BSC2010 (IRSC) Final Exam Questions and Answers with Verified
Solutions | Latest Update
QUESTION
Requirements for Natural Selection
Answer:
individual variation, variation must affect reproductive success, variation must have a genetic
basis
QUESTION
Genetic Drift
Answer:
A change in the allele frequency of a population as a result of chance events rather than natural
selection.
QUESTION
Scientific Theory
Answer:
a well-tested concept that explains a wide range of observations
QUESTION
Crossing-over
Answer:
Process in which homologous chromosomes exchange portions of their chromatids - occurs
during prophase 1
QUESTION
Difference between passive transport and active transport
Answer:
passive: does not require energy to move across a concentration gradient; active: requires ATP
, QUESTION
Which of the following is NOT true about DNA?
A) It has the structure of a double helix.
B) Bases between the two strands are held together by hydrogen bonds.
C) Bases are complementary to each other.
D) DNA incorporates a deoxyribose sugar.
E) DNA contains adenine, guanine, cytosine, and uracil.
Answer:
E) Because DNA does NOT contain uracil
QUESTION
Monomer
Answer:
A simple compound whose molecules can join together to form polymers
QUESTION
Polymers
Answer:
large compound formed from combinations of many monomers
QUESTION
Proteins monomer
Answer:
amino acids (20)
QUESTION
Carbohydrates monomer
Answer:
glucose
QUESTION
nucleotide monomers
Answer:
nucleic acids
Solutions | Latest Update
QUESTION
Requirements for Natural Selection
Answer:
individual variation, variation must affect reproductive success, variation must have a genetic
basis
QUESTION
Genetic Drift
Answer:
A change in the allele frequency of a population as a result of chance events rather than natural
selection.
QUESTION
Scientific Theory
Answer:
a well-tested concept that explains a wide range of observations
QUESTION
Crossing-over
Answer:
Process in which homologous chromosomes exchange portions of their chromatids - occurs
during prophase 1
QUESTION
Difference between passive transport and active transport
Answer:
passive: does not require energy to move across a concentration gradient; active: requires ATP
, QUESTION
Which of the following is NOT true about DNA?
A) It has the structure of a double helix.
B) Bases between the two strands are held together by hydrogen bonds.
C) Bases are complementary to each other.
D) DNA incorporates a deoxyribose sugar.
E) DNA contains adenine, guanine, cytosine, and uracil.
Answer:
E) Because DNA does NOT contain uracil
QUESTION
Monomer
Answer:
A simple compound whose molecules can join together to form polymers
QUESTION
Polymers
Answer:
large compound formed from combinations of many monomers
QUESTION
Proteins monomer
Answer:
amino acids (20)
QUESTION
Carbohydrates monomer
Answer:
glucose
QUESTION
nucleotide monomers
Answer:
nucleic acids
