Dna compaction - Study guides, Class notes & Summaries

Gametes are formed within the gonads (testis and ovaries) and the tissue that directly creates the gametes is generically called: germ line Name two tissue types/organs formed by the endoderm digestive tube, respiratory tube Name two tissue types/organs formed by the ectoderm skin cells, CNS Name two tissue types/organs formed by the mesoderm Red blood cells, organs Exogenous agents that cause disruptions during development resulting in the formation of congenital defects teratogens Th...

Which of the following is consistent with the Central Dogma of Molecular Biology? - answer-DNA -> RNA -> protein All of the following terms could be used to classify the chemical properties of some of the 20 different amino acids EXCEPT: - answer-Purine Match the descriptions of bonds with the the single best answer. Note: not all bond names will be used, and some may be used more than once. - answer-Connects the nucleobase to the ribose sugar - N Glycosidic Bond Supports DNA secon...

MBG 1000 Practice Exam 37 Questions with Verified Answers Somatic human cells contain: a) 2 pairs of sex chromosomes b) 46 pairs of chromosomes c) 46 chromosomes d) 46 autosomes e) none - CORRECT ANSWER C Which of the following in incorrect: a) a given human somatic cell only has 2 alleles for a given gene b) different alleles of a specific gene often arise through mutation of one of the gene copies c) the alleles of a gene are found at different loci on the 2 copies of the same au...

Overall organizational structure of the human chromosome correct answers normally contain a single, immensely long DNA double helix; to avoid tangling and to manage the long chain efficiently they are complexed with various proteins and sometimes noncoding RNAs to form chromatin that undergoes different levels of coiling and compaction Chromatin correct answers the structure of DNA complexes with proteins that are coiled and compacted - the double helix is wound around positively charged his...

What are the necessary requirements for high levels of transcription for the lac operon? High Lactose, low glucose, low cAMP Low Lactose, high glucose, high cAMP High Lactose, low glucose, high cAMP High Lactose, high glucose, low cAMP - Answer- High Lactose, low glucose, high cAMP Which of the following statements is/are correct regarding the 10 promoter from bacteriophage T7? When IPTG is added, it inhibits the lac repressor In the absence of IPTG, the lac repressor repres...

BTEC 3302 Exam 3 Questions and Answers Already Passed What are the necessary requirements for high levels of transcription for the lac operon? High Lactose, low glucose, low cAMP Low Lactose, high glucose, high cAMP High Lactose, low glucose, high cAMP High Lactose, high glucose, low cAMP - Answers High Lactose, low glucose, high cAMP Which of the following statements is/are correct regarding the 10 promoter from bacteriophage T7? When IPTG is added, it inhibits the lac repress...

PEBC EVALUATION ALL IN ONE QUESTIONS WITH ANSWERS 1. Which is not a fiber? Options were Starch, pectin lignin etc 2. Capsule lock name was given. Why is this technology employed? Ans is To prevent dose tampering 3. Smoking inhibits what? Ans is polycyclic aromatic hydrocarbons 4. Statin and Erythromycin interaction cause? Ans is Increased level of statins 5. Which of the following is an example of public funded and privately delivered? Options were several cases 6. Which of this is not a ...

Genetics Exam 3 Practice Test 50 Questions with Verified Answers Gene conversion results from A. Discontinuous replication B. Photoreactivation C. Mismatch repair D. Gap Repair E. C and D - CORRECT ANSWER E. C and D The picture below is two Holliday junctions in a pair of DNA molecules undergoing recombination Breakage and rejoining of the strands indicated by the arrows () and () results in crossover. A. 1 and 2 B. 2 and 3 C. 3 and 4 - CORRECT ANSWER B. 2 and 3 In eukaryoti...

GCD Exam 2 Practice Test Comp 86 Questions (chp 9-13) with Verified Answers Which of the following could be the components of a single nucleotide found in DNA? a. Ribose, phosphate, and cytosine b. Deoxyribose, phosphate, and uracil c. Deoxyribose, phosphate, and adenine d. Ribose, phosphate, and uracil - CORRECT ANSWER c. Deoxyribose, phosphate, and adenine 2. Which of the following is NOT a feature of the DNA double helix? a. It obeys the AG/TC rule. b. There are 10 nucleotides...

Concepts of Genetics Unit 4 Review Questions and Correct Answers Latest Update 2024 Briefly describe 3 ways that ATP-dependent chromatin remodeling complexes may change chromatin structure. - Answers ATP-dependent chromatin remodeling may effect position of nucleosomes, evict histones, and may replace histones with histone variants. Histone Variant - Answers histone genes that have accumulate mutations that change the amino acid sequence DNA Methylation - Answers The addition of methyl groups...