Primase - Study guides, Class notes & Summaries

Helicase - Unwinds DNA in both directions Gyrase - topoisomerase that relieves supercoiling ahead of replication fork Single Stranded Binding proteins do what? - Stabilize single stranded DNA Primase - Enzyme that makes RNA primers DNA polymerase cannot? - Reconstruct the 5' end of a DNA strand this poses problems for linear chromosome integrity Telomeres - Repetitive DNA sequences TTAGGG -no protein coding -binds two types Two types of proteins that binds in telomeres - ...

CBE 205 Final Question and answers 100% correct 2023/2024Central dogma - correct answer -DNA to RNA to Protein -Replication-Transcription-Translation Watson and crick base pairing - correct answer -DNA: Adenine (A) to Thymine (T), Guanine(g) with cytosine (C) -RNA only change is A to U Replication - correct answer -Copying DNA -DNA polymerase catalyse the addition of DNA (deoxynucleotides) DNA -Primer is need to start new strand Direction of DNA synthesis - correct answer - 5' to...

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...

Draw the sugar in DNA and label the carbons as discussed in the lecture. Then circle the carbon that is different in RNA. - CORRECT ANSWER-... Which enzyme unwraps the double helix? - CORRECT ANSWER-Helicase Which enzyme is used first to permit DNA polymerase III to begin replicating the 3' strand? - CORRECT ANSWER-Primase The double helix of DNA is wrapped around 1 3/4 times around which of these components? - CORRECT ANSWER-Nucleosome In the lagging strand, the DNA is read from the par...

90% of absorption in the intestine occurs where? - In the Ileum and Jejunum Adhering junctions are based on two different types of cytoskeleton filament systems. Name those systems. - Actin Filament based, Intermediate filament based Assume that you have a eukaryotic cell with three chromosomes within it. How many 5' ends would there be? - Gap 1: 6, Gap 2: 12 Does gravity have a role in some part of the lymphatic fluid flow back to the circulatory system? - Yes Draw concentric circles an...

karyotyping - number and type of chromosome present Barr body - -condensed inactive X chromosome near nucleus of cell -all females have 1 Barr body nondisjunction - failure of chromosomes to separate during meiosis autosomal nondisjunction - -failure of chromosomes (other than sex chromosomes) to separate during meiosis -exs: trisomy 21, trisomy 18 translocation - portion of one chromosome is transferred to another (usually nonhomologous) abnormal egg (XX) x normal sperm (X) - -...

Microbiology Chapter 11 Exam Questions with 100% Correct Answers | Verified | Updated D. is read by ribosomes during the process of translation - answerDNA does all but which of the following? A. serves as the genetic material passed from parent to offspring B. remains constant despite changes in environmental conditions C. provides the instructions for the synthesis of messenger RNA D. is read by ribosomes during the process of translation B. DNA to RNA to protein - answerAccording to ...

DNA replication is a. conservative b. semiconservative c. bidirectional d. liberal e. proliferative - ️️B DNA polymerase can synthesise DNA a. de novo by catalysing the polymerisation of free dNTPs b. by adding dNTPs to complementary dNTPs on a single stranded DNA c. by adding dNTPs to a hydroxyl group on the end of a growing polynucleotide chain hydrogen bonded to a strands of RNA d. by adding dNTPs to a hydroxyl group on the end of a growing polynucleotide chain hydrogen bonded...

(MB) ASCP Practice Exam Questions and Answers Solved Correctly Which of the following is not a component of a nucleotide? Phosphate group Anti-codon Ribose sugar Nitrogen base - Answer ️️ -Anti-codon According to Chargaff's rule of base pairing, adenine pairs with: - Answer ️️ -Thymine What genes would be screened in a breast cancer panel? - Answer ️️ -HER2, ERBB2, BRCA1 Next Generation Sequencing uses: - Answer ️️ -Short sequence reads Purines and pyrimidines differ f...

USABO Open Exam 2024 with Verified Answers Graded A. 1. What best describes a nucleosome? A. Region in bacterial cells where DNA is located. B. DNA wrapped around 8 histone cores. C. RNA with protein bound. D. A region in the nucleus where ribosomes are assembled. E. The space between the layers of the nuclear membrane. 2. You observe fly cells that are undergoing meiosis and treat them with a drug that inhibits the separation of parental homologs. At which stage of meiosis do cells trea...