Telomeres Study guides, Class notes & Summaries

HCAD 222 Maximum life span - correct answers 120 years Wear and Tear Theory - correct answers Body is constantly wearing out and being repaired, soon this stops. Accumulated Waste Theory - correct answers Build up of cellular waste products Aging Clock Theory - correct answers Clock is ticking away on our life Cross Linkage Theory - correct answers Connective tissue loses elasticity Free radicals - correct answers Unstable organic molecules damaging cells Cellular Theory - cor...

Growth factors stimulate what? (A) cyclin production. (B) the cell to skip the S and G1 phases of interphase and undergo mitosis directly. (C) Cdk's to synthesize enzymes that digest cyclins. (D) the cell to ignore the checkpoints of the cell cycle. (E) NONE OF THE ABOVE - (A) cyclin production What is a major difference between mitosis and meiosis? (A) Meiosis produces two daughter cells instead of the four daughter cells produced in mitosis. (B) Meiosis produces genetically ide...

Bio 315- Exam 1 Questions and Answers 100% Correct From the list below, select the one cellular structure or compartment that is not found in animal cells: A. Plasmodesmata B. Golgi apparatus C. Endoplasmic Reticulum D. Plasma membrane - Correct Answer ️️ -A The most reliable feature distinguishing a eukaryotic cell from prokaryotic cell is the: A. Presence of plasma membrane B. Presence of a nucleus C. Eukaryotic cells larger size D. Presence of DNA - Correct Answer ️️ -B No...

In most cultures, older adults are likely to treat themselves using traditional methods before turning to biomedical professionals..... True or false - answer-true What should a nurse do when working with an interpreter? - answer-the nurse should face the patients rather than the interpreter. When caring for an older african-american patient the nurse should... - answer-do an examination of the interior of the patient's mouth with adequate light When a nurse is addressing an older adul...

Cell division requires what 3 things? - Answer-1. Replication of genetic material 2. Accurate segregation of genetic material 3. Divison of the cytoplasm between two cells Main difference between prokaryotes + eukaryotes? - Answer-Size and presence of membrane bound nucleus - prokaryotes are smaller, no nucleus / membrane bound organelles What is the term used to describe about 150 nucleotides of DNA wrapped around a core of histone proteins? - Answer-nucleosome Meiotic cell division play...

A plant that has purple flowers is crossed with one that has white flowers. The offspring were half white and half purple. What were the genotypes of the parents? A. Pp x pp B. Pp x Pp C. PP x pp D. PP x WW correct answers A. Pp x pp Incomplete dominance is associated with what genotypic ratio in the F2 generation for a monohybrid cross? A. 3:1 B. 1:2:1 C. 9:3:3:1 D. 1:1 E. 1:3 correct answers B. 1:2:1 Gel electrophoresis separates DNA strands on the basis of A. amount of nucl...

HCAD 222 Exam 1What is Continuity Theory? - correct answers relates to leisure time and disposable income activities stay stable through life course What happens to disposable income as we age? - correct answers Increases, 40% of disposable income is ages 50+ How does life satisfaction affect aging? - correct answers Central to creating meaning What is aging? - correct answers process of gradual change over life span scenescnse - correct answers aging at the cellular level, process ...

Which eukaryotic DNA polymerase replicates the lagging strand in the 3ʹ to 5ʹ direction? a. α b. γ c. δ d. None of the above; the lagging strand is replicated in the 5ʹ to 3ʹ direction. correct answers d. None of the above; the lagging strand is replicated in the 5ʹ to 3ʹ direction. DNA polymerases can synthesize DNA: a. de novo, by catalyzing the polymerization of free dNTPs. b. by adding dNTPs to complementary dNTPs on a single-stranded DNA. c. by adding dNTPs to a hyd...

HCAD 222 Exam 1What is Continuity Theory? - correct answers relates to leisure time and disposable income activities stay stable through life course What happens to disposable income as we age? - correct answers Increases, 40% of disposable income is ages 50+ How does life satisfaction affect aging? - correct answers Central to creating meaning What is aging? - correct answers process of gradual change over life span scenescnse - correct answers aging at the cellular level, process ...

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...