Telomeres - Study guides, Class notes & Summaries

In certain areas of Sub-Saharan Africa high levels of anemia are exhibited as a consequence of iron deficiency. What other symptom would you expect might be found in these peoples? A. goiter B. decrease in immune function C. high degree of oscillation in blood glucose levels D. scurvy E. reproductive failure B. decrease in immune function Inflammation and injury of the pancreas can cause elevated levels of serum amylase. Injury or disease of which of the following organs might you...

Classifications of risk factors - ACCURATE ANSWERModifiable/ controllable & Non-modifiable/ non-controllable Major risk factor for major diseases like cardiovascular disease, cancer, diabetes, alzheimers - ACCURATE ANSWERAge (accounts for 90% of deaths in industrialized nations) Telomeres - ACCURATE ANSWERcaps on the end of strands of DNA Risk factors based on sex: - ACCURATE ANSWER-men have higher risk of cancer and coronary heart disease than women -reasons: behavioral reasons...

FINAL HCAD 222Senior population changes/trends -Our generation will live longer but will have lower birth rate -New advances in technology young-old 65-74 Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:05 / 0:15 Full screen old-old 75-84 oldest 85+ Life course vs. Life span Life course is the interaction between historical events, personal decisions, and individual opportunities; experiences early in life affect ...

The SRY gene ~~~is a gene found on the Y chromo that codes for male development X Inactivation ~~~one of two X chromosomes is randomly inactivated and remains coiled as a Barr body If there is 15% adenine in a cell, what is the percentage of cytosine? ~~~35% 5' to 3' and 3' to 5' means that DNA is ~~~antiparallel If the DNA is 5' TACGGCCTACACT 3" what would the mRNA (RNA primer) be? ~~~5' AUGCCGGAUGUGA 3' Telomeres ~~~linear ends of chromosomes I can use a mRNA genetic ...

What enzyme does HIV use to convert RNA to DNA? : Reverse Transcriptase The promoter region of a prokaryotic gene is located ______ to the gene and is the binding site for ______. : 5'...RNA polymerase Which of the following is TRUE of prokaryotes? I. Simultaneous transcription and translation II. Presence of intron sequences III. Circular DNA : I and III only Integral transmembrane proteins are proteins imbedded in the cell membrane. Which of the following amino acids would you...

Cellular Theories related to aging correct answers telomeres, cross-linking, and free radicals Metabolic Theories related to aging correct answers rate of living theories, caloric restriction Genetic programming theory related to aging (aka program cell death) correct answers cells are programmed to die; appears to be the function of physiological processes, the innate ability of cells to self-destruct telomere theory correct answers there is a limit to how often cells may divide before...

bacterial DNA 1-2 circular chromosomes, DNA is much longer than the cell, replicates right before binary fission, found in the cytoplasm Prokaryotic chromosomes circular, one origin of replication, 1000 nucleotides/second, primer removal = DNA polymerase 1, strand elongation = DNA polymerase III eukaryotic chromosomes multiple linear strands, have centromeres and telomeres, need to separate, multiple origins of replication, 100 nucleotides/second; primer removal = RNAse H; elongationpoly...

Pyrimidine - One carbon ring Cytosine, Thymine, Uracil Purine - Two carbon rings Adenine, Guanine How are nucleotides joined together? - Condensation to form phosphodiester bond What is the function of mRNA? - Carries genetic info out of nucleus Transcript translated to protein What is the function of tRNA? - Carries aa to ribosome Anticodon pairs with codon on mRNA strand What is the function of rRNA? - part of ribosome structure most abundant RNA coordinated coupling of tRNA to mRNA...

Exam 2: NSG530/ NSG 530 (Latest 2023/ 2024) - Advanced Pathophysiology Exam Review| Complete Guide with Verified Answers| 100% Correct Q: Oncogenes Answer: genes that cause cancer by blocking the normal controls on cell reproduction Q: Proto-oncogenes Answer: the corresponding normal cellular genes that are responsi- ble for normal cell growth and division Q: Oncogene activation Answer: point mutation in RAS gene converts from regulated to unregulated Q: tumor supp...

Briefly explain how the base pairs A-T and C-G bond to each other and why the interactions they form are important to DNA unwinding. Base pairs form hydrogen bonds to each other. G and C form 3 hydrogen bonds, while A and T form 2 hydrogen bonds. These hydrogen bonds are weak electrostatic interactions that are able to hold the DNA together but are easily broken for the DNA to unwind. Why are telomerase inhibitors an attractive prospect for cancer therapies? >90% of cancer cells expres...