Bio Lecture Final Exam NWCC Questions and Answers

Bio Lecture Final Exam NWCC Questions and Answers

Question 1.
In what way(s) can mRNAs be processed?
Correct Answer: All of the above are ways in which mRNAs can be processed

Question 2.
Identify the principal role of cellular respiration.
Correct Answer: to convert the chemical energy of sugars into the chemical
energy that fuels life's processes

Question 3.
Which process produces identical offspring?
Correct Answer: asexual reproduction

Question 4.
Which of the following is the best definition for recombinant DNA?
Correct Answer: DNA that carries genes from two different sources

Question 5.
How do we know green light is not absorbed by chlorophyll?
Correct Answer: green light is the wavelength of light that is reflected instead
of absorbed by the chloroplasts

Question 6.
Water behind a dam has a certain amount of stored energy that can be released as the
water falls over the top of the dam. It may be enough energy to turn a mill wheel or an
electricity-generating turbine. Choose the term that best describes the type of energy
stored in the water at the top of the dam.
Correct Answer: potential

Question 7.
Cell theory states that ________.
Correct Answer: All living things are composed of cells, and cells arise from
preexisting cells

Question 8.
How many chromosomes would be found in the karyotype of a Down syndrome female?
Correct Answer: 47

Question 9.
What is the phenotypic ratio for the offspring of a cross between a homozygous dominant
(ZZ) and a homozygous recessive (zz)?
Correct Answer: all dominant

Question 10.
What molecule(s) link the light reactions (stage 1 of photosynthesis) to the Calvin cycle
(stage 2 of photosynthesis)?
Correct Answer: The electron shuttles (ATP and NADPH)

, Question 11.
Which molecule has a higher potential energy?
Correct Answer: ATP

Question 12.
The spread of cancer cells from their site of origin to sites distant in the body is called
________.
Correct Answer: metastasis

Question 13.
Which of the following is the correct sequence of stages in cellular respiration?
Correct Answer: glycolysis, citric acid cycle, electron transport

Question 14.
Plastids are storage organelles. A chloroplast is a type of plastid. What does a chloroplast
store?
Correct Answer: Chlorophyll

Question 15.
The bulk of the mass of a plant is made from ________.
Correct Answer: sugars made in photosynthesis, which were made from carbon
dioxide

Question 16.
Respiration is called aerobic because ________.
Correct Answer: It requires oxygen

Question 17.
Where does cellular respiration occur?
Correct Answer: mitochondria

Question 18.
If a cell had 12 chromosomes at the beginning of meiosis II, how many would each
daughter cell have after the completion of meiosis II?
Correct Answer: 12

Question 19.
Which of the following mutations can help lead to cancer?
Correct Answer: All of the above would lead to cancer

Question 20.
Three of the following statements are correct. Identify the statement that is not correct
regarding genetically modified organisms.
Correct Answer: There are no risks associated with GM crops

Question 21.
Which of the following organism is not a consumer?
Correct Answer: A oak tree