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UTSA Cell Biology Final Exam 2024/2025 ;100% complete newest version guide (verified)
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UTSA Cell Biology Final Exam 2024/2025 ;100% complete newest version guide (verified)
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UTSA Cell Biology: Final Exam2 - ANS-Modern eukaryotes depend on mitochondria to generate most of the cell's ATP. How
many molecules of ATP can a single molecule of glucose generate?
3 to 5 - ANS-In which direction is DNA read during transcription
5 to 3 - ANS-In which direction is DNA synthesized?
5-carbon sugar (deoxyribose or ribose), Phosphate group (PO4), Nitrogenous base (A, T, G, C)
- ANS-Describe the molecular structure of a nucleotide
5′-AAGCGCTT-3 - ANS-Which of the following DNA strands can form a DNA duplex by pairing
with itself at each position?
5′-ATGCAATC-3′ - ANS-You are interested in a single-stranded DNA molecule that contains the
following
sequence: 5′- .....GATTGCAT.... -3′. Which molecule can be used as a probe that will hybridize
to your sequence of interest?
5′CCCUAAAAAAAAAAAAAAAAUUUUUUUUUUUUUUUU AGGG-3′ - ANS-Which of the
following molecules of RNA would you predict to be the most likely to fold into a specific
structure as a result of intramolecular base-pairing?
7 - ANS-Starting with one double stranded DNA PCR to produce 100 double stranded copies?
96 - ANS-In the membrane of a human red blood cell the ration of the mass of the protein
(average molecular weight 50,000) to phospholipid (average molecular weight 800) t cholesterol
(molecular weight 386) is about 2:1:1. How many lipid molecules (phospholipid + cholesterol)
are there for every protein molecule?
a gene that has the potential to cause cancer - ANS-What are oncogenes
a muscle cell that has a defect in guanylyl cyclase such that it constitutively converts GTP to
cyclic GMP - ANS-The figure below shows the pathway through which NO triggers smooth
muscle...
a nucleus - ANS-By definition, prokaryotic cells do not possess _________
a water molecule. - ANS-Polypeptides are synthesized from amino acid building blocks. The
condensation reaction between the growing polypeptide chain and the next amino acid to be
added involves the loss of
, active transport - ANS-Pumps are transporters that are able to harness energy provided by
other components in the cells to drive the movement of solutes across membranes, against their
concentration gradient. This type of transport is called
All amino acids contain an NH2 and a COOH group - ANS-Which of the following statements
about amino acids is true?
All eukaryotic cells have actin, microtubules, and intermediate filaments in their cytoplasm. -
ANS-Which of the following statements about the cytoskeleton is true?
All of the above are true - ANS-T/F: Viral genomes ___.
all the above - ANS-After isolating the rough endoplasmic reticulum from the rest of the
cytoplasm, you purify the RNAs attached to it. Which of the following proteins do you expect the
RNA from the rough endoplasmic reticulum to encode?
alternative splicing. - ANS-The number of distinct protein species found in humans and other
organisms can vastly exceed the number of genes. This is largely due to
an aquaporin - ANS-Which of the following channels would not be expected to generate a
change in voltage by movement of its substrate across the membrane where it is found?
anaerobic, pyruvate, ethanol - ANS-Select the best option to fill in the blanks of the following
statement: Fermentation in yeast is a/an _____________________ process that converts
_____________ into carbon dioxide and _____________________.
Apoptosis is promoted by the release of cytochrome c into the cytosol from mitochondria -
ANS-Which of the following statements about apoptosis is true?
ATPase - ANS-Hydrolyzes ATP
bacteria - ANS-Horizontal gene transfer is mostly found in ?
CA2, cAMP, IP3 - ANS-Which of the following are second messengers?
can confer antibiotic resistance to a bacterium. - ANS-A plasmid ___
causes cells to swell and burst, whereas apoptotic cells shrink and condense. - ANS-Apoptosis
differs from necrosis in that necrosis
changes in membrane potential - ANS-ion channels
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