chapter 3 anatomy
Which of the following organelles produces large quantities of ATP when both glucose and oxygen are available to the cell?
a. mitochondria
Which of the following is a function of the rough ER?
a. production of proteins
Which of the following phases is characterized by preparation for DNA synthesis?
b. G1
The nucleus and mitochondria share which of the following features?
b. a double cell membrane
Which of the following is part of the elongation step of DNA synthesis?
b. attaching complementary nucleotides to the template strand
Because they are embedded within the membrane, ion channels are examples of ________.
b. integral proteins
Choose the answer that best completes the following analogy: Diffusion is to ________ as endocytosis is to ________.
b. osmosis; pinocytosis
The rough ER has its name due to what associated structures
b. ribosomes
What is a primary function of tumor suppressor genes?
b. stop certain cells from dividing
How many "letters" of an RNA molecule, in sequence, does it take to provide the code for a single amino acid?
c. 3
Which of the following sequences on a DNA molecule would be complementary to GCTTATAT?
c. CGAATATA
Which of the following is a feature common to all three components of the cytoskeleton?
c. They are all polymers of protein subunits.
Ion pumps and phagocytosis are both examples of ________.
c. active transport
What multipotent stem cells from children sometimes banked by parents?
c. cells from the umbilical cord and from baby teeth
Which type of stem cell gives rise to red and white blood cells?
c. hematopoietic
Which of the following structures could be found within the nucleolus?
c. ribosomes
The diffusion of substances within a solution tends to move those substances ________ their ________ gradient
d. down; concentration
Arrange the following terms in order of increasing specialization: oligopotency, pleuripotency, unipotency, multipotency.
d. pleuripotency, multipotency, oligopotency, unipotency
Choose the term that best completes the following analogy: Cytoplasm is to cytosol as a swimming pool containing chlorine and flotation toys is to ________.
d. the water
Which of the following is not a difference between DNA and RNA?
NA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars
Place the following structures in order from least to most complex organization: chromatin, nucleosome, DNA, chromosome
a. DNA, nucleosome, chromatin, chromosome
A mutation in the gene for a cyclin protein might result in which of the following?
a. a cell with additional genetic material than normal b. cancer c. a cell with less genetic material than normal d. any of the above*
Transcription and translation take place in the ________ and ________, respectively.
a. nucleus; cytoplasm
Which of the following is not made out of RNA?
b. the ribosome
