Mcb exam 2 - Study guides, Class notes & Summaries

MCB 100 Exam 2

MCB Exam 2 rats UPDATED Actual Questions and CORRECT Answers Extensive digestion of chromatin with micrococcal nuclease was found to yield particles called nucleosome core particles that appear as beads when viewed by electron microscopy. Which of the following is not found in the nucleosome core particle? a. Two molecules of H2A protein b. Two molecules of H3 protein c. Two molecules of H4 protein d. One molecule of H1 protein - CORRECT ANSWER- d. One molecule of H1 protein

How do DNA mutations occur? (3) - Answer-a mutation is any random change in the chemical structure of DNA 1) as a consequence of exposure to chemicals or UV light 2) at random bc of the chemical structure of the DNA 3) as a consequence of the activity of some cellular enzymes that induce the loss of specific chemical groups whats a silent mutaation? (aka neutral mutation) - Answer-changes in the nucleotide sequence of genomic DNA that have no effect on the type of genetic info encoded i...

MCB Exam 2

MCB Exam 2 Practice Questions & Answers 2023/2024 DNA is more suitable than RNA to serve as genetic material. One reason is: - ANSWER-DNA is a much more stable molecule due to the lack of 2'-OH group on the sugar component common form of DNA double helix has phosphodiester bonds that--- - ANSWER-between nucleotide residues run in opposite directions in the two strands B-form DNA - ANSWER-most stable form under physiological conditions, wide and deep major groove, with base-pairs near...

MCB Exam 2

MCB Exam 2 Rats Questions With Correct Answers Extensive digestion of chromatin with micrococcal nuclease was found to yield particles called nucleosome core particles that appear as beads when viewed by electron microscopy. Which of the following is not found in the nucleosome core particle? a. Two molecules of H2A protein b. Two molecules of H3 protein c. Two molecules of H4 protein d. One molecule of H1 protein - answerd. One molecule of H1 protein The transfer of information from pa...

MCB Exam 2

MCB Exam 2 - RATs (5-9) UPDATED Actual Questions and CORRECT Answers in euk cells the factors that are involved in the most mRNAs are known as - CORRECT ANSWER- general transcription factors the first phosphorylation event affecting the CTD of the large subunit of ___ is mediated by a kinase activity assoc. to ___ - CORRECT ANSWER- RNA pol II; TFIIH in euk cells the RNA pol that transcribes messenger RNA is ___ - CORRECT ANSWER- RNA pol II

MCB Exam 2 Questions & Answers 2023/2024 Understand the Six stages of the life cycle of animal viruses - ANSWER- Hepatitis B virus characteristics, KNOW THE TYPE OF VIRUS IT IS AND THE FAMILY IT BELONGS TO - ANSWER- Viruses belonging to Domain Archaea - ANSWER- Virus capsid structure - ANSWER- Naked v/s enveloped viruses characteristics and examples - ANSWER- DNA Viruses and RNA viruses characteristics and examples - ANSWER- Role of biofilms in infectious disease - ANSWER-...