BIOL 351/ BIOL351 Exam Lab 1, 2 &
Exam 3: (Latest 2026/ 2027 Update)
100% Verified Questions & Answers |
A Grade
➢ Exam 1 ……………………………………………………………1
➢ Exam 2……………………………………………………………. 24
➢ Exam 3……………………………………………………………. 71
Exam 1 Description
This BIOL 351 exam 1 cover fundamental biology, focusing on Microbiology (cell structure, prokaryotes
vs. eukaryotes, microbial metabolism, taxonomy, labs) or Evolution (natural selection, genetics,
speciation, phylogeny), topics ranging from basic life characteristics, the scientific method, origins of life
(RNA world, hydrothermal vents), to specific cellular processes and molecular biology like the Central
Dogma, genes, and protein synthesis, testing definitions, concepts, and applications through multiple-
choice and problem-solving.
BIOL 351 Exam 1 Topics
Fundamentals of Biology: Characteristics of life, levels of organization, the scientific method, domains of
life (Bacteria, Archaea, Eukarya).
Microbiology Focus (e.g., at TAMU):
Cell Biology: Prokaryotic vs. Eukaryotic cells, cell membrane (Fluid Mosaic Model, structure), cytoplasm,
ribosomes, cell walls (Gram stain, LPS).
Microbial Metabolism & Genetics: Energy conservation, ATP, Central Dogma (DNA to RNA to Protein),
genes, mutations, testcrosses.
Microbial Evolution & Taxonomy: rRNA for phylogeny, hydrothermal vents as origin sites, RNA world,
stromatolites, binomial nomenclature, phylogenetic relationships.
Lab Skills: Streak plate, pour plates, microscopy, autoclaving, inocular loop safety.
Evolution Focus Natural selection, genetic drift, gene flow, speciation, phylogenetic analysis, population
genetics, antibiotic resistance.
Developmental Biology Focus (e.g., Stem Cells): Stem cell types (totipotent, pluripotent, multipotent),
self-renewal, embryonic vs. adult stem cells.
1
, Quiz_________________?
What would you use to clean lens immersion oil off of your
objective lens before putting your microscope away? -
Answer
Special lens paper
Quiz_________________?
What is an ocular micrometer? -
Answer
It is a ruler
Quiz_________________?
How much distance is between each line in an ocular
micrometer? -
Answer
You can't answer this unless you know the calibration for what
magnification you are on
2
, Quiz_________________?
What kind of microscope will you be using in this laboratory
exercise? -
Answer
A light microscope
Quiz_________________?
Which of the following is the reason a simple stain will stick to
a bacteria? -
Answer
They are positively charged and the bacteria are negatively
charged
Quiz_________________?
How much water would you use on a slide when doing a
bacterial smear procedure? -
Answer
A very small amount
3
, Quiz_________________?
What is the correct term for a chemical that helps to fix
another chemical in place by complexing with it? -
Answer
mordant
Quiz_________________?
After which of the following steps in the Gram stain process
could you detect a difference between Gram + and Gram-
bacteria if you looked really hard? -
Answer
After de-colorization with alcohol
Quiz_________________?
Which of the following is NOT a source of getting a poor/
inconsistent Gram stain? -
Answer
Making sure to air dry the smear before heat fixing
4
Exam 3: (Latest 2026/ 2027 Update)
100% Verified Questions & Answers |
A Grade
➢ Exam 1 ……………………………………………………………1
➢ Exam 2……………………………………………………………. 24
➢ Exam 3……………………………………………………………. 71
Exam 1 Description
This BIOL 351 exam 1 cover fundamental biology, focusing on Microbiology (cell structure, prokaryotes
vs. eukaryotes, microbial metabolism, taxonomy, labs) or Evolution (natural selection, genetics,
speciation, phylogeny), topics ranging from basic life characteristics, the scientific method, origins of life
(RNA world, hydrothermal vents), to specific cellular processes and molecular biology like the Central
Dogma, genes, and protein synthesis, testing definitions, concepts, and applications through multiple-
choice and problem-solving.
BIOL 351 Exam 1 Topics
Fundamentals of Biology: Characteristics of life, levels of organization, the scientific method, domains of
life (Bacteria, Archaea, Eukarya).
Microbiology Focus (e.g., at TAMU):
Cell Biology: Prokaryotic vs. Eukaryotic cells, cell membrane (Fluid Mosaic Model, structure), cytoplasm,
ribosomes, cell walls (Gram stain, LPS).
Microbial Metabolism & Genetics: Energy conservation, ATP, Central Dogma (DNA to RNA to Protein),
genes, mutations, testcrosses.
Microbial Evolution & Taxonomy: rRNA for phylogeny, hydrothermal vents as origin sites, RNA world,
stromatolites, binomial nomenclature, phylogenetic relationships.
Lab Skills: Streak plate, pour plates, microscopy, autoclaving, inocular loop safety.
Evolution Focus Natural selection, genetic drift, gene flow, speciation, phylogenetic analysis, population
genetics, antibiotic resistance.
Developmental Biology Focus (e.g., Stem Cells): Stem cell types (totipotent, pluripotent, multipotent),
self-renewal, embryonic vs. adult stem cells.
1
, Quiz_________________?
What would you use to clean lens immersion oil off of your
objective lens before putting your microscope away? -
Answer
Special lens paper
Quiz_________________?
What is an ocular micrometer? -
Answer
It is a ruler
Quiz_________________?
How much distance is between each line in an ocular
micrometer? -
Answer
You can't answer this unless you know the calibration for what
magnification you are on
2
, Quiz_________________?
What kind of microscope will you be using in this laboratory
exercise? -
Answer
A light microscope
Quiz_________________?
Which of the following is the reason a simple stain will stick to
a bacteria? -
Answer
They are positively charged and the bacteria are negatively
charged
Quiz_________________?
How much water would you use on a slide when doing a
bacterial smear procedure? -
Answer
A very small amount
3
, Quiz_________________?
What is the correct term for a chemical that helps to fix
another chemical in place by complexing with it? -
Answer
mordant
Quiz_________________?
After which of the following steps in the Gram stain process
could you detect a difference between Gram + and Gram-
bacteria if you looked really hard? -
Answer
After de-colorization with alcohol
Quiz_________________?
Which of the following is NOT a source of getting a poor/
inconsistent Gram stain? -
Answer
Making sure to air dry the smear before heat fixing
4
