What is a histone Study guides, Class notes & Summaries

[WARNING: INVALID] 1. What does this experiment tell us? Choose ALL that apply. A. Both B cells and T cells can produce antibodies. B. Both B cells and T cells have memory functions. C. Both B cells and T cells are required for an antibody response. D. B cells are required for an antibody response in the absence of T cells. E. B cells and T cells are co-localized and produce synergetic effects in bone marrow and thymus. correct answersanswer: c type: x 2. In 2090, a human popula...

BIOL 1001 LSU Mitosis and Meiosis Questions and Answers 100% Pass 1. **What is a portion of a DNA molecule wound around a "bead" of histone protein called?** - a. spindle - b. centromere - c. cell cycle - d. nucleosome Answer: D. Nucleosome *Did you know? Histones play a crucial role in regulating gene expression by controlling access to DNA.* 2. **How many chromosomes are found in a eukaryotic cell?** - a. is constant during the life cycle - b. is dependent on the age of t...

Biology 1406 Exam 3 Questions and Answers Rated A+ Cell division is used for which of the following ? Reproduction of single-celled organisms, growth of multicellular organisms, repair and replacement of cells, and sperm and egg production Asexual and sexual reproduction differs in that sexual reproduction_____________ Can produce great variation among the offspring (Meiosis) Asexual Reproduction ____________ Produces offspring genetically identical to the parent (Mitosis) Mos...

What is a histone? A. A protein found in prokaryotic cell nuclei that facilitates transport of DNA from inside the nucleus to the cytoplasm. B. A protein found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes. C. A protein found in eukaryotic cell nuclei that facilitates transport of DNA from inside the nucleus to the cytoplasm. D. A protein found in prokaryotic cell nuclei that package and order the DNA into structural units called nu...

NR 507 MIDTERM EXAM ALL EXAMS COMBINED AND STUDY GUIDE LATEST 5 NEW VERSIONS VERIFIED QUESTIONS AND ANSWERS NRI507IAdvancedIPathophysiologyIMidtermIExam ScoreIforIthisIquiz:I118IoutIofI120 I Question 1 2 / 2 pts TheIlungIisIinnervatedIbyItheIparasympatheticInervousIsystemIviaIwhichInerve? Vagus Phrenic Brachial Pectoral FibersIofItheIparasympatheticIdivisionIofItheIautonomicInervousIsystemI(ANS)Itravel onlyI IinItheIvagusInerveItoItheIlung. Question 2 2 / 2 pts WhatIisItheIa...

ASU BIO 181 Exam 1 Questions and Answers Already Passed A single celled Eukaryotic organism: Has a limited number of biomolecular machines Must find food, shelter, a mate, and reproduce Must escape from predators Actin Filaments are present in: The cell's cortex After a cell is pancake-shaped in a dish, what is the order of events in which a cell walks? Filapodia, lamellipodia, cell muscle, retraction fiber. An important checkpoint regulator is at the Gap 2/M-phase transition....

MB (ASCP) Exam Questions & Answers 2024 Predominant form of DNA - ANSWER-Right-handed B DNA and histone interaction is due to what type of bond? - ANSWER-Ionic What stains to the minor groove of DNA duplex? - ANSWER-SYBR Green What is the most abundant type of RNA? - ANSWER-Ribosomal RNA (rRNA) What does RNA act as in a retrovirus? - ANSWER-Genome and mRNA What increases half-life of mRNA? - ANSWER-5' Methyl Cap What kind of DNA is most likely to be transcriptionally active...

The process of cell division that ensures that each of the two daughter cells receives the same number of chromosomes as the parent cell is known as... Meiosis Replication Mitosis Non-Disjunction Crossing Over - Mitosis The portion of the cell cycle during which the chromosomes are replicated is called... G1 G2 S M Prophase - S __________ uses a genetic cross to determine patterns of inheritance Population Genetics Transmission Genetics Molecular Gene...

IB Biology Paper 1 Questions And Answers Already Passed Prokaryote or Eukaryote in paramecium? Compartments in the cell indicates that it's a eukaryote Property of water which makes it suitable for living? Thermal Watson and Crick discovery about DNA DNA is double helix What occurs in meiosis but not in mitosis? Homologous chromosomes pair up Variation within a population Fertilization and mutation properties of stem cells they can differentiate phospholipid bilayer the...

ASU BIO 181 EXAM 1 QUESTIONS AND ANSWERS ALREADY PASSED A cancer cell will be anchorage-dependent for growth and immortal. FALSE A cell that is anchorage-dependent for growth will also exhibit contact inhibition. TRUE A cell that is itself an organism must have a minimum of four needs presented in lecture. List these four things. Find food, find shelter, find a mate, and reproduce A normal cell is ____________and _________________for growth. Mortal Anchorage-dependant A norma...