BIOS 256 Questions with Verified Correct
Answers
Which of the following statements is true concerning feedback mechanisms?
Negative feedback mechanisms work to prevent sudden severe changes within the body.
Why does your heart require a constant blood flow, even during stress, such as with intense
exercise?
to provide for blood pumping to all tissues
Mitosis is a process that
produces identical daughter cells
All but one of these is required to allow genetic information to dictate a protein's primary
sequence. Which is NOT involved in transcription or translation?
DNA polymerase
What is the correct protein translation of the mRNA sequence 5' GGG-CUC-AGG-AUU-
UGU 3'?
GLY-LEU-ARG-ILE-CYS
Which of the following energy storage nutrient molecules provides the greatest amount of
energy in calories (kilocalories) per gram?
fat
DNA nucleotide bases include ____, but RNA bases include ___.
, Thymine, uracil
Enzymatic reactions in the body are important because
they speed up the rate of reactions that would occur too slowly to
sustain life.
Which is the fluid found between cells in your tissues, but not in your blood?
interstitial fluid
In humans, the primary form of carbohydrate storage is
Glycogen.
One of structural subunits of an amino acid is the -NH2functional group, also called
an amino group
Enzymes are _______ proteins.
Globular
Which is NOT a function of proteins?
provide genetic code
How can defects in the same metabolic pathway result in different symptoms in different
individuals?
Different enzymes may be defective in the same metabolic pathway, resulting in different
diseases.
With anaerobic respiration in humans, glucose metabolism results in the production of
Answers
Which of the following statements is true concerning feedback mechanisms?
Negative feedback mechanisms work to prevent sudden severe changes within the body.
Why does your heart require a constant blood flow, even during stress, such as with intense
exercise?
to provide for blood pumping to all tissues
Mitosis is a process that
produces identical daughter cells
All but one of these is required to allow genetic information to dictate a protein's primary
sequence. Which is NOT involved in transcription or translation?
DNA polymerase
What is the correct protein translation of the mRNA sequence 5' GGG-CUC-AGG-AUU-
UGU 3'?
GLY-LEU-ARG-ILE-CYS
Which of the following energy storage nutrient molecules provides the greatest amount of
energy in calories (kilocalories) per gram?
fat
DNA nucleotide bases include ____, but RNA bases include ___.
, Thymine, uracil
Enzymatic reactions in the body are important because
they speed up the rate of reactions that would occur too slowly to
sustain life.
Which is the fluid found between cells in your tissues, but not in your blood?
interstitial fluid
In humans, the primary form of carbohydrate storage is
Glycogen.
One of structural subunits of an amino acid is the -NH2functional group, also called
an amino group
Enzymes are _______ proteins.
Globular
Which is NOT a function of proteins?
provide genetic code
How can defects in the same metabolic pathway result in different symptoms in different
individuals?
Different enzymes may be defective in the same metabolic pathway, resulting in different
diseases.
With anaerobic respiration in humans, glucose metabolism results in the production of
