Genes are composed of - Study guides, Class notes & Summaries

Bio 114 Exam 4 (UA) Questions and Answers Already Passed What is referred to as the "switch" in a DNA segment? The "switch" is known as the operator, a DNA segment typically located within the promoter region. What role does a repressor play in gene regulation? A repressor is a protein that attaches to an operator and obstructs RNA polymerase from attaching to the promoter. What is a corepressor? A corepressor is a molecule that works in conjunction with a repressor protein ...

HESI A2 Anatomy and Physiology. 1. Anatomic position 2. Which of the following is a structure found in the upper respiratory? 3. A person who has damage to their ulnar nerve will have decreases sensation in 4. Which bone dose not articulate with any other bone? 5. Which of the following statements best describe endocrine glands? 6. Diet is important because bone are storage places for 7. Which organ is part of both the male reproductive system and the urinary system? 8. Red blood cell production...

What is DNA? Correct Answer-A linear, double-stranded structure composed of multiple units of four different nitrogenous bases, each attached to a sugar molecule Bases are nucleoprotiens created from proteins we eat. They can be single ring structures (pyrimidines) or double-ring structures (purines). What are the pyrimidines and what are purines? Correct Answer-Adenine and Guanine are purines. Thymine and cytosine are pyrimidines What is the purpose of a gene? Correct Answer-To code for t...

Stahl's Essential Psychopharmacology Comprehensive Exam (2024) || Questions & Answers (100% Verified) Stahl's Essential Psychopharmacology Comprehensive Exam (2024) || Questions & Answers (100% Verified) MEK does what? - ANSWER - Activates ERK (extracellular signal-regulated kinase), RSK (ribosomal S kinase), MAPK (MAP kinase) or GSK-3 (glycogen synthase kinase) leading ultimately to changes in gene expression G protein signal transduction - what is secondary messenger? - ANSWER - cAMP ...

Based on the nomenclature for bacterial genes and proteins, which of these seems like a name for bacterial enzyme malate dehydrogenase? a.) Mdh b.) mdh c.) mdh (italicized) d.) Mdh (italicized) - correct answer a.) Mdh The first person to visualize individual microbes was a.) Antonie van leeuwenhoek b.) Louis Pasteur c.) Robert Koch d.) Robert Hooke - correct answer a.) Antonie van leeuwenhoek What is the correct order of reagents in the Gram stain? a.) Crystal violet, iodin...

For prokaryotic cells, which statement is correct concerning how the structure of a particular cell component correlates with its function? - The cell wall is a tough, fibrous layer that protects the cell and gives it shape and rigidity. In lateral gene transfer, genes are ______. - moved from one species to another Which character separates bacteria from archaea? - bacteria have peptidoglycan in their cell wall. What does it mean to say that prokaryotic organisms have "compact" genomes, ...

TEST BANK FOR DEVELOPMENT ACROSS THE LIFE SPAN 9TH EDITION FELDMAN COMPLETE FULL CHAPTERS () What are male reproductive cells called? a) sperm b) ovum c) gametes d) zygotes Answer: A Learning Objective: 2.1 Describe how genes and chromosomes provide our basic genetic endowment. Topic: Genes and Chromosomes: The Code of Life Skill Level: Remember the Facts Difficulty Level: Easy APA LO: 1.1 Describe key concepts, principles, and overarching themes in psychology. 2.2. What is a female ...

Ball State University Biology 102 Exam 1; Questions and Answers 100% Correct What is biology? Correct answer-Biology is the scientific study of life. All living organisms are composed of Correct answer-cells All cells use ___________ as the chemical material of _____________, the units of heredity. Correct answer-DNA Genes All cells require _______________ and a source of building materials _______________ for growth, maintenance and repair. Correct answer-Energy Matter

Biology 1001 LSU Hrincevich Exam 3 Questions and Answers Already Passed **1. Growth factors primarily stimulate:** - (A) The production of cyclins. - (B) The cell to skip the S and G1 phases of interphase and undergo mitosis directly. - (C) Cdk's to synthesize enzymes that digest cyclins. - (D) The cell to ignore the checkpoints of the cell cycle. - (E) None of the above. **2. A key distinction between mitosis and meiosis is:** - (A) Meiosis produces two daughter cells, while mito...

Humans produce sweat as a cooling mechanism to maintain a stable internal temperature. Which of the following best explains how the properties of water contribute to this physiological process? - ANSWER The high heat of vaporization of water allows the body to remove excess heat through a phase change of water from liquid to gas A student placed a semipermeable membrane inside a U-shaped channel with two chambers, as shown. The membrane permits the movement of water but not salt. The...