What is a histone - Study guides, Class notes & Summaries

Predominant form of DNA - Right-handed B DNA and histone interaction is due to what type of bond? - Ionic What stains to the minor groove of DNA duplex? - SYBR Green What is the most abundant type of RNA? - Ribosomal RNA (rRNA) What does RNA act as in a retrovirus? - Genome and mRNA What increases half-life of mRNA? - 5' Methyl Cap What kind of DNA is most likely to be transcriptionally active? - Euchromatin What is the most common type of eukaryotic DNA? - Satellite DNA What specimen h...

what is the central dogma or molecular genetics? correct answers every cell has the same genomic DNA -> transciption (DNA-mRNA) -> translation (RNA-proteins) -> offspring List exceptions to central dogma correct answers 1. RNA/retroviruses 2. noncoding DNA 3. Prions (proteins that change other proteins) 4. Epigenetic -> structure of chromosome can be passed on, DNA sequence does not change 5. RBC's -> no genomic DNA bc no nucleus What nucleotides make up DNA? correc...

Test Bank Principles of Anatomy and Physiology, 12th Edition, by Bryan Derrickson, Gerald Tortora Testbank Chapter 1. An Introduction to the Human Body Multiple Choice 1. This is the study of the functions of body structures. a. Anatomy b. Physiology c. Dissection d. Histology e. Immunology Ans: B Difficulty: easy Feedback: 1.1 2. This is defined as a group of cells with similar structure and function. a. Tissue b. Organ c. Molecules d. Compounds e. Organism Ans: A Difficulty: easy Feedback: 1.2...

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...

Predominant form of DNA - Right-handed B DNA and histone interaction is due to what type of bond? - Ionic What stains to the minor groove of DNA duplex? - SYBR Green What is the most abundant type of RNA? - Ribosomal RNA (rRNA) What does RNA act as in a retrovirus? - Genome and mRNA What increases half-life of mRNA? - 5' Methyl Cap What kind of DNA is most likely to be transcriptionally active? - Euchromatin What is the most common type of eukaryotic DNA? - Satellite DNA What specimen h...

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....

Predominant form of DNA - Right-handed B DNA and histone interaction is due to what type of bond? - Ionic What stains to the minor groove of DNA duplex? - SYBR Green What is the most abundant type of RNA? - Ribosomal RNA (rRNA) What does RNA act as in a retrovirus? - Genome and mRNA What increases half-life of mRNA? - 5' Methyl Cap What kind of DNA is most likely to be transcriptionally active? - Euchromatin What is the most common type of eukaryotic DNA? - Satellite DNA What specimen h...

Apoptosis - Answer- A programmed cell death that is regulated or programmed. Cellular self-destruction for elimination or unwanted cell populations Necrosis - Answer- Rapid loss of the plasma membrane structure, organelle swelling, mitochondria dysfunction What is the #1 cause of cellular injury leading to necrosis (especially the kidney and heart) - Answer- hypoxia What is the #1 cause of hypoxia? - Answer- ischemia Main component of a cell - Answer- nucleus What does the nucleus...

MCB4304 Exam Questions & Answers 2024/2025 Why does the estimated number of protein coding genes in prokaryotes correlate well with genome size? - ANSWERSBecause most genes are coding regions and prokaryotic DNA do not have introns Why does the estimated number of protein coding genes in eukaryotes correlate poorly with genome size? What is the estimated number of genes in humans? - ANSWERSBecause Euks have introns and some of our genes are regulatory sequences and non-coding DNA. many g...

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...