Q: Antibiotics are medications that are used to fight bacterial infections in
humans and other eukaryotes. Consider the following statements; which one
is probably true about antibiotics?
Antibiotics are only poisonous to prokaryotic cells.
Antibiotics are only poisonous to eukaryotic cells.
Antibiotics are poisonous to all cells. This is why you shouldn't take antibiotics
very often.
Answer:
A) Antibiotics are only poisonous to prokaryotic cells.
Q: You find a cell and examine it under a microscope. You are able to see that
the cell has a nucleus. What can you conclude about this cell?
the cell is a eukaryote.
you cannot draw conclusions given just this information.
The cell is a prokaryote.
Answer:
a) the cell is a eukaryote.
Q: Which of the following structures is found in BOTH prokaryotes and
eukaryotes?
Nucelus
Mitochondria
DNA
Ribosome
Cytoplasm
Answer:
Ribosome, Cytoplasm and DNA.
Q: Nucleus
Answer:
Control center of the cell and it stores DNA.
Q: nucelar envelope
with Verified Solutions | Latest 2026 Update
Q: Prokaryote
Answer:
small, simple, single-cell organisms.bacteria are the most prevalent kind.
Q: Eukaryotes
Answer:
larger, and most often they are multi cellular organisms, including plants, animals
and fungi.
Q: Cell Membrane
Answer:
provides a barrier between the interior and exterior of the cell and it regulates the
flow of substances in and out of the cell.
Q: Cytoplasm
Answer:
the space in which the chemical reactions that enable life take place. it is the fluid
that occupies the space inside the cell.
Q: Ribosomes
Answer:
are the molecular machines that use the instructions contained in the DNA to build
all the proteins needed by the cell.
Unlike eukaryotic cells, prokaryotic cells:
have no plasma membrane
have RNA but not DNA
have no nucleus
Q: all of the above
Answer:
C) have no nucleus
, Q: Antibiotics are medications that are used to fight bacterial infections in
humans and other eukaryotes. Consider the following statements; which one
is probably true about antibiotics?
Antibiotics are only poisonous to prokaryotic cells.
Antibiotics are only poisonous to eukaryotic cells.
Antibiotics are poisonous to all cells. This is why you shouldn't take antibiotics
very often.
Answer:
A) Antibiotics are only poisonous to prokaryotic cells.
Q: You find a cell and examine it under a microscope. You are able to see that
the cell has a nucleus. What can you conclude about this cell?
the cell is a eukaryote.
you cannot draw conclusions given just this information.
The cell is a prokaryote.
Answer:
a) the cell is a eukaryote.
Q: Which of the following structures is found in BOTH prokaryotes and
eukaryotes?
Nucelus
Mitochondria
DNA
Ribosome
Cytoplasm
Answer:
Ribosome, Cytoplasm and DNA.
Q: Nucleus
Answer:
Control center of the cell and it stores DNA.
Q: nucelar envelope