Biology 1101 UNCC Exam 2
If given 20% cytosine how much thymine would be present?
30% thymine
All of the following are ways that cancer can develop except....
All of the above are ways to develop cancer
All of the following are examples of specific groups that experience disparities in cancer rates?
All of the examples are groups that have disparities in cancer rates
Which of the following occurs during the development of cancer?
All of these occur
In which stage is chromosome number unduplicated?
Anaphase
Which cancer treatment is incorrectly matched?
Angiogeneis: train immune system to attack cancer cells
What is your body's preferred macromolecule for energy?
Carbohydrates
Cell A has a singular, circular chromosome. Cell B has linear chromosomes.
Cell A is prokaryotic. Cell B is eukaryotic.
All of the following describe a prokaryotic chromosome except...
Chromosome is linear
Which of the following molecules unwinds or unzips the double helix during DNA replication?
DNA Helicase
Which molecule rebuilds new strands of DNA after the DNA has been unwinded?
DNA plymerase
What enzyme is able to proofread and fix mistakes made when rebuilding a DNA strand?
DNA polymerase
Details of the S phase are
DNA synthesis occurs as the chromosomes are duplicated
T/F. Cancer is also known as controllable cell division.
False
T/F. Chromosome number is directly related to complexity.
False
Which of the following pair is correctly matched?
G0 phase- used by muscle and nerve cells
What step is common to both aerobic and anaerobic respiration?
Glycolysis
Which of the following is matched correctly?
Metaphase: chromosomes line up down the middle
Which of the following is a product of glycolysis?
Pyruvate
What kind of cells do mitosis?
Somatic cells
Cancer cells that can metastasize do what?
Spread
When you exhale, what two stages of cellular respiration produce the CO2 that you exhale?
The Preparatory Reaction and Citric Acid Cycle
Aerobic cellular respiration produces more ATP than anaerobic
True
T/F. A duplicated chromosome has two sister chromatids that are genetically identical.
True
Which of the following is not a characteristic of cancerous cells?
Undergoing apoptosis
Which of the following checkpoints is matched incorrectly?
all are matched correctly
Mutations are
all of the above
What are the products of the citric acid cycle?
all of the above
Which of the following is not part of the nucleotide (DNA) structure?
chromosome
Glycolysis occurs in ______, the citric acid cycle occurs in _________ and the ETC occurs in the __________.
cytoplasm, middle of mitochondria, inner membrane of mitochondria
The electron carriers, NADH and FADH2 are produced in all of the following except
electron transport chain
Mitosis generates
genetically identical cells
Why do eukaryotic organisms perform mitosis?
growth and replacement
Eukaryotic DNA is wrapped around proteins called
histones
Which of the following is not part of mitosis?
interphase
What is the final electron acceptor at the end of the electron transport chain?
oxygen
Which is not a characteristic of binary fission?
results in two genetically different daughter cells
Each new DNA molecule is made of parent strand and one new strand. This process is called:
semi conservative process
Clonal hetero geneity makes cancer treatment very difficult because
sub-clones of cancer with differing DNA are formed
The function of the G2 checkpoint is to
verify that DNA replicated and that any damage is repaired
Anaerobic respiration is used ______
when oxygen is not available