BIO 101 LAB FINAL EXAM UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Question:
1. the electron transport chain, the final electron is
Answer:
oxygen
Question:
2. the general types for bacterial cells are the sphere
shaped
Answer:
coccus rod shaped bacillus and the spiral shaped spirilla
Question:
3. gametes, or sex cells, are produced by a significant cell
division called
Answer:
meiosis 1
Question:
4. general equation of photosynthesis
Answer:
6CO2 + 12H2O + light ----> C6H12O6 + 6H2O + 6O2
Question:
5. the two types of fermentation studied in the cellular
respiration lab were
Answer:
alcohol and lactic acid fermentation
Question:
6. what is the role of Ethidium Bromide in DNA
electrophoresis?
Answer:
to make DNA fragments glow when exposed to UV light
, Question:
7. during the cellular respiration lab, bromothymol blue was
use to detect CO2. what did you observe to let you know
CO2 was present?
Answer:
when CO2 gas bubbles through a brothymol blue indicator solution the indicator
solution turns yellow
Question:
8. using the absorbance spectrum, which wavelengths are
absorbed the best? what colors of light correspond to
those wavelengths?
Answer:
400-500
violet blue
Question:
9. the process of DNA electrophoresis separates DNA
fragments based on size and or
Answer:
change
Question:
10. a fruit fly that is homozygous dominant for both eye color
and wing shape is crossed with a fruit fly that is
homozygous recessive for both. if these two flies are the
P generation, indicate the phenotypic ratio for for the F2
generation
Answer:
all phenotypes are black eyed with smooth wings
Question:
11. a gram positive bacteria will appear dark purple because
of a
Answer:
simple layer of peptidoglycan
QUESTIONS AND CORRECT ANSWERS
Question:
1. the electron transport chain, the final electron is
Answer:
oxygen
Question:
2. the general types for bacterial cells are the sphere
shaped
Answer:
coccus rod shaped bacillus and the spiral shaped spirilla
Question:
3. gametes, or sex cells, are produced by a significant cell
division called
Answer:
meiosis 1
Question:
4. general equation of photosynthesis
Answer:
6CO2 + 12H2O + light ----> C6H12O6 + 6H2O + 6O2
Question:
5. the two types of fermentation studied in the cellular
respiration lab were
Answer:
alcohol and lactic acid fermentation
Question:
6. what is the role of Ethidium Bromide in DNA
electrophoresis?
Answer:
to make DNA fragments glow when exposed to UV light
, Question:
7. during the cellular respiration lab, bromothymol blue was
use to detect CO2. what did you observe to let you know
CO2 was present?
Answer:
when CO2 gas bubbles through a brothymol blue indicator solution the indicator
solution turns yellow
Question:
8. using the absorbance spectrum, which wavelengths are
absorbed the best? what colors of light correspond to
those wavelengths?
Answer:
400-500
violet blue
Question:
9. the process of DNA electrophoresis separates DNA
fragments based on size and or
Answer:
change
Question:
10. a fruit fly that is homozygous dominant for both eye color
and wing shape is crossed with a fruit fly that is
homozygous recessive for both. if these two flies are the
P generation, indicate the phenotypic ratio for for the F2
generation
Answer:
all phenotypes are black eyed with smooth wings
Question:
11. a gram positive bacteria will appear dark purple because
of a
Answer:
simple layer of peptidoglycan
