BIO 340 MIDTERM EXAM NEWEST 2025 COMPLETE QUESTIONS AND ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
What is transcription? - (answer)DNA to RNA
What is translation? - (answer)RNA to protein
To serve as genetic material, molecule must be able to: - (answer)replicate, store information, express
information, allow variation by mutation
Three major types of macromolecules in genetics: - (answer)Deoxyribonucleic acid, ribonucleic acid,
proteins and enzymes
deoxyribonucleic acid (DNA) - (answer)storage molecules for genetic instructions to carry out
metabolism and reproduction
ribonucleic acid (RNA) - (answer)expresses the information in DNA
proteins and enzymes - (answer)build cellular structures and do cellular work
Antigen - (answer)Is a protein or a molecule that your body responds to/ creates an immune response
that the body reacts to
What did Fredrick Griffith identify in pneumococcus? - (answer)Rough and smooth phenotype
The Rough phenotype was - (answer)Non pathogenic in animals
The smooth phenotype was - (answer)Fatal in animals
How could the smooth phenotype convert to the rough phenotype? - (answer)A single gene mutation of
the same antigenic type
,BIO 340 MIDTERM EXAM NEWEST 2025 COMPLETE QUESTIONS AND ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
What are the four antigenic types? - (answer)I, II, III, and IV
In Fredrick's mice experiment, what happened to the mice when it was Injected with the smooth
phenotype? - (answer)It died
In Fredrick's mice experiment, what happened when the mice was inject with the heated smooth
phenotype? - (answer)It lived
In Fredrick's mice experiment, what happened to the mice when it was injected with the rough
phenotype? - (answer)It lived
In Fredrick's mice experiment, what happened to the mice when it was in heated with the combination
of the heated smooth phenotype and the regular rough phenotype? - (answer)It died
What is the central dogma? - (answer)DNA -> RNA -> Protein
from one generation to the next... - (answer)1.DNA stores genetic information
2. Information is duplicated by replication and is passed onto the next generation
DNA and RNA are both - (answer)polymers of nucleotides
Nucleotides are composed of - (answer)1. Phosphate group
2. Sugar (deoxyribose or ribose)
3. Nitrogenous base (purines and pyrimidines)
RNA nucleotide has - (answer)1. Phosphate group
, BIO 340 MIDTERM EXAM NEWEST 2025 COMPLETE QUESTIONS AND ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
2. Ribose sugar
3. Nitrogenous base (purines and pyrimidines)
DNA nucleotide has - (answer)1. Phosphate group
2. Deoxyribose sugar
3. Nitrogenous base (purines and pyrimidines)
What does deoxy mean? - (answer)without oxygen
What are purines? - (answer)Adenine (A) and Guanine (G)
What are pyrimidines? - (answer)cytosine, thymine, uracil
What is a nucleoside? - (answer)1. Nitrogenous base
2. Penrose sugar
3. Purine or pyrimidine base
4. Ribose or deoxyribose sugar
Ribonucleosides have.. - (answer)adenosine, guanosine, uridine, cytidine
triphosphates do what? - (answer)Serve as a precursor molecule during nucleic acid synthesis
Types of triphosphates? - (answer)ATP and GTP (both of them use a large amount of energy in
adding/removing a terminal phosphate group)
phosphodiester bond - (answer)Nucleotides are bound together by them
ANSWERS) |ALREADY GRADED A+
What is transcription? - (answer)DNA to RNA
What is translation? - (answer)RNA to protein
To serve as genetic material, molecule must be able to: - (answer)replicate, store information, express
information, allow variation by mutation
Three major types of macromolecules in genetics: - (answer)Deoxyribonucleic acid, ribonucleic acid,
proteins and enzymes
deoxyribonucleic acid (DNA) - (answer)storage molecules for genetic instructions to carry out
metabolism and reproduction
ribonucleic acid (RNA) - (answer)expresses the information in DNA
proteins and enzymes - (answer)build cellular structures and do cellular work
Antigen - (answer)Is a protein or a molecule that your body responds to/ creates an immune response
that the body reacts to
What did Fredrick Griffith identify in pneumococcus? - (answer)Rough and smooth phenotype
The Rough phenotype was - (answer)Non pathogenic in animals
The smooth phenotype was - (answer)Fatal in animals
How could the smooth phenotype convert to the rough phenotype? - (answer)A single gene mutation of
the same antigenic type
,BIO 340 MIDTERM EXAM NEWEST 2025 COMPLETE QUESTIONS AND ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
What are the four antigenic types? - (answer)I, II, III, and IV
In Fredrick's mice experiment, what happened to the mice when it was Injected with the smooth
phenotype? - (answer)It died
In Fredrick's mice experiment, what happened when the mice was inject with the heated smooth
phenotype? - (answer)It lived
In Fredrick's mice experiment, what happened to the mice when it was injected with the rough
phenotype? - (answer)It lived
In Fredrick's mice experiment, what happened to the mice when it was in heated with the combination
of the heated smooth phenotype and the regular rough phenotype? - (answer)It died
What is the central dogma? - (answer)DNA -> RNA -> Protein
from one generation to the next... - (answer)1.DNA stores genetic information
2. Information is duplicated by replication and is passed onto the next generation
DNA and RNA are both - (answer)polymers of nucleotides
Nucleotides are composed of - (answer)1. Phosphate group
2. Sugar (deoxyribose or ribose)
3. Nitrogenous base (purines and pyrimidines)
RNA nucleotide has - (answer)1. Phosphate group
, BIO 340 MIDTERM EXAM NEWEST 2025 COMPLETE QUESTIONS AND ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
2. Ribose sugar
3. Nitrogenous base (purines and pyrimidines)
DNA nucleotide has - (answer)1. Phosphate group
2. Deoxyribose sugar
3. Nitrogenous base (purines and pyrimidines)
What does deoxy mean? - (answer)without oxygen
What are purines? - (answer)Adenine (A) and Guanine (G)
What are pyrimidines? - (answer)cytosine, thymine, uracil
What is a nucleoside? - (answer)1. Nitrogenous base
2. Penrose sugar
3. Purine or pyrimidine base
4. Ribose or deoxyribose sugar
Ribonucleosides have.. - (answer)adenosine, guanosine, uridine, cytidine
triphosphates do what? - (answer)Serve as a precursor molecule during nucleic acid synthesis
Types of triphosphates? - (answer)ATP and GTP (both of them use a large amount of energy in
adding/removing a terminal phosphate group)
phosphodiester bond - (answer)Nucleotides are bound together by them
