LSU Bio 1201 Final Exam Pomarico
ACCURATE 100%
Which four elements make up 90% of life? - ANSWER C, H, N, O
Does DNA have uracil or thymine? - ANSWER Thymine
What is a macromolecule? - ANSWER Molecule made up of polymers
What are the complementary base pairs in DNA - ANSWER A-T, G-C
Which of the following are not pyrimidines?
T, C, U, A, G - ANSWER A, G
What causes an element to become an isotope? - ANSWER Change in # of neutrons
What is an enantiomer? - ANSWER Two molecules that are mirror images of each other
What characteristic is specific of tertiary structure? - ANSWER Interactions with side
chains
What is a hydrogen bond? - ANSWER A bond between a hydrogen with a partial
positive & partial negative charge atom (usually oxygen and nitrogen)
Spider walking on water is a result of - ANSWER Surface tension; cohesion
Which of the following would most likely have a polar bond?
CH, CO, OO, CN, NH - ANSWER CO and NH
Products of cellular respiration - ANSWER CO2, water, energy
What is the most important product of anaerobic respiration? - ANSWER Regeneration
of NAD+
What happens to Co2 in the Calvin Benson cycle? - ANSWER Fixation/reduction;
incorporation into sugar molecules
Where does the most energy production occur in cellular respiration? - ANSWER
Oxidative phosphorylation
What are the properties of a proton compared to neutrons and electrons? - ANSWER
Heavy, positive
Which molecules can cross the membrane the easiest? - ANSWER Nonpolar, small
, Which isomer has a carbon-carbon double bond? - ANSWER Geometric/cis trans
Why is carbon the most versatile organic element? - ANSWER Ability to make 4 bonds
Which enzyme is involved in DNA replication? - ANSWER DNA polymerase
Which process expels some material out of a cell? - ANSWER Exocytosis
What processes require a transport protein? - ANSWER Active transport, or facilitated
diffusion in passive transport
If a cell has 22 autosomes and an XX sex chromosome, what type of cell is it? -
ANSWER Unfertilized egg
In order for a gamete to become fertilized, it must go through the processes: - ANSWER
Diploid -> meiosis-> haploid->fertilization
What type of sex chromosome combination is lethal? - ANSWER Anything without an X;
ex. YO
Most successful blood types to cross in an attempt to get type O blood - ANSWER A x
B
Which phase in the cell cycle synthesizes DNA - ANSWER S phase
When does synapsis occur? - ANSWER Prophase I (meiosis I)
Name pH in their varying ranges of acidity and basic - ANSWER pH 1= very acidic, pH
4= slightly acidic, pH7= neutral, pH 10= slightly basic, pH 14= very basic
Stages of mitosis - ANSWER prophase, metaphase, anaphase, telophase
Alternate form of a gene - ANSWER Allele
tRNA has - ANSWER amino acid on one end and anticodon on other end
Genes located on the same chromosome - ANSWER Linked genes
Crossing two heterozygous individuals results in the ratio of - ANSWER 9:3:3:1
Morgan's term for the dominant phenotype is ____, denoted by ____. - ANSWER Wild-
type, w+
Morgan's term for the recessive phenotype is ____, denoted by ____. - ANSWER
mutant; w
ACCURATE 100%
Which four elements make up 90% of life? - ANSWER C, H, N, O
Does DNA have uracil or thymine? - ANSWER Thymine
What is a macromolecule? - ANSWER Molecule made up of polymers
What are the complementary base pairs in DNA - ANSWER A-T, G-C
Which of the following are not pyrimidines?
T, C, U, A, G - ANSWER A, G
What causes an element to become an isotope? - ANSWER Change in # of neutrons
What is an enantiomer? - ANSWER Two molecules that are mirror images of each other
What characteristic is specific of tertiary structure? - ANSWER Interactions with side
chains
What is a hydrogen bond? - ANSWER A bond between a hydrogen with a partial
positive & partial negative charge atom (usually oxygen and nitrogen)
Spider walking on water is a result of - ANSWER Surface tension; cohesion
Which of the following would most likely have a polar bond?
CH, CO, OO, CN, NH - ANSWER CO and NH
Products of cellular respiration - ANSWER CO2, water, energy
What is the most important product of anaerobic respiration? - ANSWER Regeneration
of NAD+
What happens to Co2 in the Calvin Benson cycle? - ANSWER Fixation/reduction;
incorporation into sugar molecules
Where does the most energy production occur in cellular respiration? - ANSWER
Oxidative phosphorylation
What are the properties of a proton compared to neutrons and electrons? - ANSWER
Heavy, positive
Which molecules can cross the membrane the easiest? - ANSWER Nonpolar, small
, Which isomer has a carbon-carbon double bond? - ANSWER Geometric/cis trans
Why is carbon the most versatile organic element? - ANSWER Ability to make 4 bonds
Which enzyme is involved in DNA replication? - ANSWER DNA polymerase
Which process expels some material out of a cell? - ANSWER Exocytosis
What processes require a transport protein? - ANSWER Active transport, or facilitated
diffusion in passive transport
If a cell has 22 autosomes and an XX sex chromosome, what type of cell is it? -
ANSWER Unfertilized egg
In order for a gamete to become fertilized, it must go through the processes: - ANSWER
Diploid -> meiosis-> haploid->fertilization
What type of sex chromosome combination is lethal? - ANSWER Anything without an X;
ex. YO
Most successful blood types to cross in an attempt to get type O blood - ANSWER A x
B
Which phase in the cell cycle synthesizes DNA - ANSWER S phase
When does synapsis occur? - ANSWER Prophase I (meiosis I)
Name pH in their varying ranges of acidity and basic - ANSWER pH 1= very acidic, pH
4= slightly acidic, pH7= neutral, pH 10= slightly basic, pH 14= very basic
Stages of mitosis - ANSWER prophase, metaphase, anaphase, telophase
Alternate form of a gene - ANSWER Allele
tRNA has - ANSWER amino acid on one end and anticodon on other end
Genes located on the same chromosome - ANSWER Linked genes
Crossing two heterozygous individuals results in the ratio of - ANSWER 9:3:3:1
Morgan's term for the dominant phenotype is ____, denoted by ____. - ANSWER Wild-
type, w+
Morgan's term for the recessive phenotype is ____, denoted by ____. - ANSWER
mutant; w
