BIO 256 Exam Study Guide Questions
with Correct Answers
Which is NOT an individual's survival need? - Answer-Reproduction
Which of the following statements is true concerning feedback mechanisms? - Answer-
Negative feedback mechanisms work to prevent sudden severe changes within the
body.
Which would be a normal measure of protein in venous blood? - Answer-6.9 g/100ml
Most often, the integrating center in a feedback loop will be located within the - Answer-
Central Nervous System
Any water not contained within the cells is said to be part of the body's _____
compartment. - Answer-extracellular
When stress limits resources for organs, which organ receives top priority for receiving
blood? - Answer-brain
Which is a trace element of the human body? - Answer-Copper
Which is an inorganic molecule? - Answer-O2
Water does NOT - Answer-dissolve triglycerides
Anions have a ____ charge and are formed when they have ____ an electron to/from a
cation. - Answer-negative, gained
A base is defined as any molecule that can - Answer-remove protons from a solution (it
is a proton acceptor)
The normal pH inside your stomach is acidic, and thus, - Answer-lower than 7.
A solution resisting changes in H+ concentration and tending to maintain a stable pH is
called a ____ solution. - Answer-buffer
When molecules have the same chemical formula, with groups arranged in the same
sequence, but differ only in the spatial orientation of key functional groups that form
mirror images, they are called - Answer-stereoisomers.
Steroid hormones are - Answer-lipids.
In humans, the primary form of carbohydrate storage is - Answer-glycogen.
, A steroid may be best described as a - Answer-lipid consisting of four carbon rings and
various functional groups.
Saturated fatty acids have ___ double bond(s). - Answer-0
Which is NOT a part of an amino acid? - Answer-glucose
We have a much greater variety of proteins than polysaccharides in the body, mainly
because - Answer-there are 20 different amino acid building blocks from which protein
molecules are made.
Contractile proteins of muscle consist mostly of - Answer-fibrous protein.
Which is NOT a function of proteins? - Answer-provide genetic code
Which is made using the energy in food molecules and used to do work? - Answer-ATP
RNA is made by ____; protein is made by ____. - Answer-transcription, translation
Which type of RNA is the blueprint for protein synthesis? - Answer-mRNA.
The first amino acid of any protein translated is the same - methionine. - Answer-true
Polyribosomes are seen in cells - Answer-making a lot of one certain protein.
Which is the correct protein translation of the mRNA sequence 5' GUA-AUG-CUU-
UGG-AAG 3'? - Answer-VAL-MET-LEU-TRP-LYS
Which is NOT a primary function of membranes? - Answer-energy storage
Within mammalian cells, the "universal energy carrier" is - Answer-adenosine
triphosphate.
The rate of an enzymatic reaction can be affected by all of the following except -
Answer-osmotic pressure.
How can defects in the same metabolic pathway result in different symptoms in different
individuals? - Answer-Different enzymes may be defective in the same metabolic
pathway, resulting in different diseases.
Nicotinamide adenine dinucleotide (NAD) is - Answer-a coenzyme.
Glucose in broken into 2 pyruvate molecules during (the) - Answer-glycolysis.
with Correct Answers
Which is NOT an individual's survival need? - Answer-Reproduction
Which of the following statements is true concerning feedback mechanisms? - Answer-
Negative feedback mechanisms work to prevent sudden severe changes within the
body.
Which would be a normal measure of protein in venous blood? - Answer-6.9 g/100ml
Most often, the integrating center in a feedback loop will be located within the - Answer-
Central Nervous System
Any water not contained within the cells is said to be part of the body's _____
compartment. - Answer-extracellular
When stress limits resources for organs, which organ receives top priority for receiving
blood? - Answer-brain
Which is a trace element of the human body? - Answer-Copper
Which is an inorganic molecule? - Answer-O2
Water does NOT - Answer-dissolve triglycerides
Anions have a ____ charge and are formed when they have ____ an electron to/from a
cation. - Answer-negative, gained
A base is defined as any molecule that can - Answer-remove protons from a solution (it
is a proton acceptor)
The normal pH inside your stomach is acidic, and thus, - Answer-lower than 7.
A solution resisting changes in H+ concentration and tending to maintain a stable pH is
called a ____ solution. - Answer-buffer
When molecules have the same chemical formula, with groups arranged in the same
sequence, but differ only in the spatial orientation of key functional groups that form
mirror images, they are called - Answer-stereoisomers.
Steroid hormones are - Answer-lipids.
In humans, the primary form of carbohydrate storage is - Answer-glycogen.
, A steroid may be best described as a - Answer-lipid consisting of four carbon rings and
various functional groups.
Saturated fatty acids have ___ double bond(s). - Answer-0
Which is NOT a part of an amino acid? - Answer-glucose
We have a much greater variety of proteins than polysaccharides in the body, mainly
because - Answer-there are 20 different amino acid building blocks from which protein
molecules are made.
Contractile proteins of muscle consist mostly of - Answer-fibrous protein.
Which is NOT a function of proteins? - Answer-provide genetic code
Which is made using the energy in food molecules and used to do work? - Answer-ATP
RNA is made by ____; protein is made by ____. - Answer-transcription, translation
Which type of RNA is the blueprint for protein synthesis? - Answer-mRNA.
The first amino acid of any protein translated is the same - methionine. - Answer-true
Polyribosomes are seen in cells - Answer-making a lot of one certain protein.
Which is the correct protein translation of the mRNA sequence 5' GUA-AUG-CUU-
UGG-AAG 3'? - Answer-VAL-MET-LEU-TRP-LYS
Which is NOT a primary function of membranes? - Answer-energy storage
Within mammalian cells, the "universal energy carrier" is - Answer-adenosine
triphosphate.
The rate of an enzymatic reaction can be affected by all of the following except -
Answer-osmotic pressure.
How can defects in the same metabolic pathway result in different symptoms in different
individuals? - Answer-Different enzymes may be defective in the same metabolic
pathway, resulting in different diseases.
Nicotinamide adenine dinucleotide (NAD) is - Answer-a coenzyme.
Glucose in broken into 2 pyruvate molecules during (the) - Answer-glycolysis.
